SONET Synchronous Optical Network 同步光纖網(wǎng)
SPG Sync-Pulse Generator 同步脈沖發(fā)生器
SPI Synchronous Parallel Interface 同步并行接口
SPOT Satellite Positioning and Tracking 衛(wèi)星定位與跟蹤
SS Small Scale Integrated Circuit 小規(guī)模集成電路
ST Studio 演播室
STC Satellite Tracking Center 衛(wèi)星跟蹤中心
STM Synchronous Transfer Mode 同步轉(zhuǎn)移模式
STS Satellite Transmission System 衛(wèi)星傳輸系統(tǒng)
SW Short Wave 短波
Terminal Adapter 終端適配器
Traffic Announcement 交通廣播
TA Trunk Amplifier 干線放大器
Trunk Adapter 干線適配器
Time Base Corrector 時(shí)基校正器
TAD Temperature Coefficient 溫度系數(shù)
TBC Time Code 時(shí)間碼
TC Transfer Control 傳輸控制
TCC Television Control Center 電視控制中心
TDA Trunk Distribution Amplifier 干線分配放大器
TD-CDMA Time Division-Code Division Multiple Access 時(shí)分-碼分多址
TDM Time Division Multiplexing 時(shí)分復(fù)用
THD Total Harmonic Distortion 總諧波失真
TOS Tape Operating System 磁帶操作系統(tǒng)
TP Test Point 測(cè)試點(diǎn)
TPS Tracking Pilot Signal 跟蹤導(dǎo)頻信號(hào)
TS Transport Stream 傳送碼流
TSC Television Standard Converter 電視制式轉(zhuǎn)換器
TVM Television Monitor 電視監(jiān)視器
TVS Television Studio 電視演播室
TVT television translator 電視轉(zhuǎn)發(fā)器(差轉(zhuǎn)機(jī)
UA User Agent 用戶(hù)代理
UDP User Data Protocol 用戶(hù)數(shù)據(jù)協(xié)議
UDTV Ultra High Definition TV 特高清晰度電視
UHF Ultra-High Frequency 特高頻
ULF Ultra-Low Frequency 超低頻
UNI User Network Interface 用戶(hù)網(wǎng)接口
UP User Plane 用戶(hù)平面
UPI User Premises Interface 用戶(hù)室內(nèi)接口
USS United States Standard 美國(guó)標(biāo)準(zhǔn)
USSB United States Satellite Broadcasting 美國(guó)衛(wèi)星廣播（公司
UV Ultra Violet 紫外（線
UW Ultrasonic Wave 超聲波
VAM Video Access Module 視頻接入模塊
VAN value Added Network 增值網(wǎng)絡(luò)
VAS value Added Service 增值業(yè)務(wù)
VB Video Animation System 視頻動(dòng)畫(huà)系統(tǒng)
Virtual Bench 虛擬裝置
VCA Voltage Controlled Amplifier 壓控放大器
VCD Variable Capacitance Diode 變?nèi)荻O管
Video CD 數(shù)字激光視盤(pán)
VCP Video Cassette Player 盒式放像機(jī)
VCR Video Cassette Recorder 盒式錄像機(jī)
VD Vertical Drive 場(chǎng)驅(qū)動(dòng)
VDA Video Distribution Amplifier 視分放大器
VDT Video Display Terminal 視頻顯示終端
VE Video Engineer 視頻工程師
VEQ Video Equalizer 視頻均衡器
VES Virtual Editing System 虛擬編輯設(shè)備
VESA Video Electronics Standard Association (美國(guó)視頻電子標(biāo)準(zhǔn)協(xié)會(huì)
VF Video Frequency 視頻
VG Video Graphics 視頻圖形
VGA Video Graphics Array 視頻圖形陣列（顯示卡
VHF Very High Frequency 甚高頻
VHS Video Home System 家用視頻系統(tǒng)
VIP Visual Image Processor 視頻圖像處理器
VITC Vertical Interval Time Code 場(chǎng)消隱期時(shí)間碼
VITS Vertical Interval Test Signal 場(chǎng)消隱期測(cè)試信號(hào)
VLC Variable Length Coder 可變長(zhǎng)度編碼器
VLSI Very Large Scale Integrated Circuit 超大規(guī)模集成電路
