التوصيـة ITU-R BT!PDF-A.pdf · ntsc (sap btsc mts ) ntsc 1.3 14 ... (dbd ) c 58 49 ........
Transcript of التوصيـة ITU-R BT!PDF-A.pdf · ntsc (sap btsc mts ) ntsc 1.3 14 ... (dbd ) c 58 49 ........
ITU-R BT.1368-5 1
ITU-R BT.1368-5
! "(VHF) #$ (UHF)*
) ITU-R 4/6( (2005-2004-2002-2000-1998-1998)
( ! " #$ % &'* +,# -./ 0 12'3 40 ,5 67 89 :; <( +/=, -./ 0 >/?@ -./ ! " #$ ; A( ;/B CD E. 1,2 67 FGH2 +/=, -./ 0 ( -./ 0 10 F/I I2 'J >/I KL M N$O P Q G2C I,R
&'* +,#
1 ,S T 1,2(PR) KU % E' / V ' EW X# 1 2 3 L7J / KU % E'4 5 6 7 Y2Z &'* +,# -./ 0 [" Q N$O.
KU 4 ]^_ Q,`: Kb/1 c ! " d$ % / &'* +,# -./ ,5 N$e P Kb/2 c ,5 N$e PDBV-T$ % &'* +,# -.// ! " # Kb/3 c ,5 N$e PISDB-T! #$C % &'* +,# -.// Kb/4 c f0g N$O [I Kb/5 c ^ 'G GB(SCM) ,5 [" Q ,S T XG +" [0 TH 6 +/=, -./ Kb/6 c &'* ,# /$ 'Wh ,S T YG 'H0 KiB Kb/7 c , [0 8P.2 [0
* !"# $"%& $"%'( )*# +$, $"%- !"., /0
1% 234.
ITU-R BT.1368-5 2
,S H RF jH M /$ Pk E'WJ l /$ E'WJ HC ,G +_ [0 CI [H >CI[mHG.
. ,G _'HI ,# E'Wh " nr.m.s.ECG/ o d$C Q,7 /2 E'WJ E'G .8'S E'G YG $2 YG [`Lg Q ! # . ,# 'Wh ,S T X# 6 Y# T9
E'G /$dBm 60– [0 CI [mHG. " n . ,G _'HI p [!@ /=, E'Whr.m.s. E'V CI p/ /S ",/
[!@ nk . E'G /$ /=, 'Wh ,S T 6 YGdBm 39– 70 dB(µV)) CI (Ω 75 CI [0[mHG.
1
E, 0 P.2 0 Q [Z [I &'* +,# -./ ,5g ,S T KH$C . P@</$ &'* +,# -./ q5C 8-Z l ,S T.
[HG g r5 E's CG F/I I /=t 'W " l uvC [, +! Aw +,# -./ [0 CI $x Q I "' g +`G2[mHG.
M S F/I [0/ TH q5 _'HI &'* +,# -./ ,5 F/I GH$ ,S T K/ ! C- /$ Pk /$ 'WJ >L/z@ ' | . G/ iC ~4 X
EU !H@(SFN). &'* +,# -./ q5C g K/ CIATSC H % $x HC ,S T YG 6–
10 × 3 = BER I 12'J [- [0 CMPEG-2.
&'* +,# -./ ,5g HC) &'* . ,# IVJ(DVB-T) /! &'* ,# IVJ x(ISDB-T) (' P.@ L [H# "'x .@ /0 .@ ,S T YG cHC 2
4–10 × 2 = BER HC ,G ]^_ K$ ;11–
10 × 1 > BER 12'J [- [0 CI MPEG-2 . Q ! # U % Q!,mHG HC Y# / BER' P.@ L [H# c2 . HC X#BER # S ]^_ %
2'. Q uG 1 2G I [/G ? -./ ,5g ,S T 2# f [`Lg DVB-T 1 % CH = T2g 1,21 . /$ [?@ T2 ~/O ,S T X# <U Q!
CH 2G XG Q [GC 1, = 1HG2 . M ? 1- 2' # S ]^_ % |,2.
ITU-R BT.1368-5 3
11 DVB-T
!" #$%&
(1)C/N
(dB)
'( #$%&(2) (Mbit/s)
QPSK 2/3 6.9 ≈ 7
16-QAM 2/3 13,1 ≈ 13
64-QAM 2/3 18,7 ≈ 20
(1)
6 7"8 234 . *%9 07 );<= >=? @4 AB C D ( <&011–10 × 1 > BER. (2) 2"7 F" 11/4.
2
8H" [0 TH ^ 'G GB 1,2 [`Lg Q) Kb/ 55 ( E'W F/I GH$ ,S T YGq5 p'</$ &'* +/=t -./ .
U ' QI C [0 F/I > '@ ,S T KH$C . F/I TC KH$C V n0 Z^ V 8P.2 [0TAIDJ ~B $ U U l V K$ . [0 U V NGL HG +_
L C= r,I >C! # EP# CD E%1 l %10 . EPL /$ 'Wh HC H0 , [0/ ,i T ,S Q I "' PL 8'` QC) Kb/ 57.(
Q! +/=t -./ E'W +_ /$ E'WJ ! CI HC EU ,S H X# Q Z ,# % 5C E'WJ TC f0g p E'W .4 Zg ,G 1,2 T9 ^iCI.
[HG % $x Pk '= TH F/I T V G /$ [0 'W T/$ #. V ,5* HC625$ 2 ! r$0 Q ECG V % ,S TC G$ / +_ "
dB 30 dB 40 4 5 /= Q ~e 1,2 U % ITU-T BT.655 . $ Q <G n5 ]^_ "'3) AIDJ ~.B( "' 4) C! :Z' Q!AIDh P Pk : ( 8P.2 [0 F/I KH$CT
, [0 F/IC F/I .
ITU-R BT.1368-5 4
Kb/1 c ,5 N$e PATSC! " d$ % +,# -.// ............... 10
1 /$ 'Wh ,S TATSC-.// &'* +,# ................................... 10 1.1 E'W ATSCN,C V Q E'W 6 /0 &'* +,#' -./ ................ 10 2.1 q5 ATSC&'* +/=t -./ 6 [0 &'* +,#' -./ ................. 11 1.2.1 ECG V % [0 Q ,S ............................................... 11
2.2.1 s ECG 0 Q ,S E'(1 – N ) ................................ 12
3.2.1 E's ECG 0 Q ,S(1 + N ) ............................... 12
4.2.1 f0g CG [0 Q ,S .............................................. 12
2 'W 6 /0 /$ &'* +/=, -./ 'WJ ,S TATSC +,# -.// /$ Pk &'* .............................................................................. 12
1.2 V -./ ,5g ,S H525 r$0 .............................................. 12 1.1.2 +,# -./ 6 /0 p 'W ATSC ........................ 12
2.2 V -./ ,5g ,S H625r$0 .............................................. 13 1.2.2 &'* +,# -./ 6 /0 /$ p 'W ATSC ......... 13 1.1.2.2 V ECG % [0 Q ,S ................................................ 13
2.1.2.2 E's ECG % [0 Q ,S ....................................... 14
3.1.2.2 / E's ECG % [0 Q ,S ........................................ 14
3 /0 /$ &'* +/=, -./ 'WJ 'Wh ,S T 'W 6 ATSC/$ Pk &'* +,# -.// ...................................................... 14
1.3 'WJ NTSC) q5BTSC MTS SAP ( 'W 6 /0NTSC +,# -.// ......................................................................... 14
4 ,5g 1s EWATSC&'* +,# -.// ........................................... 15
[^1 Kb/,/1 c I G$ <SE' [ ...................................................... 16
Kb/2 c ,5 N$e PDVB-T&'* +,# -.// ! " d$ %...... 17
1 /$ 'Wh ,S TDVB-T&'* +,# -.// ................................. 17 1.1 E'W DVB-TN,C V Q E'W 6 /0 &'* +,#' -./ .............. 18 2.1 q5 DVB-T&'* +/=t -./ q5 6 [0 &'* +,#' -./ .......... 19 1.2.1 ECG . % [0 Q ,S............................................... 19
2.2.1 E's ECG Q [0 Q ,S(1 – N ) .............................. 20
3.2.1 / E's ECG Q [0 Q ,S(1 + N ) .............................. 20
4.2.1 HZ CG % [0 Q ,S.......................................... 21
ITU-R BT.1368-5 5
3.1 E'W DVB-T E, /U " 6 /0 &'* +,#' -./ (CW) " [!@ /UFM ................................................................ 22
4.1 'W DVB-T 'W Q &'* +,# -.// T-DAB ...................... 23 5.1 'W DVB-T7'g IVJ n0 IVJ % d$C `I E'WJ Q ......... 23 1.5.1 ,S TDVB-T = 0 6 [0 Q ):/G Q! q5 (............... 23
2.5.1 E'WJ ,S TDVB-T 8.W XG V. q5 6 /0 (CDMA). 24
2 Wh ,S T /$ Pk 'W 6 /0 &'* +/=, -.// /$ 'DVB-T &'* +,# -.// ......................................................................... 24
1.2 V -./ ,5g ,S T625r$0 .............................................. 24 1.1.2 E'W 6 /0 p 'W DVB-T &'* +,#' -./ .......... 24
1.1.1.2 Q ,SECG . % [0 ............................................... 25
2.1.1.2 E's ECG % [0 Q ,S ....................................... 25
3.1.1.2 / E's ECG % [0 Q ,S ........................................ 26
4.1.1.2 E' EC# [0 Q ,S .................................................. 26
5.1.1.2 HZ 0 Q ,S ................................................... 27
3 'Wh ,S T 'W 6 /0 &'* +/=, -./ 'WJ DVB-T &'* +,# -.// ......................................................................... 28
1.3 'WJ FM AM NICAM 'W 6 /0 +/=, -./ ,5g DVB-T&'* +,# -.// ........................................................ 29
4 ,S T(dB) E'WJ T-DAB /0 &'* +,#' -./ /$ E'W 6 ............... 30
5 ,5 % 1v,/ EW DVB-T= 1HG2 &'* +,# -.// ........................ 31
6 1HG2 N2 1v,/ EW DVB-T[GC ............................................... 32 1.6 [GC 1HG2 /$ 7` l /S " H X# ............................... 32 2.6 7 [I[mHG 7 .................................................................... 34
[^1 Kb/,/2 c L! $2 1s EW 1v,/ EW <U.............................. 34
Kb/3 c q5 N$e PISDB-T ! " d$ % +,# -.// .............. 36
1 /$ 'Wh ,S TISDB-T&'* +,# -.// ................................. 36 1.1 E'W ISDB-T E'W 6 /0 &'* +,#' -./ ISDB-T+,#' -./ ..... 36 2.1 E'W ISDB-T&'* +/=t -./ E'W 6 /0 &'* +,#' -./ ....... 37 1.2.1 ECG . % [0 Q ,S............................................... 37
