嵌入式系統(tǒng)專業(yè)術(shù)語中英文對照

1、嵌入式系統(tǒng)專業(yè)術(shù)語中英文對照A:Actuator 執(zhí)行器A:Amplifier 放大器A:Attendance 員工考勤A:Attenuation 衰減AA:Antenna amplifier開線放大器AA:Architectural Acoustics 建筑聲學AC:Analogue Controller 模擬控制器ACD:Automatic Call Distribution 自動分配話務ACS:Access Control System 出入控制系統(tǒng)AD:Addressable Detector 地址探測器ADM:Add/Drop Multiplexer 分插復用器ADPCM:Adapt

2、ive Differential ulse Code Modulation自適應差分脈沖編碼調(diào)制AF:Acoustic Feedback 聲反饋AFR:Amplitude /Frequency Response 幅頻響應AGC:Automati Gain Control 自動增益控制AHU:Air Handling Unit 空氣處理機組A-I:Auto-iris 自動光圈AIS:Alarm Indication Signal 告警指示信號AITS:Acknowledged Information Transfer Service 確認操作ALC:Automati Level Control自

3、動平衡控制ALS:Alarm Seconds 告警秒ALU:Analogue Lines Unit模擬用戶線單元AM:AdministrationModule 管理模塊AN:Access Network 接入網(wǎng)ANSI:American National Standards Institute美國國家標準學會APS:Automatic ProtectionSwitching自動保護倒換ASC:Automati Slope Control 自動斜率控制ATH:Analogue Trunk Unit 模擬中繼單元ATM Asynchrous Transfer Mode 異步傳送方式AU- PPJE

4、:AU Pointer Positive Justification管理單元正指針調(diào)整AU:Administration Unit 管理單元AU-AIS:Administrative Unit Alarm IndicationAUG:Administration Unit Group 管理單元組SignalAU告警指示信號AU-LOP:Loss of Administrative Unit Pointer AU指針丟失AU-NPJE:AU PointerNegative Justification管理單元負指針調(diào)整AUP:AdministrationUnit Pointer 管理單元指針Dev

5、ice音像控制裝置AVCD:Auchio &Video ControlAWG:American Wire Gauge 美國線纜規(guī)格BA:Bridge Amplifier 橋接放大器BAC:Building Automation & Control net建筑物自動化和控制網(wǎng)絡BAM:Background Administration Module 后管理模塊BBER:Background Block Error Ratio 背景塊誤碼比BCC:B-channel Connect ControlB 通路連接控制BD:Building DistributorBEF:Buiding Entrance

6、 Facilities建筑物入口設施BFOC:Bayonet Fibre Optic Connector 大口式光纖連接器BGN:Background Noise 背景噪聲BGS: Background Sound 背景音響B(tài)IP-N:Bit Interleaved Parity N code 比特間插奇偶校驗 N位碼B-ISDN:Brand band ISDN寬帶綜合業(yè)務數(shù)字網(wǎng)B-ISDN:Broad band -Integrated Services Digital Network 寬帶綜合業(yè)務數(shù)字網(wǎng)BMC:Burst Mode Controller突發(fā)模式控制器BMS:Building

7、Management System 智能建筑管理系統(tǒng)BRI:Basic Rate ISDN基本速率的綜合業(yè)務數(shù)字網(wǎng)BS:Base Station 基站BSC:Base Station Controller基站控制器BUL Back up lighting備用照明CIS: Client/server客戶機/服務器C:Combines 混合器C:Container 容器CA:Call Accounting電話自動計費系統(tǒng)CATV:Cable Television有線電視CC:Call Control 呼叫控制CC:Coax cable 同軸電纜CCD:Charge coupled devices

8、電荷耦合器件CCF:Cluster Contril Function 簇控制功能CD:Campus Distributor建筑群配線架CD:Combination detector感溫，感煙復合探測器CDCA:Continuous Dynamic Channel Assign 連續(xù)的動態(tài)信道分配CDDI:Copper Distributed Data合同纜分布式數(shù)據(jù)接口CDES:Carbon dioxide extinguisbing system 二氧化碳系統(tǒng)CDMA:CodeDivision Multiplex Access 碼分多址CF:Core Function核心功能CFM:Comp

9、oundedFrequency Modulation 壓擴調(diào)頻繁CIS:Call Information System 呼叫信息系統(tǒng)CISPR:lnternation Special Conmittee On Radio Interference國際無線電干擾專門委員會CLNP:Connectionless Network Protocol 無連接模式網(wǎng)絡層協(xié)議CLP:Cell Loss Priority信元丟失優(yōu)先權(quán)CM:Communication Module 通信模塊CM:ConfigurationManagement 配置管理CM:Cross-connect Matrix 交叉連接矩陣

