GD∕J 114-2020 有线电视网络智能机顶盒（IP型）测量方法（高清）.pdf

GD/J 1142020 IP Measurement methods for internet-protocol-based cable TV smart set top box -GD/J 1142020 I .II 1 .1 2 .1 3 .1 3.1 .1 3.2 .1 4 .2 4.1 GPURAMFlash.2 4.2 .2 4.3 .2 4.4 WiFi.3 4.5 .3 4.6 .4 4.7 .4 4.8 HDMI.4 4.9 .4 4.10 4K.6 4.11 .9 4.12 .10 4.13 .10 4.14 .10 4.15 .11 .12 GD/J 1142020 II GB/T 1.12009 GD/J 1142020 1 IP 1 GD/J 0782018IP 2 GD/J 0782018 IP 3 3.1 3.1.1 IP internet-protocol-based cable TV smart set top box 3.2 AP Access Point CVBS Composite Video Broadcast Signal GPU Graphics Processing Unit HDMI High Definition Multimedia Interface HDTV High Definition Television IP Internet Protocol RAM Random Access Memory SDTV Standard Definition TelevisionUSB Universal Serial Bus UHDTV Ultra High Definition Television WiFi Wireless Fidelity GD/J 1142020 2 4 4.1 GPURAMFlash 4.1.1 1 1 4.1.2 a)1 b)GD/J 07820181GPURAMFlash 4.2 4.2.1 2 2 HDMI 4.2.2 a)2 b)IPUSB c)4.3 4.3.1 2 4.3.2 a)2 GD/J 1142020 3 b)IPUSB c)GD/J 07820181 4.4 WiFi 4.4.1 3 3 WiFi 4.4.2 a)3 b)APIEEE 802.11a/b/g/n/acAP c)4.5 4.5.1 4.5.1.1 1 4.5.1.2 a)1 b)8m,c)8m 4.5.2 4.5.2.1 1 4.5.2.2 a)1 GD/J 1142020 4 b)8m6030,4.6 4.7 4.7.1 2 4.7.2 a)2 b)IPUSB c)GD/J 07820183/4.8 HDMI 4.8.1 2 4.8.2 a)2 b)IPUSB c)GD/J 07820185.1.5HDMISDTVHDTVUHDTV 4.9 4.9.1 4.9.1.1 4 GD/J 1142020 5 IPIP/CVBS 4 4.9.1.2 a)4 b)IPUSB c)sinx/x 4.9.2 K 4.9.2.1 4 4.9.2.2 a)4 b)IPUSB c)CCIR17 d)KKKb2TKpb2TKbK e)f)4.9.3 4.9.3.1 4 4.9.3.2 a)4 b)IPUSB GD/J 1142020 6 c)d)100kHz5MHz 4.9.4 P-PP-P 4.9.4.1 4 4.9.4.2 a)4 b)IPUSB c)d)/12.5%50%87.5%/4.9.5 /4.9.5.1 4 4.9.5.2 a)4 b)IPUSB c)20T d)/e)/4.10 4K 4.10.1 4.10.1.1 5 GD/J 1142020 7 IP4KIP/5 4K 4.10.1.2 a)5 b)-20dBFS c)IPUSB d)e)1kHz20Hz20kHz 4.10.2 4.10.2.1 5 4.10.2.2 a)5 b)-20dBFS c)IPUSB d)4.10.3 ()4.10.3.1 5 4.10.3.2 a)5 b)-20dBFS1kHz c)IPUSB d)1kHzVs e)1kHzVn GD/J 1142020 8 f)()S/N=VsVn 4.10.4 4.10.4.1 5 4.10.4.2 a)5 b)-20dBFS20Hz20kHz c)IPUSB d)4.10.5 4.10.5.1 5 4.10.5.2 a)5 b)-20dBFS20Hz20kHz c)IPUSB d)4.10.6 4.10.6.1 5 4.10.6.2 a)5 b)IPUSB c)1kHz/-20dBFs d)4.10.7 GD/J 1142020 9 4.10.7.1 5 4.10.7.2 a)5 b)IPUSB c)d)LALALBLB e)LABLBALAB=LA LALBA=LB LB 4.10.8 4.10.8.1 6 IPIP/CVBSAudio L/R 6 4.10.8.2 a)6 b)IPUSB c)1kHz 4.11 4.11.1 2 4.11.2 a)2 b)IP c)GD/J 1142020 10 d)e)4.12 4.12.1 2 4.12.2 a)2 b)IP c)IP d)4.13 4.13.1 7 IP4KIP7 4.13.2 a)7 b)IP c)15min2min 4.14 4.14.1 8 GD/J 1142020 11 IP8 4.14.2 a)8 b)150V220V240V c)4.15 4.15.1 9 IP 9 4.15.2 a)9 b)12V c)GD/J 1142020 12 1 GB/T 23121980 2 GB 4943.12011 1 3 GB/T 130002010 UCS 4 GB 180302005 _