2.2.1 s ECG [0 Q ,S E'(1 – N ) .................................. 38
3.2.1 /I E's EC# [0 Q ,S(1 + N ) ..................................... 38
ITU-R BT.1368-5 6
2 -.// /$ Pk 'WJ 6 /0 &'* +/=, -.// /$ 'Wh ,S T&'* +,# ................................................................................... 39
1.2 V -./ ,5g ,S T525r$0 ............................................. 39 1.1.2 p 'W NTSC 'W 6 /0 ISDB-T +,# -.// ...... 39
3 q5 6 /0 &'* +/=, -.// /$ ,5* 'WJ TISDB-T </$ Pk &'* +,# -.// ............................................................. 39
1.3 E'WJ NTSC E'W 6 /0 ISDB-T+,#' -./ ................... 39 4 ,5 % 1v,/ EW ISDB-T&'* +,# -.// ...................................... 40
[^1 Kb/,/3 c E' [I G$ dGW ..................................................... 41
Kb/4 c f0g N$O [I ..................................................................... 43
1 6# T 1s EW 6D .................................................................... 43 2 2 1HG2 HZ H [0 , -> 1, ........................................ 44
1.2 .' QI C E'x :Lh .......................................................... 44 2.2 H 10 QI C E'x :Lb ....................................................... 44 3.2 HZ 10 QI C E'x :Lv ...................................................... 45
3 1HG2 +i_ % -, ....................................................................... 45 4 /GC , mHG,/ i_ ............................................................. 45
1.4 1, 1HG2 [" Q i| ....................................................... 45 2.4 [,b 1HG2 i_ .............................................................. 45 3.4 [GC 1HG2 [" Q i| ........................................................ 46 Kb/5 c ^ 'G GB(SCM) ,5 [" Q ,S T XG +" [0 TH 6
+/=, -./................................................................................ 47
1 G ........................................................................................... 47 2 ^ 'G GB(SCM) H " 6" 1,2 ,S T XG ...................... 47
1.2 qI ~4 ............................................................................... 47 2.2 +" [0 TH KG ............................................................ 48 3.2 'H0 n .......................................................................... 49 4.2 iC G ............................................................................. 49
3 | ,/ 1" ............................................................................ 49 Kb/6 c YG 'H0 KiB&'* ,# /$ 'Wh ,S H ............................ 50
1 22 / ................................................................................ 50 2 ^ T$ $G GB(SFP) ,S T 2# "J ..................................... 50
Kb/7 c , [0 8P.2 [0 ....................................................... 50
ITU-R BT.1368-5 7
11 c T YG /`. T2g -./ ,5 DVB-T .......................... 3
12 c ,S T(dB) E'WJ ECG V % ATSC N,C . Q E'W 6 /0.......... 10
13 c ,S T(dB) q5C ATSC E'W 6 [0 ATSC E'R C# % (1 – N ) % /I E'R C#(1 + N ) ............................................................... 11
14 c ,S T(dB) E'WJ ATSC E'W 6 /0 ATSC ECG % 2 ± N f0 C# 6 d$C A'0............................................................................ 11
15 c ,S T(dB) E'WJ ECG V % ATSC/0 +/=t -./ E'W 6........... 11
16 c ,S T(dB) E's ECG Q [0/ (1 – N ) E'W U % ATSC 6 /0 E'WJ V % +/=t -./ E'W............................................ 12
17 c ,S T(dB) / E's ECG Q [0/ (1 + N ) U % E'WATSC 6 /0 +/=t -./ E'W...................................................................... 12
18 c ,S T(dB) E'WJ ATSC Q MHz 6 E'W 6 /0 M/NTSC f0 C# F/I d$C A'0............................................................................ 12
19 c ,S T(dB) /$ /=t p' E'WJ )NTSC Q MHz 6( E'W 6 /0ATSC /$ Pk............................................................................... 13
110 c ,S T(dB) E'W 6 /0 /$ /=t p' E'WJ ATSCk Q /$ PMHz 6 .................................................................................. 13
111 c ,S T(dB) E'W 6 /0 /$ /=t p' E'WJ ATSC Q MHz 6) ECG E's (............................................................................ 14
112 c ,S T(dB) E'W 6 /0 /$ /=t p' E'WJ ATSC Q MHz 6) ECG/ E's (............................................................................ 14
113 c q5 E' [I G$ <SATSC Q MHz 6 ..................................... 15
114 c ECG . % ,S T(dB) E'WJ DVB-T N,C . Q E'W 6 /0 ......... 18
115 c ,S T(dB) E'WJ DVB-T E'W 6 /0 DVB-T E'R EC# % (1 – N ) EC# /I E'R(1 + N ) ................................................................ 18
116 c ECG . % ,S T(dB) 'WJ DVB-T Q MHz 7 MHz 8 'W 6 /0 +/=t -./............................................................................ 19
ITU-R BT.1368-5 8
117 c ,S T(dB) E's ECG [0 Q (1 – N ) 'WJ U % DVB-T Q MHz 7 MHz 8 'WJ V % +/=t -./ 'W 6 /0.......... 20
118 c ,S T(dB) / E's ECG [0 Q (1 + N ) 'WJ U % DVB-T Q MHz 7 MHz 8 +/=t -./ 'W 6 /0 ...................................... 20
119 c ,S T(dB) E'WJ DVB-T Q MHz 8 E'W 6 /0 PAL B V % HZ E'WJ.......................................................................... 21
120 c ,S T(dB) E'WJ DVB-T Q MHz 7 Q +/=t -./ E'W 6 /0 MHz 7 HZ C# % E'WJ V % ............................................... 21
121 c ,S T(dB) E'WJ DVB-T Q MHz 8 Q +/=t -./ E'W 6 /0 MHz 8 HZ C# % E'WJ V % ............................................... 21
122 c ECG . % ,S T(dB) E'WJ DVB-T Q MHz 8 64-QAM P.@ 1 2/3 E, /U " 6 /0(CW) [!@ /U " (FM)) Pk ~e
:L X!b (.............................................................................. 22
123 c ECG . % ,S T(dB) E'WJ DVB-T Q MHz 7 64-QAM P.@ 1 2/3 E, E'W 6 /0(CW)) :L X!b Pk ~e (............................. 22
124 c ECG . % ,S T(dB) E'WJ DVB-T Q MHz 7 MHz 86 /0 E'WT-DAB ........................................................................... 23
125 c ,S T(dB) E'WJ DVB-T Q MHz 7 MHz 8 E'W 6 /0 T-DAB % E's CG(1 – N ) / (1 + N ) ........................................... 23
126 c E'WJ ,S TDVB-T Q MHz 8 64-QAM P.@ 1 2/3 6 /00 = .............................................................................. 23
127 c ,S T(dB) E'WJ DVB-T Q MHz 8 64-QAM E.W 1 3/2 6 /0 q5CDMA-1X ........................................................................ 24
128 c E'WJ ,S TDVB-T Q MHz 8 64-QAM E.W 1 3/2 q5 6 /0CDMA-3X ............................................................................. 24
129 c ,S T(dB) E'WJ /$ Pk E'W 6 /$ /=, p -.//DVB-T Q MHz 8 .................................................................................. 25
130 c ,S T(dB)/$ Pk E'W 6 /0 /$ /=, p E'WJ -.//DVB-T Q MHz 7 ..................................................................... 25
131 c ,S T (dB)/$ /=, p E'WJ E'W 6 /0 -.//DVB-TQ 7 MHz 8) E's ECG (.......................................................... 25
132 c ,S T(dB)E'W 6 /0 /$ /=, p E'WJ -.//DVB-T Q MHz 7 MHz 8) / E's ECG( .................................................... 26