SPG Sync-Pulse Generator 同步脈沖發(fā)生器
SPI Synchronous Parallel Interface 同步并行接口
SPOT Satellite Positioning and Tracking 衛(wèi)星定位與跟蹤
SS Small Scale Integrated Circuit 小規(guī)模集成電路
ST Studio 演播室
STC Satellite Tracking Center 衛(wèi)星跟蹤中心
STM Synchronous Transfer Mode 同步轉(zhuǎn)移模式
STS Satellite Transmission System 衛(wèi)星傳輸系統(tǒng)
SW Short Wave 短波
Terminal Adapter 終端適配器
Traffic Announcement 交通廣播
TA Trunk Amplifier 干線放大器
Trunk Adapter 干線適配器
Time Base Corrector 時(shí)基校正器
TAD Temperature Coefficient 溫度系數(shù)
TBC Time Code 時(shí)間碼
TC Transfer Control 傳輸控制
TCC Television Control Center 電視控制中心
TDA Trunk Distribution Amplifier 干線分配放大器
TD-CDMA Time Division-Code Division Multiple Access 時(shí)分-碼分多址
TDM Time Division Multiplexing 時(shí)分復(fù)用
THD Total Harmonic Distortion 總諧波失真
TOS Tape Operating System 磁帶操作系統(tǒng)
TP Test Point 測(cè)試點(diǎn)
TPS Tracking Pilot Signal 跟蹤導(dǎo)頻信號(hào)
TS Transport Stream 傳送碼流
TSC Television Standard Converter 電視制式轉(zhuǎn)換器
TVM Television Monitor 電視監(jiān)視器
TVS Television Studio 電視演播室
TVT television translator 電視轉(zhuǎn)發(fā)器(差轉(zhuǎn)機(jī)
UA User Agent 用戶(hù)代理
UDP User Data Protocol 用戶(hù)數(shù)據(jù)協(xié)議
UDTV Ultra High Definition TV 特高清晰度電視
UHF Ultra-High Frequency 特高頻
ULF Ultra-Low Frequency 超低頻
UNI User Network Interface 用戶(hù)網(wǎng)接口
UP User Plane 用戶(hù)平面
UPI User Premises Interface 用戶(hù)室內(nèi)接口
USS United States Standard 美國(guó)標(biāo)準(zhǔn)
USSB United States Satellite Broadcasting 美國(guó)衛(wèi)星廣播（公司
UV Ultra Violet 紫外（線
UW Ultrasonic Wave 超聲波
VAM Video Access Module 視頻接入模塊
VAN value Added Network 增值網(wǎng)絡(luò)
VAS value Added Service 增值業(yè)務(wù)
VB Video Animation System 視頻動(dòng)畫(huà)系統(tǒng)
Virtual Bench 虛擬裝置
VCA Voltage Controlled Amplifier 壓控放大器
VCD Variable Capacitance Diode 變?nèi)荻O管
Video CD 數(shù)字激光視盤(pán)
VCP Video Cassette Player 盒式放像機(jī)
VCR Video Cassette Recorder 盒式錄像機(jī)
VD Vertical Drive 場(chǎng)驅(qū)動(dòng)
VDA Video Distribution Amplifier 視分放大器
VDT Video Display Terminal 視頻顯示終端
VE Video Engineer 視頻工程師
VEQ Video Equalizer 視頻均衡器
VES Virtual Editing System 虛擬編輯設(shè)備
VESA Video Electronics Standard Association (美國(guó)視頻電子標(biāo)準(zhǔn)協(xié)會(huì)
VF Video Frequency 視頻
VG Video Graphics 視頻圖形
VGA Video Graphics Array 視頻圖形陣列（顯示卡
VHF Very High Frequency 甚高頻
VHS Video Home System 家用視頻系統(tǒng)
VIP Visual Image Processor 視頻圖像處理器
VITC Vertical Interval Time Code 場(chǎng)消隱期時(shí)間碼
VITS Vertical Interval Test Signal 場(chǎng)消隱期測(cè)試信號(hào)
VLC Variable Length Coder 可變長(zhǎng)度編碼器
VLSI Very Large Scale Integrated Circuit 超大規(guī)模集成電路