10、CMI:Coded Mark Inversion 傳號反轉(zhuǎn)碼CMISE:CommonManagement Information Service 公用管理信息協(xié)議服務單元CPE:Convergence protocol entity會聚協(xié)議實體CR/E:card reader /Encoder (Ticket reader )卡讀寫器 / 編碼器CRC:Cyclic Redundancy Check 循環(huán)冗余校驗CRT:Cathode Ray Tabe顯示器，監(jiān)視器，陰極射線管CS: Convergence service 會聚服務CS:Cableron Spectrum舊納檔塊化技術(shù)CS:C

11、eiling Screen 擋煙垂壁CS:Convergence Sublayer 合聚子層CSC:Combined Speaker Cabinet 組合音響CSCW:Computersupported collaborative work 計算機支持的協(xié)同工作CSES:Continuius Severely Errored Second 連續(xù)嚴重誤碼秒CSF:Cell Site Function 單基站功能控制CTB:Composite Triple Beat 復合三價差拍CTD Cable Thermal Detector 纜式線型感溫探測器CTNR:carrier to noise ra

12、tio 載波比CW:Control Word 控制字DBA:Database Administrator分配的大器數(shù)據(jù)庫管理者D:DirectionalDistortionDistributiveDA:Distribution指向性失真度分布式AmplifierDBCSN:Database Control System Nucleus 數(shù)據(jù)庫控制系統(tǒng)核心DBOS:Database Organizing System 數(shù)據(jù)庫組織系統(tǒng)DBSS:Database Security System 數(shù)據(jù)庫安全系統(tǒng)DC:Door Contacts 大門傳感器DCC:Digital Communicatio

13、n Channel 數(shù)字通信通路DCN:Data Communication Network 數(shù)據(jù)通信網(wǎng)DCP-l:Distributed Control Panel -Intelligent智能型分散控制器DCS:Distributed Control System 集散型控制系統(tǒng)DDN:Digital Data Network 數(shù)字數(shù)據(jù)網(wǎng)DDS:Direct DignitalController 直接數(shù)字控制器DDW:Data DescribingWord 數(shù)據(jù)描述字DECT:Digital Enhanced Cordless Telecommunication 增強數(shù)字無繩通訊DFB:D

14、istributed Feedback 分布反饋DID:Direct Inward Dialing直接中繼方式，呼入直撥到分機用戶DL:Data Link Control Layer 數(shù)據(jù)鏈路層DLI:DECT Line InterfaceDODI:Direct Outward Dialing One 一次撥號音DPH:DECT PhoneDRC:Directional Response Cahracteristics 指向性響應 DS:Direct Sound 直正聲DSP:Digital signal Processing 數(shù)字信號處理DSS Deiision Support System

15、 決策支持系統(tǒng)DTMF:Dual Tone Multi-Frequency雙音多頻DTS:Dual -Technology Sensor 雙鑒傳感器DWDM:DenseWave-length Division Multiplexing密集波分復用DXC:Digital Cross-Connect 數(shù)字交叉連接E:Emergency lighting 照明設備E:Equalizer 均衡器E:Expander 擴展器EA-DFB:Electricity Absorb-Distributed Feedback 電吸收分布反饋ECC:EmbeddedControl Channel 嵌入或控制通道ED

16、FA:Erbium-Doped Fiber Amplifier摻餌光纖放大器EDI:Electronic Data Interexchange 電子數(shù)據(jù)交換EIC:Electrical Impedance Characteristics 電阻抗特性EMC Electro Magnetic Compatibiloty 電磁兼容性EMI:Electro Magnetic Interference電磁干擾EMS:Electromagnetic Sensitibility電磁敏感性EN:Equivalent Noise 等效噪聲EP:Emergency Power 應急電源ES:Emergency S

17、ooket 應急插座ES:Evacuation Sigvial 疏散照明ESA:Error SecondA 誤碼秒類型 AESB:ErrorSecondB 誤碼秒類型EESD:Electrostatic Discharge 靜電放電ESR:Errored Second Ratio 誤碼秒比率ETDM:Electrical Time Division Multiplexing電時分復用ETSI:European Telecommunication Standards Institute歐洲電信標準協(xié)會F:Filter 濾波器TOPFAB:Fire Alarm Bell 火警警鈴FACU:Fire

18、 Alarm Contrlol Unit火災自動報警控制裝置FC:Failure Count 失效次數(shù)FC:Frequency Converter 頻率變換器FCC:Fire Alarm System 火災報警系統(tǒng)FCS:Field Control System 現(xiàn)場總線FCU Favn Coil Unit 風機盤管FD:Fire Door 防火門FD:Flame Detector火焰探測器FD:Floor DistributorFD:Frequency Dirsder 分頻器FDD:Frequency DivisionFDDI： FiberdistributedDual頻分雙工Data In