ITU-R BT.1368-5 9
133 c ,S T (dB) -./ E'W 6 /0 /$ /=, p E'WJ DVB-T Q MHz 8) E' EC# (.................................................................... 26
134 c ,S T(dB) -./ E'W 6 /0 /$ /=, p E'WJ DVB-T Q MHz 7) E' EC# (.................................................................... 26
135 c ,S T(dB)WJ p' 'B D D1 G H K/PAL E'W 6 /0 /=t -./DVB-T Q MHz 7) ri-" HZ C# (....................................... 27
136 c ,S T(dB) p' 'WJ B D D1 G H K/PAL E'W 6 /0 /=t -./DVB-T Q MHz 8) HZ C# (............................................. 28
137 c T ,S(dB) 'W 6 /0 /$ 4 E'WJ ECG . % DVB-T -./ &'* +,#........................................................................... 29
138 c ,S T(dB) 4 E'WJ MF E'W 6 /0 /$ DVB-T Q MHz 7) C#HZ (................................................................................. 30
139 c ,S T(dB) 4 E'WJ AM /$ E'W 6 /0DVB-T Q MHz 8 ~/O .e )/ E's ECG (..................................................... 30
140 c ,S T(dB) E'WJ T-DAB E'W 6 /0 DVB-T Q MHz 8 ................ 30
141 c ,S T(dB) E'WJ T-DAB E'W 6 /0 DVB-T Q MHz 7 ................ 31
142 c q5C 1v,/ EW <UDVB-T Q MHz 8 ...................................... 31
143 c 7` l /S " $2 HC X#C/N 1HG2 I U D +i| C 1HG2 S [GC................................................... 33
144 c 7` l /S " $2 HC X#C/N 1HG2 I U D [GC c +i| C 1HG2 U ..................................................... 33
145 c 7` l /S " $2 HC X# YG ECG >5C/N D [GC 1HG2 c 1HG2 U DVB-T" +$ 8`U AV "............................ 34
146 c ,S T(dB) E'WJ ECG . % ISDB-T Q MHz 6 E'W 6 /0 ISDB-T Q MHz 6 .................................................................................. 36
147 c ,S T(dB) E'WJ ISDB-T Q MHz 6 EC# % N,C . Q E'W 6 /0 E'R(1 – N ) ...................................................................... 36
148 c ,S T(dB) E'WJ ISDB-T Q MHz 6 EC# % N,C . Q E'W 6 /0 /I E'R(1 + N ) ...................................................................... 37
149 c ,S T(dB) E'W U % E'R EC# [0 Q ISDB-T Q MHz 6 6 /0 +/=t -./ E'W...................................................................... 37
150 c ,S T(dB) E'R EC# [0 Q (1 – N ) % E'W UISDB-T Q MHz 6 'W 6 /0NTSC 'WJ V % .................................. 38
ITU-R BT.1368-5 10
151 c ,S T(dB) /I E'R EC# [0 Q (1 + N ) E'W U % ISDB-T Q MHz 6 E'W 6 /0NTSC Q MHz 6 ..................................................... 38
152 c ,S T(dB)'WJ /=t p' E)NTSC Q (MHz 6 E'W 6 /0 ISDB-T ..... 39
153 c "' Q p E'W HC $H I3 E'W [0 CI NTSC Q MHz 6 E'W 6 ISDB-T Q MHz 6 ................................................... 39
154 c q5C G$ dGWISDB-T Q MHz 6 ......................................... 40
155 c #$C ! " % H 10 QI C E'x % P?IV/V ..... 44
156 c +i| TZ) EUdBd ( 1, 1HG2 [" Q..................................... 45
157 c +i| TZ) EUdBd ( 1, 1HG2 [" Q................................ 46
158 c | TZ +i) EUdBd ( 1, 1HG2 [" Q..................................... 46
159 c ^ 'G GB X! M # i b/$SCM ........................ 49
1
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ATSC 6 MHz 15
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ITU-R BT.1368-5 11
13 6 (dB) :- ATSC !)*+ 0& 1$& ATSC ; !)<= '-5 8 (1 – N )
> !)<= '-5 8<(1 + N )
0O 1 – N 1 + N
ATSC 6 MHz 27– 27–
EU ,S T l '@dB8P.2 [0 , [0 F/I KH$ .
14 6 (dB) !)*7 ATSC !)*+ 0& 1$& ATSC 8 !-2 ± N
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ITU-R BT.1368-5 12
2.2.1 !)<F !- 'G1$E /& 6 $ (1 – N )
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ITU-R BT.1368-5 13
19 6 (dB) O@& CD N) !)*7)NTSC /& MHz 6(
!)*+ 0& 1$&ATSCO@& RS
-'& %&
. /01 234 4 53
1'6+ 234 4 54
1 – N) Y.( 16– N) B0O !( 34
1 + N) ( 17– 14 + N) "%1( 33– 15 + N) "%1( 31–
2 ± N 24– 3 ± N 30– 4 ± N 25– 7 ± N 34– 8 ± N 32–
2.2 '. 6 (625M@1
1.2.2 N" ')*+ O@ 4 5" 0& 1$ 2)3 ATSC
E'W 6 [0 NGL $H /$ Pk ,#' E'W 6 /0 /$ /=t E'WJ ,S T XG ^_ % KH$p'.
[2,/ ECG A'0 +.$ _ ,S T X# NHDVB-T Q </$ Pk dB 40.
1.1.2.2 T. !- 8 1$ /& 6
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ITU-R BT.1368-5 14
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/$ Pk / E's ,# ECG U %1 + Np 'W [H# 'WJ NbC . H ,# ! 'WJ % TH [0 F/I GH$ ,SBTSC MTS SAP CI 2G dB 12– . /S "
p/ /$NTSC. 8=1 Z BTSC MTS [+%$ !%\ !%0O . Y%$ B# Y 0( SAP :>^ _%1 `Y.(
ITU-R BT.1368-5 15
4 / , 01 2!ATSC
113
!)$U &> "@O V6 :ATSC /& *
MHz 6
>-?6 '<(1)
-,@ 16 MHz 88-54
-A 16 MHz 216-174
16B@ MHz 806-470
..(MHz) 69 194 615
C/N (dB) 19,5 19,5 19,5
k (dB) 228,6– 228,6– 228,6–
B (dB(Hz)) (6 MHz) 67,8 67,8 67,8
G1m2 (dB) 1,8– 7,3 17,2
GD (dB) 6 8 10
GI (dB) 8,2 10,2 12,2
V*"# aG "&G(dB) αline 1,1 1,9 3,3
"&G300/75 >b%c +M% V%d (dB) αbalun 0,5 0,5 0,5
HI%I e7"W<O& (dB) 5 5 10
Trx (K) 627,1 627,1 2 610
Tline (K) 65,0 102,9 154,4
HI%J fg0 h HI%I (LAN) (dB) 5 5 5
%J fg0 h i&j HI(LAN) (dB) 20 20 20
TLNA (dB) 627,1 627,1 627,1
Tbalun (K) 31,6 31,6 31,6
Ta (K) 9 972,1 569,1 Vk# $6 Ta αbalun (K) 8 885,1 507,1 Vk# $6
Tline/α G (K) 0,8 1,6 3,3
Trx/α G (K) 8,1 9,7 55,8
Te (K) 9 552,6 1 176,8 717,8
10 log(Te) (dB(K)) 39,8 30,7 28,6
GA (dB) 7,7 9,7 11,7
Erx (dB(µV/m))(2) (TBC) 35 33 39
* /<& <&Y F* N V( 34 C ."% eO C/N K& e&O !l& . V<O*) >=? m=n L o!)G HI%J .7 >=? V<O* HSY, %4 V<O*p Y fg0 h o>6"G >b%4 q$ =r s i$
HI%J(LAN) 1% <j o>b%c N itju W<O& ATSC. (1) $3 Y1 ; 1q$" N V%\ . (2) $3 Y1 ; 1r\ N V%\ .
ITU-R BT.1368-5 16
1 1
Erx (dB(V/m)) = ϕ (dB(W/m
2)) + 10 log(120 π)
C/N = ϕ – Glm2 + GA / Te – k – Brf
Erx (dB(µV/m)) = ϕ (dB(W/m2)) + 25.8 (dB) + 120 (dB)
= 145.8 + C/N + Glm2 – GA
/ Te + 10 log(k) + 10 log(Brf
)
Erx: ϕ:
C/N: !"# $% &' ( ) Glm
2: *& +)1,-& -& GA /Te : ( .&/
k: 01) 23 Brf: 4 56 !"# 7 8-/
) 4 !"# ;<=4& >6 14 LAN( GA
/ Te = (G − L ) / (αbalun Ta + Tbalun + TLNA + Tline
/ (αline GLNA) + Trx / (αline GLNA)) !"
Trx = (10NF
/
10 – 1) × 290°
#$ %&'( )* LAN TLNA = (10
NF
/
10 – 1) × 290°
+ ,- Tline = (1 – αline) × 290°
./$ 0 Tbalun = (1 – αbalun) × 290°
123
Ta = 10(6.63 – 2.77(log f ))
× 290° )@A 43 (
BC DEFf 1E MHz. 123 ) #$ %&'( )* - 56$7 8LAN(
α Ta = Ta(αbalun) ($
Te = (αbalun Ta + Tbalun + TLNA + Tline /(αline GLNA) + Trx / (αline GLNA))
ITU-R BT.1368-5 17
Te (dB(K)) = 10 log(αbalun Ta + Tbalun + TLNA + Tline / (αline GLNA) + Trx / (αline GLNA))
= 10 log(Tbalun + TLNA + Tline / (αline GLNA) + Trx / (αline GLNA)) + Next HI 1E 06C &4/Ta& JK H-L.
: ;"<2m 1
G1m2 = 10 log(4 π / λ2
) =6>
GI: +))F4& ((dB)
L: M NO )O(dB)
αline: M NO )O )E1 )( Ta: !"" -F (P(K)
Trx: !"" -F (P.Q) (K) nf: !"# .&/)E1 )( NF: !"# &(dB)
T0: EL(- -' (P= K 290 λ: .ERS PP-C (& T GA: 4 +)(dB)
Te: 4 !"" -F (P(K)
Next: 1EdBE(U !"# */ VC4 WM .X k: 01) 23= B: 4 Y6 !"# 7 8-/((Hz)dB)
αbalun: Z )O300/75 0[C \ )E1 )( LNA: !"# ;<=4& >6&
TLNA: !"# ;<=4& >6& !"" -F (P(K)
2
! "# DVB-T $% &'() *+ , -. /0' 1
1 DVB-T
]^ 0H_ 14 H15H H_ *&16 $% 21 *&H22 $% 23H 24H 25 ^1' +)`a DVB-T^b< 1 0,& O& 8c:
d `%DVB-Te8c 1 0^b< d e8c 3X 0^b<C `% d EFH -1)& &F (&(CW) &F (& HI FMe d 8c ELf E1 /g% `%(T-DAB)e
h i/.
