【正文】 局）SAW Surface Acoustic Wave 聲表面波SAWF Surface Acoustic Wave Filter 聲表面波濾波器SCDMA SynchronousCode Division Multiple Access 同步碼分多址方式SCE Single Channel Encoder 單信道編碼器SCMS Serial Copy Management System 成套復(fù)制管理系統(tǒng)SCN Space Cable Network （通信衛(wèi)星CATV節(jié)目傳送網(wǎng)絡(luò)）SDB Switched Digital Data Interconnect 交換數(shù)字廣播SDH Synchronous Digital Hierarchy 同步數(shù)字系列SDI Serial Digital Interface 串行數(shù)字接口Standard Data Interface 標(biāo)準(zhǔn)數(shù)據(jù)接口SDMA Space Division Multiple Access 空分多址SDN Synchronous Digital Transmission Network 同步數(shù)字傳輸網(wǎng)絡(luò)SDTV Standard Definition Television 標(biāo)準(zhǔn)清晰度電視SE Sound Effect 音響效果SEA Sound Effect Amplifier 音響效果放大器Special Effect Amplifier 特技放大器SEG Special Effect Generator 特技發(fā)生器SI Service Information （數(shù)字電視業(yè)務(wù)信息）SIO Serial Input /Output 串行輸入/輸出SLA Semiconductor Laser Amplifier 半導(dǎo)體激光放大器SMF Single Mode Fiber 單模光纖SMS Subscriber Management System 用戶管理系統(tǒng)SNG Satellite News Gathering 衛(wèi)星新聞采集系統(tǒng)SNR Signal to Noise Ratio 信噪比SONET Synchronous Optical Network 同步光纖網(wǎng)SPG SyncPulse 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TDCDMA Time DivisionCode 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 用戶代理UDP User Data Protocol 用戶數(shù)據(jù)協(xié)議UDTV Ultra High Definition TV 特高清晰度電視UHF UltraHigh Frequency 特高頻ULF UltraLow Frequency 超低頻UNI User Network Interface 用戶網(wǎng)接口UP User Plane 用戶平面UPI User Premises Interface 用戶室內(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VOD VideoOnDemand 視頻點(diǎn)播VR Virtual Reality 虛擬現(xiàn)實(shí)VRC Vertical Redundancy Checking 垂直冗余檢驗(yàn)VS Video Server 視頻服務(wù)器Video Session 視頻會(huì)議VSM Video Service Module 視頻業(yè)務(wù)模塊VSB Vestigial SideBand 殘留邊帶VSS Virtual Studio System 虛擬演播室系統(tǒng)VT Visual Telephone 可視電話VTR Video Tape Recorder 磁帶錄像機(jī)WA Wireless Access 無(wú)線接入WAN Wide Area Network 廣域網(wǎng)WAU Wireless Access Unit 無(wú)線接入單元WBA Wide Band Amplifier 寬帶放大器WBR Write Buffer Register 寫(xiě)入緩存器WCDMA Wide BandCDMA 寬帶碼分多址WD WavelengthDivision 波分WDM Wavelength Division Multiplexing 波分復(fù)用WDMA Wavelength Division Multiple Access 波分多址Web TV Web Television 網(wǎng)絡(luò)電視WFM Wave Form Monitor 波形監(jiān)視器WLAN Wireless Local Area Network 無(wú)線局域網(wǎng)WORM Write Only Read Many 一次性寫(xiě)入多次讀出(光盤(pán))WS Working Storage 暫存器WV Working Voltage 工作電壓XBS Extra Bass System 超低音系統(tǒng)XDR External Data Representation 外部數(shù)據(jù)表示XFMR XFORMER 變壓器XL Inductive Reactance 感抗XM Cross Modulation 交調(diào)XIC Transmission Interface Converter 傳輸接口轉(zhuǎn)換器XIR Extreme Infrared 遠(yuǎn)紅外線XPNDR Transponder 轉(zhuǎn)發(fā)器，應(yīng)答器XPT Cross Point 交叉點(diǎn)XT Cross Talk 串音，串?dāng)_XVTR Transverter 變換器YEDFA Ytterbium Erbium CoDoped Fiber Amplifier 鐿鉺光纖放大器Y/C Luminance/Chrominance 亮度／色度Ysignal Luminance Signal 亮度信號(hào)ZA Zero Adjustment 調(diào)零，零點(diǎn)調(diào)整ZCP Zero Crossing Point 過(guò)零點(diǎn)ZP Zero Potential 零電位ZIT Zone Information Table 網(wǎng)絡(luò)群信息表18 / 1