19、terface光纖纜分布式數(shù)據(jù)接口。FDDIF:Fiber DistributedData Inferface光纜分布數(shù)據(jù)接口FDMA:Frequency DivisionMultiple Access 頻分多址FE:Fire Extirguisher消防電梯FEBE:Far End Block Error 遠端塊誤碼FEXT:Far End Crosstalk遠端串擾FFES:Foam Fire Extionuishing System 泡沫滅火系統(tǒng)FH:Fire hydrant 消火栓FI:Fee Indicator費用顯示器FL:Focal LengthFL:Fuzzy Logic焦距模

20、糊邏輯FM:FaiiltManagement 失效管理FPA:Fire PublicAddress火災事故廣播FPD:Fire PublicDerice消防設施FR:Frequency Response 頻響FRD:Fire Resis tamt Damper 防火閥FRS:fire resistant shutter 防火卷簾 FSK:Frequency Shift Keying 移頻鍵控FSU:Fixed Subscriber Unit 單用戶固定臺 FTHD:Fixed temperatute Heat Detector 定溫控測器FTP:Foil TnistedPair金屬箔雙絞電纜F

21、TTB:FiberTo The BuildingCurb光纖到路邊光纖到大樓FTTC:Fiber To TheFTTH:Fiber To The Home 光纖至U家庭 FW:fire Wall防火墻FWHM:Full Width Half Maximum脈沖的半高寬度PACR Attonuation to Crosstalk Ratio 衰減與串擾比GAP:Gaussian (filtered)Frequency Shift Keying 高斯濾波頻移鍵控 TOPGBS:Glass Break Sensors 玻璃破碎傳感器GC:Generic Cabling 綜合布線GIB:Generic

22、 Information Block 通用信息模塊GNE:Gateway Network Element 網(wǎng)關GSM:Global System for Mobile communications 全球移動通信系統(tǒng) H:Hybrid 混合式TOPHCBS:High C Bus Servers Unit 高速 C總線服務單元HCS:Higher order Connection Supervision 高階連接監(jiān)視HD Heat Detecter 感溫探測器HDB3:High Density Bipolar of order 3code 高密度雙極性碼HDLC:High Data Link Co

23、ntrol 高級數(shù)據(jù)鏈路控制HDLC:High Digital Link Control 高級數(shù)據(jù)鏈路控制HDSL:High-bit -rate Digital Subscriber Link 高比特數(shù)字用戶鏈路HDTV:High Definition Television 高清淅度電視HEC:Header ErvorControl:信頭差錯控制域HEMS:High -levelEntity Management system高級實體管理系統(tǒng)HFC:Hybrid fibercoax光纖-同軸電纜混合系統(tǒng)HGRP:HomeOpticalNetwork華為公司專用協(xié)議HIFI:High Fidel

24、ity高保真度HIPPI:High Performance Parrallel Interface高性能并行接口HMP:Host monitoring protocol宿主機監(jiān)視協(xié)議HOA:High Order Assembler 高階組裝器HOAPID:High Order Path Access Point Identifier高階通道接入不敷出點標識符HOI:High Order Interface 高階接口HONET:HomeDpticalNetwork華為綜合業(yè)務接入網(wǎng)商標HO-TCM:High Order Tandem Connection Monitor 高階通道串聯(lián)連接監(jiān)控HO

25、VC:High Order Virtual Container 虛容器HPA:High order path Adaptation 高階適配HPC:High order path Connection 高階通道連接HPOM:High -order Path Overhead Monitor 高階通道開銷監(jiān)視器HPP:High -orderpath Protection 高階通道保護HP-RDI:HigherHP-REI:Higherorder path -Remote Defect Indication高階通道接收缺陷指示order Path-Remote ErrorIndication高階通

26、道遠端錯誤指示HPT:High orderpath Termination高階通道終端HRDS:Hypothetical Reference Digital Section 假設參考數(shù)字段HSUT:High -order path Supervision Unequipped Termination 高階通道監(jiān)控未裝裝載終HVAC:Heating Ventilation Air Conditioning 暖通空調(diào)HWS:Hot Water Supply熱水供應系統(tǒng)TOP1:1 ntefere nee串擾IA:lntruder Alarm 防盜報警ICMP:lnternetIDC:lnsucat

27、ionIDS:lndustrialControl Message Protocol 控制信息協(xié)議Displacement Connection絕緣層信移連接件Distribution System工業(yè)布線系統(tǒng)Fire Controller 照明智能控制器IFC:IntelligentILD:Inject Light Diode注入式激光二極管Matching阻抗匹配IM:ImpedanceIMA:InteractiveMultimedia Association交互式多媒體協(xié)議IM-DM:lntensityModulation-Direction Modulation 直接強度調(diào)制IN:lnf