ITU-R BT.1368-5 18
1.1 !)*+ DVB-T !)*+ 0& 1$& 2)3 4 5) , - '. /&
H_14 !- 9 8 6 (dB) !)*7 DVB-T
, - 9 /& !)*+ 0& 1$&
QPSK 1/2 5 6 8
QPSK 2/3 7 8 11
16-QAM 1/2 10 11 13
16-QAM 2/3 13 14 16
16-QAM 3/4 14 15 18
64-QAM 1/2 16 17 19
64-QAM 2/3 19 20 23
64-QAM 3/4 20 21 25
S `4 *& jkI 3l ^1' +) P-C)^H m^H ER nI .( o e.4H 2 l )4H
h i/ ^H m^ `4 i/ pE P1/. ^1' pE m< EC +oH 1I i/ DVB-T 7 8-/ ,& 6H 7H MHz 8.
qErs P/ @-I $% ^1' +) @-C. JK HI M +-C 7 8-/ 0 g%H etE */ `&L& EK uH e- `4 )4H
*& .IMHz 1 ^1' ) !<E +o ePR u )4 1E *& ^ 1E vE% S& Z 1 eH 4: PR = CCI + 10 log10(BO/BW )
DEF: CCI: 4 `g u ^1' )
BO: 74 8-/(MHz) ]C% vE +-C nw DVB-T BW: 7 8-/(MHz) M PR = dB 30 – ) REx +6C &4/ 1L +o ^ 1dB 30 – > PR.
y" wZ F ` *& ^b !-(% nH-# *& vI JK.
H_15 6 (dB) !)*7DVB-T !)*+ 0& 1$& DVB-T
; !)<= !-5 8(1 – N ) > !)<= !-5< (1 + N )
1 – N 1 + N
PR 30– 30–
ITU-R BT.1368-5 19
% S^ ^1' ) F WEdB^J<H- `lOH -1) `lO *& . i/ CH . `M WE .RSzC ' u WE% S pE CDVB-T4 m< JKH . `E- |H
*& ^b 4 8-L ~-OA. `E *& H-L *&H i/ n- lQ).I ^ +)4 q1)C I 1 `.
pE wZ EC .#<^ NE= 8-KA vI %.
2.1 : DVB-T2)3 4CD E : 0& 1$& 2)3 4 5)
1.2.1 !- 9 8 1$ /& 6 H_16
!- 9 8 6 (dB) ')*7 DVB-T /& MHz 7< MHz 8 4CD E ')*+ 0& 1$&
QPSK 1/2 12– 12–
QPSK 2/3 8– 8–
QPSK 3/4 4–
QPSK 5/6 3
QPSK 7/8 9
16-QAM 1/2 8– 8–
16-QAM 2/3 3– 3
16-QAM 3/4 0 5
16-QAM 5/6 9
16-QAM 7/8 16
64-QAM 1/2 3– 3
64-QAM 2/3 3 6
64-QAM 3/4 9 15
64-QAM 5/6 15
64-QAM 7/8 20
1 PAL/SECAM :
!"# $%& ' % FM (# $%& dB 10–)*+ % ,- ."*
!"FM & /&0 NICAM + FM * $ 1' 1% 12 dB 13–& dB 20–)
34 !"NICAM + AM * $ 1' 1% 1 5 dB 10–& dB 27–6 .
/ ^1' ) pE m< C e- `E HH ]A i2kH 8k. H_ !4 eH_ ,E uH23- EK H- WE/ ^ H- C e.
ITU-R BT.1368-5 20
M ] PP- JR^ &4/ nw nH JR ^1' +)4 EE' `E m6LCDVB-T -C ~& i/ & JK E3X %H -<S&H n&L M PLC 1A E/-< `l&' ] / 56^ PP
PP- pE)(COFDM) . *& , = !PI RC eELH *6 eE< 1E L ^1' ) .XHlQ) `P( . `% ] EP P1/HCOFDM `%H TVE31 *) i/ x' q1)^ .O )
dB 3^1' ) u . nI e 31 = U w l3 @ .- PP-C u - >L^H ~&Hz 1 ±.
.(I *& ^1' +) <CHDVB-T *& MHz 6tE V $% +) .
2.2.1 6 $ !)<F !- /& 1$ /& (1 – N )
H_17 6 (dB) $ !)<F !- 1$E /& (1 – N )
')*7 H 8DVB-T /& MHz 7< MHz 80& 1$ EI ')*7 J. 8 K 4CD E ')*+
! "# ! $ "#
%& PAL B PAL G, B1PAL I PAL D, K SECAM LSECAM D, K
QPSK 1/2 44–
QPSK 2/3 44– 44–
16-QAM 1/2 43– 43–
16-QAM 2/3 42– 42–
16-QAM 3/4 38–
64-QAM 1/2 40– 38–
64-QAM 2/3 35– 35– 34– 35– 37–
64-QAM 3/4 32–
.4 i/H 2 H- i/ pE wZ ,E C.
3.2.1 % !)<F !- /& 1$ /& 6(1 + N )
H_18 6 (dB) % !)<F !- 1$E /& (1 + N ) ')*7 H 8 DVB-T
/&MHz 7< MHz 81$ 4CD E ')*+ 0&
! "# $ "'
%& PAL/SECAM
QPSK 2/3 47–
16-QAM 2/3 43–
64-QAM 2/3 38–
ITU-R BT.1368-5 21
4.2.1 (W" '- 8 1$ /& 6
H_19 6 (dB) !)*7 DVB-T /& MHz 80& 1$&
!)*+PAL BEI !)*7 J. 8 K (W"&
! $ "#: () *+
,-PAL B
! "# :DVB-T .MHz 8 .64-QAM.
2/3
∆ f (MHz) 9,75−9,25−8,75−8,25−6,75−3,95−3,75−2,75−0,75−2,253,254,755,25
PR 37− 14− 8− 4− 2− 1 3 3 3 2 1− 29− 36−
PP- lO ^ ∆f M nb- PP- 31 0^b< % ^- &' ( PP-C DVB-T.
H_20
6 (dB) !)*7 DVB-T /& MHz 74CD E !)*+ 0& 1$& /&MHz 7"& '-5 8 EI !)*7 J. 8 K (W
! $ "# :,/ ()0 *+
1MHz 7
! "# :DVB-T .MHz 7 .64-QAM.
2/3
∆ f (MHz) 9,25−8,75−8,25−7,75−6,25−3,45−−3,252,25−1,25−0 1,752,754,254,75
PR 35−12−11−5− 3− 1− 4 1 0 2 5− 5− 36−38−
O ^ PP- l∆f M nb- PP- 31 0^b< % ^- &' ( PP-C DVB-T.
H_21
6 (dB) !)*7 DVB-T /& MHz 84CD E !)*+ 0& 1$& /&MHz 8(W"& '-5 8 EI !)*7 J. 8 K
! $ "#: ,/ ()0 *+
1MHz 8
! "# :DVB-T .MHz 8 .64-QAM.
2/3
∆ f (MHz) 10,25−9,75−9,25−8,75−7,25−3,45−3,2−52,25−1,25−0 1,752,754,254,75
PR 35− 12−11−5− 3− 1− 4 1 0 2 5− 5− 36−38–
PP- lO ^∆f PP-C M nb- PP- 31 0^b< % ^- &' (DVB-T.
ITU-R BT.1368-5 22
3.1 !)*+ DVB-T1$& 2)3 4 5) 0& !" & &H X&(CW) &H X& < ;;" OFM
H_22 !- 9 8 6 (dB) !)*7 DVB-T /& MHz 8 Y64-QAMY RE #$%&< 2/3Y
!" & &H X& 0& 1$&(CW) ;;" O &H X& < (FM) )Z[ \]& RS ;;"E ^_(
! $ "# : 2 -3(CW) 2 45 (FM)
66
! "# :DVB-T .MHz 8 .64-QAM. 2/3
∆ f (MHz) 12− 4,5− 3,9− 0 3,9 4.5 12
PR 38− 33− 3− 3− 3− 33− 38−
&' `( nI e74 E" .O ) `a L ^1' +) *1#C H_ 1L *6
E/gM `&U lO `&= HI E31 ECx.
H_23 !- 9 8 6 (dB) !)*7 DVB-T /& MHz 7 Y64-QAMY RE #$%&<2/3 !" & !)*+ 0& 1$& Y(CW) )Z[ \]& RS ;;"E ^_(
$ "#: -3 2
"' :DVB-T .MHz 7 .64-QAM. 2/3
∆f (MHz) 8– 4– 3– 0 3 4 8
PR 48– 41– 8– 9– 6– 39– 48–
74 E" .O ) `a WE% S ^1' +) *1#C H_ 1L *6 . &' `( nI
E/gM `&U lO ~-OA `&U HI E31 ECx . .& ^1' )4 E E4 0I $% M oH % ] PP- OFDM -1) ( .OC %H (CW)^HP LT .X . H_ u 4E pEH23 >LC
.&A =.
ITU-R BT.1368-5 23
4.1 ')*+ DVB-T 2)3 4 5" ')*+ /&T-DAB
H_24 !- 9 8 6 (dB) !)*7 DVB-T /& MHz 7< MHz 8
*+ 0& 1$& !)T-DAB
! "#DVB-T PR
%&
QPSK 1/2 10
QPSK 2/3 12
QPSK 3/4 14
16-QAM 1/2 15
16-QAM 2/3 18
16-QAM 3/4 20
64-QAM 1/2 20
64-QAM 2/3 24
64-QAM 3/4 26
64-QAM 7/8 31
1 89;< 9 *( 4= >? DVB-T = @ A$ % T-DAB.
H_25 6 (dB) !)*7 DVB-T /& MHz 7< MHz 8 !)*+ 0& 1$& T-DAB
$ !)<F '- 8(1 – N ) % < (1 + N )
1 – N 1 + N
PR 30– 30–
F WE% S^ ^1' )dB.
5.1 ')*+ DVB-T `) >.7 aG1 >.7 8 ?@- "> !)*7 /&
1.5.1 6 DVB-T OC &$1 0& 1$ /& )Z /b :(
H_26 !)*7 6 DVB-T /& MHz 8 <64-QAM RE #$%&< 2/3
0& 1$&cOC &$1 dO
∆f (MHz) 12– 4,5– 3,75– 0 3,75 4,5 12
PR (dB) 45– 27– 1 4 1 27– 45–
∆f: ^b- `PP- ] 7-<.
ITU-R BT.1368-5 24
1$ !)*7 - efIg: d .E6SFSK-2) PP- FbFb .E6SC( d 74 8-/ :kHz 750 (dB 3)
2.5.1 !)*7 6 DVB-T i"* \O ;$%& . : 0& 1$& (CDMA)
]H_ u27H 28 4 FH 4 0I Fl& o CDMA ,& .OC DVB-T.
H_27 6 (dB) !)*7 DVB-T /& MHz 8< 64-QAM !"* #$%&< 3/2
: dO 0& 1$&CDMA-1X
∆f (MHz) 12– 4,5– 3,75– 0 3,75 4,5 12
PR (dB) 38– 20– 3– 10 3– 20– 38–
∆f: `PP- ] 7-<^b- .
1$ !)*7 - efIg d .E6S : FbFb LE-C .E6SCQPSK d 74 8-/ :MHz 1,5 (%99)
H_28 !)*7 6 DVB-T /& MHz 8< 64-QAM !"* #$%&< 3/2
: dO 0& 1$&CDMA-3X
∆f (MHz) 12– 4,5– 3,75– 0 3,75 4,5 12
PR (dB) 38– 8 13 18 13 8 38–
∆f: ^b- `PP- ] 7-<.
1$ !)*7 - efIg d .E6S : FbFb LE-C .E6SCQPSK d 74 8-/ :MHz 4 (%99)
2 ! " #$ % DVB-T
*& H_ ]C29 $% 36 `g 3X 0^b< & M ^1' +) 625 % ,& O& O DVB-T 8c 1 0^b<C.
1.2 '. E 6 625M@1
1.1.2 !)*+ 0& 1$ N" ')*+ DVB-T2)3 4 5)
C % ,& O& & E3X % i/ e-< wZ u e^1' +) 4DVB-T % 1 0^b< & JK ^- % */ p(4 .O i/.
ITU-R BT.1368-5 25
.-1 4 |O <E ]Z ( ^1' +) pE NC-CDVB-T *& @ JK dB 40.
1.1.1.2 !- 9 8 1$ /& 6
H_29
6 (dB)!)*+ 0& O@ C N" !)*7 O@& RS DVB-T /& MHz 8
$ "':()0 DVB-T 1 MHz 8 ! "#: ,- * 7$4 8 -3! 8
B BD BD1 BG BH BK/PAL 34 40
I/PAL 37 41
B BD BK BL/SECAM 35 41
H_30 6 (dB)O@& RS !)*+ 0& 1$ O@ C N" !)*7
DVB-T /& MHz 7
$ "':()0 DVB-T 1 MHz 7 ! "#: ,- * 7$40 80 -3! 8
B/PAL BB/SECAM 35 41
2.1.1.2 8 1$ /& 6$ !)<F !-
H_31
6 (dB) O@ C N" !)*7 1$!)*+ 0& DVB-T/& 7< MHz 8) $ !)<F !-(
$ "':()0 DVB-T1 745 MHz 8 )+ 4; <( "#! :
,- * 87$4 -3! 8
B BD BD1 BG BH BI BK/PAL 9– 5–
B BD BK BL/SECAM 5– 1–
ITU-R BT.1368-5 26
3.1.1.2 % !)<F !- 8 1$ /& 6
_ H32
6 (dB)!)*+ 0& 1$ O@ C N" !)*7 DVB-T /& MHz 7< MHz 8) !)<F !-%(
$ "':()0 DVB-T1 745 MHz 8 ) 4; < ( ! "#:
,- * 847$ -3! 8
PAL and SECAM 8– 5–
4.1.1.2 !)I !-5 1$E /& 6
H_33
6 (dB)!)*+ 0& 1$ O@ C N" !)*7 EDVB-T /& MHz 8) !)I !-5(
,/ *+ >
DVB-T $
8 47$
8 -3!
D1 BG/PAL 9 + N 19– 15–
I/PAL 9 + N
(1)L/SECAM 9 + N 24– 22–
D B(1)K/SECAM 8 + N B 9 + N 16– 11–
D BK/PAL 8 + N B 9 + N
(1) C0 D E 9$ $ .
H_34 6 (dB) O@ C N" !)*7 !)*+ 0& 1$
EDVB-T /& MHz 7) !)I !-5(
,/ *+ >
DVB-T $
8 7$4
8 -3!
B/PAL 10 + N B 11 + N 22– 18–
ITU-R BT.1368-5 27
5.1.1.2 (W" 'G1$ /& 6
H_35
6 (dB) N) ')*7 B< D< D1< G< H< K/PALCD * E !)*+ 0& 1$&DVB-T /& MHz 7
)MfX (W"& '-5(
-? %3+ () "' )& 660DVB-T $ ,/ ()0 "# ? 2! 660 @+
(MHz) 8
7$4
8 -3!
7,75– 16– 11–
(1 – N ) 4,75– 9– 5–
4,25– 3– 4
3,75– 13 21
3,25– 25 31
2,75– 30 37
1,75– 34 40
0,75– 35 41
(N ) 2,25 35 41
4,25 35 40
5,25 31 38
6,25 28 35
7,25 26 33
8,25 6 12
(1 + N ) 9,25 8– 5–
12,25 8– 5–
* 4# (F=GSECAM C 5 @ BHI .9$ $ JKL C0 D.
ITU-R BT.1368-5 28
H_36 6 (dB) N) ')*7 B< D< D1< G< H< K/PALCD *
E !)*+ 0& 1$&DVB-T /& MHz 8 )(W"& '-5(
-? %3+ () "' )& 660DVB-T $ / ()0 "# ? 2! 660 @+ ,
(MHz) 8
7$4
8 -3!(1)
8,25– 16–
(1 – N ) 5,25– 9– 5–
4,75– 4–
4,25– 12 20
3,75– 24 30
3,25– 29 36
2,25– 33 39
1,25– 34 40
(N ) 2,75 34 40
4,75 34 39
5,75 30 37
6,75 27 34
7,75 25 32
8,75 5 11
(1 + N ) 9,75 8– 5–
12,75 8– 5–
* (F=G 4#SECAMHI C 5 @ B .9$ $ JKL C0 D. (1) C&$M N 9 O4P (4 A$& Q.R#& A$ O4% S35.
3 ! " #$ % & '() DVB-T
*& H_ ]C37 $% 39`x &' ( 06C &4/ ^1' +) r wZ u P 0^b< FMH AMH NICAM 0^b< `% ,& O& JK 8c 1-.
0^b< ECx &' `( ^ $% !b_ wZ u P ^1' +) ,E JSC . EL(- ^)H L< 1E Z ECx &' `(1r.m.s.6S JK &' (1 .
nJ<H- .O `x E/ C (3 ( -1) .OH e4.
ITU-R BT.1368-5 29
EL(- !"# $% M +) .XH(S/N ) E31 ECx `a )4 FM: d dB 40) (3^-C j *& (nJ<H- .O F u e d dB 48) (4^-C j *& (-1) .O F u e.
EL(- !"# $% M +) tCH(S/N ) !"# $% M ) Z/ S/N eH[& Hg $% Hg *& Es u PITU-R BS.468 Es uH ITU-T BS.412.
ECx M ^ CHMF PP- ixI - kHz 50±. u U ) 06CH `(BER) E1- ECx `M .(I *& EL(- NICAMh r4 i/ :
d 4–10 × 1 = BER) (3^-C j *& (nJ<H- .O F u e
d 5–10 × 1 = BER) (4^-C j *& (-1) .O F u e.
]&F ](& % F uH.x<4& .6S ]CM *& % . $% -4 +o e`x . `M +C H>I ^ M PL 6S ECx.
1.3 EI ')*7 FM< AM< NICAM ')*+ 0& 1$ 4C DVB-T 2)3 4 5"
H_37
6 (dB)0& 1$& O@& E !)*7 !- 9 8 ')*+DVB-T 2)3 4 5"
2! 25 1 -? %3+ ! AB ? ! $ "#
0C "' DVB-T
1MHz 7
DVB-T
1MHz 8
FM Q.R#& A$ 6 5
(4 A$ 16 15
AM Q.R#& A$ 21 20
(4 A$ 24 23
NICAM Q.R#& A$ 5 4
PAL B/G (4 A$ 6 5
NICAM Q.R#& A$
TFI (4 A$
NICAM Q.R#& A$ 12 11
TFL (4 A$ 13 12
ITU-R BT.1368-5 30
H_38 6 (dB) E !)*7 MF0& 1$& O@& !)*+DVB-T /& MHz 7) (W"& '-5(
dB 3 DVB-T
DVB-T
FM
kHz 500–kHz 250–kHz 50–kHz 0,0 kHz 50 kHz 250kHz 500
0 0 0 5 5 6 6 DVB-T FM 9 9 9 14 14 15 16
5 5 4 3 9– 22– 32– DVB-T FM 15 15 14 12 6– 16– 27–
!"1 ! " #$% & '()% *+% , -. /01 23 dB 40.
!"2 ! % (0 5 6 7+ 58, 9 .
H_39
6 (dB) E !)*7 AM0& 1$& O@& !)*+DVB-T /& MHz 8';;" '_ ^j
)!)<F !-% (
"# 7)&! 66DVB-T0B ? 2! 660 @+
D EF G EF (4 HI' EF G %0! -? %3+ ! 0B ? 2!
4,250 J 0,166 MHz
= 4,084 MHz
4,250 MHz 4,250 + 0,166 MHz
= 4,416 MHz
.R#& A$Q 1– 2– 4–
(4 A$ 1+ 0 2–
4 (dB) *&T-DAB *! " #$
H_40 6 (dB) !)*7 T-DAB0& 1$&
!)*+DVB-T /& MHz 8
64-QAM #$ %&' (2/3
∆ f (1) (MHz) 5– 4,2– 4– 3– 0 3 4 4.2 5
PR 50– 1– 0 1 1 1 0 1– 50–
(1) : ;; 8<DVB-T : ;; 8< =0. T-DAB.
ITU-R BT.1368-5 31
H_41 6 (dB) !)*7 T-DAB0& 1$&
!)*+DVB-T /& MHz 7
64-QAM !" #$%& Y2/3
∆ f (1) (MHz) 4,5– 3,7– 3,5– 2,5– 0 2,5 3,5 3,7 4,5
PR 49– 0 1 2 2 2 1 0 49–
(1) 9;< 0UDVB-T 9;< 0U V= T-DAB.
5 +, - ./ *$ 01,DVB-T2% .345 6
.E^w u 1 PI @)F REs PP-C1 r1 2.
H_42 :- #k !$* l; VHDVB-T /& MHz 8
(MHz) 200 550 700
'R TF= .WX9 1/4
QPSK
2/3
16-QAM
2/3
64-QAM
2/3
QPSK
2/3
16-QAM
2/3
64-QAM
2/3
QPSK
2/3
16-QAM
2/3
64-QAM
2/3
YZZ [4B (dB) F
5 5 5 7 7 7 7 7 7
4= YZZ ,-[4(1)
(C/N ) (dB)
8 14 20 8 14 20 8 14 20
QKW 94AAf (dB) 3 3 3 3 3 3 5 5 5
3\] 4UG (dB) 5 5 5 10 10 10 12 12 12
C^( $; _ `#> Ca
Emin (dB(µV/m))(2)
27 33 39 33 39 45 35 41 47
(1) b*9 .
(2) *K F=1 c( 2W Cc .
ITU-R BT.1368-5 32
6 / *$ 01, .3457 85 .DVB-T94:
PL& P-CN 1 PI @)F ` .E^w u 1r w . r uH -< wZ u .O 1E P-CH4 . , ERC 1F ,& .4 @)F +oH%99.
6.1 O@ m` n+ &6 X ( \5- #(G
@ADVB-T n-HP PP- P eE/4 *& 4EL& ^) !"# $% &' (1 )4 pE >LC e]L& .6S u P w .3 E N ,"H *6 hH eN1.
.6S1
O@ m` n+ &6 X ( ,&C/N -& ) !-5 8
1368-01
C N/PT4
PT3
PT2PT1
10 Hz fd,3 dBf
d max, /2 fd max,
]H_ u P-C43H 44 !"# $% &' ( ] )4 pE @)' &[l E pE C/N (C/Nmin) -HP PP-CH e & ) .(I *&C/N nH)C C/Nmin + dB 3 ^-H ~x PH' wH )-)/ (.4 l .
.(I *& /-) PHFHC/Nmin + dB 3 `PP-C 3l3 .(I *& PH )MHz 200H MHz 500H MHz 800 .( 1EH !"# $% &' (1 C/N nI eC/Nmin + dB 3 @)' 4& e .H_ ]^H 43
)' &[l pE !"# $% &' ( ) @C/Ny4 / F u /-) PHFH . *1#^HH_ 44y4 ' pE . E14 4 _ -W $% pE wZ 4)CH"n-#' N14 |gk " u 4E
H_45 . +L ECw 4 Z E/4 EL&H(SFP) eU )4 %5 = =ESR– u U )H e e&[-4–
10 × 1 = PER.
53$ $)# >?3% (0
(% $)# >?3% (0
;; ;
ITU-R BT.1368-5 33
43
C/N ! "#$ %&' (& %&) *+ ,#$-# ./)
2k 8k = 1/32
Fd (km/h) dB 3 Fd (km/h) dB 3
(Mbit/s)
C/Nmin
(dB)
Fd, max
(Hz)
Fd at
C/Nmin
+ 3 dB
MHz 200 MHz 500 MHz 800 C/Nmin
(dB)
Fd, max
(Hz)
Fd at
C/Nmin
+ 3 dB
MHz 200 MHz 500 MHz 800
QPSK 6,03 1/2 13,0 318 259 1 398 559 349 13,0 76 65 349 140 87
QPSK 8,04 2/3 16,0 247 224 1 207 483 302 16,0 65 53 286 114 71
16-QAM 12,06 1/2 18,5 224 182 985 394 246 18,5 59 47 254 102 64
16-QAM 16,09 2/3 21,5 176 147 794 318 199 21,5 41 35 191 76 48
64-QAM 18,10 1/2 23,5 141 118 635 254 159 23,5 35 29 159 64 40
64-QAM 24,13 2/3 27,0 82 65 349 140 87 27,0 24 18 95 38 24
44
C/N(& %&) *+ ,#$-# ./) 0 %&' -
2k 8k = 1/32
Fd (km/h) dB 3 Fd (km/h) dB 3
(Mbit/s)
C/Nmin
(dB)
Fd, max
(Hz)
Fd at
C/Nmin
+ 3 dB
MHz 200 MHz 500 MHz 800 C/Nmin
(dB)
Fd, max
(Hz)
Fd at
C/Nmin
+ 3 dB
MHz 200 MHz 500 MHz 800
QPSK
6,03 1/2 7,0 560 518 2 795 1 118 699 7,0 140 129 699 280 175
QPSK
8,04 2/3 10,0 494 447 2 414 966 604 10,0 129 106 572 229 143
16-QAM
12,06 1/2 12,5 447 365 1 969 788 492 12,5 118 94 508 203 127
16-QAM
16,09 2/3 15,5 353 294 1 588 635 397 15,5 82 71 381 152 95
64-QAM
18,10 1/2 17,5 282 235 1 271 508 318 17,5 71 59 318 127 79
64-QAM
24,13 2/3 21,0 165 129 699 280 175 21,0 47 35 191 76 48
ITU-R BT.1368-5 34
45 !" #$%C/N
&' () *+ & , DVB-T" ./ 0#, 12/"
(µs)
(dB)
1 0 3– Rayleigh
2 0,2 0 Rayleigh
3 0,5 2– Rayleigh
4 1,6 6– Rayleigh
5 2,3 8– Rayleigh
6 5 10– Rayleigh
1/32 !"# $%& ' ( )*! . +, - /0 - 12 (
3145 6!7 89:; 9 .<2 = >"6? 9 @A BC 1/4 ?D!"# $%& >4 89:;+ ?Fd, max 1E FC ?%85.
2 G4 >"6 $A FC "5; H; I J# K 1+L57 DVB-T .4 (MN2 O9 ;7P >"6 1QL57 5;2 5=Q +R GG42.
6BC G7DVB-H =C ST0 DVB-T &U VR4 K40 W 5A IXC 5W >"6 (, V+!Y Z "1 . ##! (7R= ?5;2 5=[ IIX\ ] 1 !+^Y _7 `B >4 !"# .a +R H!X 7;C/N 5=Q DVB-H.
2.6 *3*4 b JX1X 6 +dB 52 >"6 QL57A! I c2 "5;2 . G JX1O @1M+ @ (MN
H! 1 FC * @# dMG" - )"U# e1f SJ1+ ;6.
1 2
!"
[#2 G= gM2 h=12 i Hj 0 i Hj _7P: Pn = F + 10 log (k T0 B)
Ps min = C/N + Pn
Aa
= G + 10 log (1.64λ2/4 π)
φmin
= Ps min – Aa + Lf
ITU-R BT.1368-5 35
Emin = φmin + 120 + 10 log (120 π)
= φmin + 145.8
Emed
= Emin + Pmmn + Cl 5=QK57 ]P ]<
Emed
= Emin + Pmmn + Cl + Lh
5; GRl+ 5=[I mn
Emed
= Emin + Pmmn + Cl + Lh + Lb
U I GRl+ 5=[5=[ GRl+ ho ( 5;
Cl = µ ⋅ σt
σt =
22mb σ+σ
': Pn : H 2 U# JX1X L57 (dBW)
F : 2 JX1X 6L57 (dB)
k : @G71 ]%(k = 1,38 × 10–23
(J/K))
T0 : 5"2 H! *#(T0 = 290 (K))
B : 2 JX1X p0 q!6L57 (B = 7,61 × 106 (Hz))
Ps min : 2 U 0 H5L57 (dBW)
C/N : JX1O FC Hj\ 70C/N2 U# ;6 L57 ST; r"+ s (dB)
Aa : e1r" 9 R9(dBm2)
G : 94; _5 e;< h!2 e1f _7A(dBd)
λ : *1 1W Hj\(m)
φmin : H5 <A t#(pfd) 5=[ - 1 I (dB(W/m2))
Lf : +^u hU H7U(dB)
Emin : 5=[ - 1 I vM c Hj t#(dB(µV/m))
Emed : h: G ?vM2 h=12 wG" Hj t#(dB(µV/m))
Pmmn : ;[ JX1O x 6(dB)
Lh : y9[ (6 z; H7n) ;6 5=[ 50m 1,5q V= p1 ((dB)
Lb : A! 1U# (6 z; H7n(dB)
Cl : - 12 VR4 6(dB)
σt :
"M D2 ~!E[(dB)
σm :
-= p0 >"6 D2 ~!E[(σm = 5,5 (dB))
σb :
1U# (6 z; H7n D2 ~!E[(dB)
µ :
b -+1 60,52 * ( %70 1,28 * ( %90 1,64 * ( %95 2,33 ( *%99.
ITU-R BT.1368-5 36
3
#$% &' ()*ISDB-T+* + ,- .% / 01+ 234
1 ISDB-T
( 46 FC 48 ( 49 FC 51 1"2 Hj +G _70 ISDB-T HjC q G @1+,9" q "% @1+,9"?1 >"6 .
1.1 56 78ISDB-T 56 9 :; <5= .>5 ?7@A ISDB-T7@A .>5 ?
46 7> B!(dB) 56C DA! E ISDB-T F MHz 6
56 9 :;ISDB-T F MHz 6
DQPSK 16-QAM 64-QAM
7/8 10 17 23
5/6 9 16 22
3/4 9 15 21
2/3 8 14 20
1/2 6 12 17
47 7> B!(dB) 56C ISDB-T F MHz 6
!G 5HI E J> DA! F 56 9 :;(1 – N )
DQPSK 16-QAM 64-QAM
7/8 28− 27− 24−
5/6 28− 27− 25−
3/4 29− 27− 26−
2/3 29− 28− 26−
1/2 29− 28− 27−
ITU-R BT.1368-5 37
48 7> B!(dB) 56C ISDB-T F MHz 6
; 3 5HI E J> DA! F 56 9 :(1 + N )
DQPSK 16-QAM 64-QAM
7/8 29− 28− 27−
5/6 29− 28− 27−
3/4 29− 28− 27−
2/3 30− 29− 27−
1/2 30− 29− 28−
2.1 56 78ISDB-TK ?7@AL 56 9 :; <5= .>5 ?7@A <5= .M
1.2.1 DA! E *:; F 7>
49 7> B!(dB) N2 E 56 , E ISDB-T F MHz 6
.MK ?7@AL 56 9 :;
DQPSK QPSK
1/2 2/3 3/4 5/6 7/8 1/2 2/3 3/4 5/6 7/8
M/NTSC 5− 3− 1− 2 6 16− 11− 8− 0 2
16-QAM 64-QAM
1/2 2/3 3/4 5/6 7/8 1/2 2/3 3/4 5/6 7/8
M/NTSC 11− 5− 1− 6 10 6− 1− 5 9 14
1 ! dB 6" ! # . 2 $ % &!' &( )* +, -/ 0 . 1 234 &(' 0 5-4 6*+37&8 0 9:;'+ <= >
( # ?/ @A* B@C # D E <: C F( &!' 2+GdBs> @ H:IJ K
ITU-R BT.1368-5 38
2.2.1 !; 5HO *:;L F 7>(1 – N )
50 7> B!(dB) !G 5HI *:;L F (1 – N ) 56 , E ISDB-T F MHz 6
N56 9 :;NTSCLP N56C Q2 E R !" # !"
M/NTSC
DQPSK 1/2 34−
DQPSK 2/3 34−
DQPSK 3/4 33−
16-QAM 1/2 34−
16-QAM 2/3 33−
16-QAM 3/4 32−
64-QAM 2/3 32−
64-QAM 3/4 31−
64-QAM 5/6 29−
64-QAM 7/8 29−
3.2.1 5HO *:;L F 7>3 (1 + N )
51
7> B!(dB) 3 5HI *:;L F (1 + N ) 56 , E ISDB-T F MHz 6 56 9 :;NTSC F MHz 6
!" # !"
M/NTSC
DQPSK 1/2 35−
DQPSK 2/3 35−
DQPSK 3/4 34−
16-QAM 1/2 35−
16-QAM 2/3 34−
16-QAM 3/4 33−
64-QAM 2/3 33−
64-QAM 3/4 33−
64-QAM 5/6 32−
64-QAM 7/8 31−
ITU-R BT.1368-5 39
2 !" #$ %
+52 B "% @1+,9" 1" Hj\ +G _70 525 HjC - "U )U ISDB-T 1" $ q G @1+,9". +G 70 h! b 1 *2 dB 381"2 $ G ! Hj\ p0 mU QU X I .
1.2 N2 !7@AL >%!S 7> B!525T:
1.1.2 7U# N56 78NTSC N56 9 :; ISDB-T.># ?7@A
52 7> B!(dB) MK 7U5 56C)NTSC F (MHz 6
56 9 :;ISDB-T
# $ %$ &'()* +* ) +*
1 – N) 5( 6− 3−
N) N O5 0( 39 44
1 + N) (( 6− 3−
3 &' !" #$ % ' () * + ISDB-T ,
1.3 LP 56C 78NTSC 56 9 :; ISDB-T.>5 ?7@A ( +53 6B\ 14 Hj\ @ NTSC HjC - U ;6 +! Hj 05 +1 d ISDB-T .
6BC GT0 +G _70 #P `^NTSC I ;2 ?+! HjC + _70 =152.
53 5; F 7U# 56 78 L# NP 3!3*:;L ;3
56 NTSC F MHz 6 56 9 ISDB-T F MHz 6
,- .()/
) )3( 234
N O5 0 4 D/U = dB 39 < 4 (dB 54 = S/N )
+P N 0 4 D/U = dB 6– < 4 (dB 53 = S/N )
5 +P N 0 4 D/U = dB 6– < 4 (dB 52 = S/N )
1 ! dB 6" ! # KQNNTSC. 2 RS 8 MF TE 2; FE UJ: MHz 25 ±. 3 J: %V RW )* J: RW ! &85 D/U # " (5 XN( YN Z 3) # [ &85 UJ:
\%!J+ 4(
ITU-R BT.1368-5 40
4 '- . /0 1$ 23-ISDB-T
ST; wG" Hj t# #6 89:ISDB-T ;2 G; =\ _= ( c Hj t# p5j D! ? I54 . I H#1 5 ( _= K":2 c Hj t# 7 (MN54.
54 W% #L 7# X6'ISDB-T F MHz 6
BIN >VHF >VHF >UHF (MHz) 100 200 600
DQPSK
1/2
QPSK
1/2
16-QAM
3/4
64-QAM
7/8
DQPSK
1/2
QPSK
1/2
16-QAM
3/4
64-QAM
7/8
DQPSK
1/2
QPSK
1/2
16-QAM
3/4
64-QAM
7/8
B (MHz)
5,6 5,6 5,6 5,6 5,6 5,6 5,6 5,6 5,6 5,6 5,6 5,6
NF (dB)
5 5 5 5 5 5 5 5 7 7 7 7
UN
(1)
(dB(µV))
7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 9,1 9,1 9,1 9,1
(2) (C/N) (dB)
6,2 4,9 14,6 22,0 6,2 4,9 14,6 22,0 6,2 4,9 14,6 22,0
(dB)
1 1 1 1 1 1 1 1 0 0 0 0
!! "#$ %# &
Umin
(dB(µV))(1)
14,3 13,0 22,7 30,1 14,3 13,0 22,7 30,1 15,3 14,0 23,7 31,1
' (1)
K (dB)
6,4 6,4 6,4 6,4 12,4 12,4 12,4 12,4 21,9 21,9 21,9 21,9
()* +,%
Af (dB)
3 3 3 3 3 3 3 3 3 3 3 3
-./ 01G (dB)
3 5 3 3 5 5 5 5 10 10 10 10
2345 +&6 "#$
789Emin
(dB(µV/m))(1)
20,7 23,4 29,1 36,5 24,7 23,4 33,1 40,5 30,2 28,9 38,6 46,0
(1)
1 3 . (2)
!" #$ %& '()*.
ITU-R BT.1368-5 41
1
3
Erx (dB(V/m)) = ϕ (dB(W/m2)) + 10 log(120 π)
C/N = ϕ – Glm2 + GA
/
Te – k – Brf
Erx (dB(µV/m)) = ϕ (dB(W/m2)) + 25,8 (dB) + 120 (dB)
= 145,8 + C/N + Glm2 – GA
/ Te + 10 log(k) + 10 log(Brf )
Erx: ϕ: !"
C/N: #$% &' () * + Glm2: ,( -+"2
m 1
GA
/Te: . / 0(
k: 12+ 34(J/K)
Brf : #$% 5 678 (
) #$% ;<=( >?( @( A LNA( GA
/ Te = (G − L ) / (αbalun Ta + Tbalun + TLNA + Tline / (αline GLNA) + Trx / (αline GLNA)) !"#
Trx = (10 NF / 10
– 1) × 290° $% &'() *+ !LNA
TLNA = (10 NF / 10
– 1) × 290° , -. !
Tline = (1 – αline) × 290° /0% 1 !
Tbalun = (1 – αbalun) × 290° 234 !
Ta = 10(6.3 – 2.77(log f ))
× 290° (for dipole antenna) , 7C8Df E MHz.
ITU-R BT.1368-5 42
G #$$ 7E *H)$% ;<=( >? 0I + #LNA( α Ta = Ta(αbalun)
)% !
Te = (αbalun Ta + Tbalun + TLNA + Tline /(αline GLNA) + Trx / (αline GLNA))
Te (dB(K)) = 10 log(αbalun Ta + Tbalun + TLNA + Tline / (αline GLNA) + Trx / (αline GLNA))
= 10 log(Tbalun + TLNA + Tline / (αlíne GLNA) + Trx / (αline GLNA)) + Next JK
1? (TaJ78( . 5#+%2
m 1
G1m2 = 10 log(4 π / λ2) LM8
GI: G -+")N( ((dB) L: O PI +I(dB)
αline: O PI +I)M2Q +(
Ta: G #$$ 7E *H(K)
Trx: *H #$$ 7E 0R+ (K)
nf: #$% 0()M2Q +(
NF : : #$% ((dB)
T0: M8*7( 7E *H= K 290
λ: 0MST HH7 *( U
GA: -+"(dB)
Te: #$$ 7E *H(K)
Next: 2MQ(dB) 0!V M*W #$% , X Y+
k: 12+ 3423–10 × 1,38 (dB 228,6–) (K/J)
B: ( #$% 5 67((Hz) dB)
αbalun: Q +I75/300 G 1Z [ . )M2Q +à
LNA: #$% ;<=( >?(
TLNA: #$% ;<=( >?( #$$ 7E *H(K)
ITU-R BT.1368-5 43
4
1
\ ] , <^ 2Q7 1D_< L' . @Q -+` @DZ LM2 1? 1K @Q ,(42 1D_< L' . J/ ,2%J1J 2J 3 Ma . H ITU-R P.1546 b cM8 d7e
2 ,( M2Q7 )J M4MHz 100J MHz 600J MHz 2 000. 0?T . H7J2 D7 L* LQ 0*K ,( M2Q7 2f T 8 g (VHF) D7(?D L*J
(UHF) hi \ . jQ cM8( d7e @( 0?T DJdB 5,5 . jk 28 ,?lJ . m%DK g 5 dnI @Q Do -+ 0*K ,( T @Q LMb(%50 . Ma &' p*7 ,?lJITU-R P.1546 q+)
dnI @Q Db Dr -+%50 >"K 2Q7 5 67 1?D sME hM2Q7J M42 2f + ,( MHz 1,5.
0?T2 (dB)
!"%50 #
1368-02
40
30
20
10
0
– 10
– 20
– 30
– 40
(dB)
: 30 MHz 250) I II III( 470 MHz 890) IV V(
ITU-R BT.1368-5 44
2 !"# $%&' (%&)
1.2 $ %&' ( ) ' *: Lh
+ Ma . H LMb 8 hM$t Lu+2 ITU-R P.1546 5 p< vMQ G @Q( E 6t \ 8 M!2 p< cJ+ 6t0R+ . jQ wHK p< 7(Jm 10 ,?l h
mn!( M8*7 L< 1? 1K: m 20J hD7%) U2 m 30J <M!? D7%) U2 m 10 E% U ) MU 2M 1? hD7b Lu+2m 10.(
Ma . H LMb ,( T xMby c7z hM!2 p< , m<^ p< 1" 'ITU-R P.1546 mJ Ma jk . H #7*|.
2.2 +, -. ( ) ' *: Lb
+W QHH7J HJ DJZJ h# . 28+ H \ u" E &' ~8( ( IH , X . #nD' -zJM8 1?( . K 7 0IH c7z 1" ' ( &' m%DK *I P E ,( -D7Q JK . +W d78J
57< ( IH , X(dB) J 6t D 5 ~8( p< 0IH ~ 6t D 5 p< < \ < I . q+) ( SMa cK * 3" 1'J
IH , X +W . Ma . H7ITU-R P.679 AK . +W \ M<( M yE' L(8( ~ NJ7 LHH7 \ h ,( <^MHz 500J GHz 5 . Ma JJITU-R P.1238 X T +I
( IH hLM$tJ P ) ,~8( . ~8( ( IH , X +W vMQ ,( %D7 2 MQ 7*J . J/ 7DJ55 L?(O ,( daK 4n4
< h IH , X += P2J d7e vMQJ I Mb <= M+ h*W D7(?D L* 5 . LMQ &' mH.
J/55 / 0 12 3 4 , 5 6 + -. ( ) ' * 5 478IV/V
!" # $ %& '
(dB)
(!) *+, (dB)
7 5
11 6
15 7
I Mb <= M+ L?(O L 2 !(K:
:
h8( *_ k 1JH E% . M? ( D7%E rM . M? EJ . *I P E \ 0 k 7.
ITU-R BT.1368-5 45
:
D7%E rM . M*I d7h8( *_ k D7%E rM . M? EJ . MIH d7.
:
-?( ( . MI d7S. H[ (I PM= G28 ,?2M hQH 7!"K vMQ \ y) M LM 3b '.
3.2 ;2 -. ( ) ' * :Lv
+W . kI 1K -z"7( . M 02bD _M . h"7 0?M , X . +W 2MQ ~Q . hD7(?D L*2 "7( IH , X M2IV/V Ly . +? >W &' mH
hDWdB 6.
3 (%&) *+, - !!%
. H7 MaITU-R BT.419U 28n LM q . _MM2J M* 8 L(8( .
4 . !+,/0(%.(1% 2
1.4 <= 4 >?
LM G ,( <^ AK . G -+" . MQ . -+" vMQ >8JMA M G:
J/56 @>? A;) C DdBd (<F
- . (dBd)
III 2–
IV 0
V 0
q . _MMV cK H*J @Q ,( M.
2.4 <G& 4 >H D
( muSa 1?M ]kJ d7 M ,( K_D m#_* M 02bD uSa d7( . G 1?D 1K -z* . L* 5 ,( wHt #_/ . * G -+? E KK 1K vM2y ?T c/ v< ~DJ D7(?DUHF .J/ . H7DJ 57D7(?D L* 5 . LHH7 4n! G -+" . \ y) ,?lJ
I IH 2? LHH7 jk ~ \t G -+".
ITU-R BT.1368-5 46
J/57 @>? A;) C DdBd ( D <F
$$+ (MHz)
. (dBd)
474 12–
698 9–
858 7–
0?TJ . p8O P^ 1?DJ 2 ,( P2 k , q . _MMV cK @QD h
L 0( t +.
3.4 , 4 >?
"7( 0IH . 028+ 28 cM8 G4/1 028+D hqQt 4 +2" 8 +$K .+ \ G @$J \ DM HJ *( DJZ 0*K ,( G -+" QDJ . G 2t +
J/ . H vM \ y) @QD hM+58.
J/58 @>? A;) C DdBd (<F
- . (dBd)
III 5–
IV 2–
V 1–
~ ( G _MMV NJ7D D7 ME ,(J4J dB 10+ \ G @$ mJ .
ITU-R BT.1368-5 47
5
(SCM) !"#$ %& & ' ( )
1 3 (3
c ~Q7 ,( mu" mH -J hmnDU mQJ 57S+ 8( LI #7*' e L*H vMM Mk 7 e *H ( 0(" SJ.
e AK ,( ~A D2) -+ vMM -D J * . mD7 0!2J h! 3 0I 0*K ,( *J cu<J74 J/ 7 h72+ 0I 59.
e M ( \ H2 42 1D_< 2K 0*K ,( D2) -+ vMM D7U b k DJ+( e @( 0I -+(8*7 0I - . H ' 28n QJ Q4( g \ y) ,?l J4 aJ ~Q7 ,( uSa.
D7UJ u 42 JK 2Q7 O 2K ,( cK ,( 0I vMM ( D7U >8 Mk42 1D_< . Qt ,( 2 \ y) &' H 3! 8*7 0I M cHDJ
M<U d7e L + HO)dB 1 ±mD7 cM8 d7e ,( .( mH ] _+D JmnMr$ ,( ~Q7 >W u ,( JK #>I +J 4n4 ~ ( #.
2G28 ,?l 8*7 0I 14 1+( : MM/ * 0I MS #$% 0I -+(.
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ITU-R BT.1368-5 48
0?T3 &L ' , 2M(SCM) <N O
1368-03
b b
dB
CVBS
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p 20 t ,( D+ 1K &' muT( ;Mt &' HmVp–p 700 D JK CVBS ,( Vp–p 1 . L+ jk J D2) -+RF ,( dB 30J dB 40 i \ ) I ¢3/2 .( MM/ * ( HH7 7 1?D 1K -zJ
,2$Hz 1 ±.
RF
3 = 60 mVp–p !"# 4 = 20 mVp–p"# ! $ !
Hz 1 ± 10 416 = a
Hz 1 ± 10 500 = a
Hz 1 ± 10 510 = a
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ITU-R BT.1368-5 50
6
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D u<T ] 0Q M*WJ MI L7<T 1( . 2M jk h#$% M 0I -+( E .J W ,( MI a M(QEF) + @( BER 11–
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2 4 >$ >(5 (7 ?(SFP): 5 &! @9A
+ MQ k8D QBER M D D* D7U N7Q ]kJ 2 yy= 1D_< _*K E . SFP E( D7 D2) -+ LMQ #7*O . E &' 0a M M8( &' H c7z D2) -+ DbJ
yb1D_< \ W ,( MI a \ . D2) +JRF O DVB-T ~ + 2MQ ( 0IH u OJ O0R+ D7 H h(SFP)i >"t xMby H8 &' 7J h.
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0I ZO JM H8 cu<J7 : ET = E(50, t) + P + AT
ITU-R BT.1368-5 51
sME: E(50, t): (dB(µV/m)) +M h0I -+ 07 , kW 1 #4K ZJ vDJ
% t3Q ,( P: 8< 8T e.r.p. (dB(1 kW))0I -+ 072 A: + D2) (dB)
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28 -z K 8D kJACt @MX . 1? ( E: E(50, 50) + AC > E(50, t) + AT
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