28、ormationNetwork信息網(wǎng)IO : InformationOutlet信息插座IOS:IntelligentOut Station智能外圍站IPEI:InternationalPortableIPTU:lndoor Pan& TiltUnit國際移動設備標識號 室內(nèi)水平俯仰云臺IPUI:InternationalISD:IonizationUser Identity國際移動用戶標識號Smoke Detector離子感煙探測器PortableInformationITU:InternationalTechnology信息技術(shù)Telecommunications Union 國際電信聯(lián)盟

29、ITU-T:原名CCITT，是國際電信聯(lián)盟的一個委員會Tevevision 交互式電視lll:lnteractiveJJJ-Discussion conference system 即席發(fā)言系統(tǒng)L:Lens攝像機鏡頭LAN:Local Area Network 局域網(wǎng)LAPB Link Access Procedure-Balanced鏈路接入規(guī)程-平衡LAPD:Link Access Procedure D-channel D 信道鏈路訪問協(xié)議LCD: Liquid Crystal Display 液晶顯示屏LCL:Longituchinal Conrorsion Loss 縱模變換損耗LC

30、N:Local Communication Network 本地通信網(wǎng)TOPLCS:Lower order Connection Supervision 低階連接監(jiān)視LD:Laser Diode 激發(fā)二極管LE:Local Exchange 本地交換網(wǎng)LED:Light Emittirng Diode 發(fā)光二極管LIU : Lightguide Interconnection Unit 光纖互連裝置LLC:Logic Link Control Layer 邏輯鏈路控制層LLME:Low Layer Management Entity 低層管理實體LM:Lerel Modulation 電平調(diào)節(jié)

31、LNA:Low Noise Amplifier 低噪音放大器LOF:Loss Of Frame 幀丟失LOI:Low Order Interface 低階接口LOP:Loss Of Pointer 指針丟失LOS:Loss Of Signal 信號丟失LO-TCM:Low Order Tandem Connection Monitor 低階通道串聯(lián)連接監(jiān)視器LOVC:Low Order VirtualContainer 低階虛容器LPA:Lower order qath Adaptation 低階通道適配LPC:Lower order Path Connection 低階通道連接LPOM:Lo

32、w-order Path Overhead Monitor 低階通道開銷監(jiān)視器LPP:Low-order Path Protection 低階通道保護LPT:Lower order Path Termination 低階通道終端LSBCM:Laser Base Current Monitor 激光器偏流監(jiān)視LSUT:Low -order path Supervision Unequipped 低階通道監(jiān)控未裝載終端LTC:Londline Trunk Coutroller有線線路分配器LU: Line Unit 線路單元MAC:MediumAccess Control Layer 介質(zhì)訪問控制

33、層TOPMBMC:Multiple Burst Mode Controller多突發(fā)模式控制器MCF:Message Communication Function 消息通信功能MD:Mediation Device 中介設備MFPB:Multi-FrequencyPress Button 多頻按鍵MIB:Management Information Base 管理信息庫MIC： Mediu InterfaceConnector 介質(zhì)接口連接器MIO:Multiuser Information Outlet 多用戶信息插座MLM Multi-Longitudinal Mode 多縱模MM:Mob

34、ile Management 移動管理MMDS:Maltichanned Microware Distribution System 多路微波分配系統(tǒng)MMO:Multionedia Outlet 多媒體插座MN-NES:MN-Network Element System 網(wǎng)元管理系統(tǒng)MN-RMS:MN-Region Management System 網(wǎng)絡管理系統(tǒng)MO:ManagedObject 管理目標MSA:Multiplex Section Adaptation 復用段適配MS-AIS:Mutiplex Section-Alarm Indication Signal 復用段告警指示信號M

35、SOH:Multiplex Section Overhead 復用段開銷MSP:Multiplex Section Protection 復用段保護MS-RDI:Multiplex Section-Remote Defect Indication復用段遠端缺陷指示MST:Multiplex Section Termination 復用段終端MSU:Multi-Subscriber Unit 多用戶單元MTIE:Maximum Time Interval Error 最大時間間隔誤差MMM:Multiplexer 靈活復接器NNN:New DataFlag新數(shù)據(jù)標識NDFA:Niobium-Do

36、ped Fiber Amplifier摻鈮光纖放大器NE:Network Element 網(wǎng)元NEXT Near End Crosstalk 近端串擾NMS:Network Management System 網(wǎng)絡管理系統(tǒng)NNE:Non-SDHNetwork Element 非 SDH網(wǎng)元NNI:Network Node Interface 網(wǎng)絡節(jié)點接口NPI:Null Pointer Indication無效指針指示NWK:Network Layer 網(wǎng)絡層NZ-DSF:Non Zero-Dispersion Shift Fiber 非零散位移光纖OAM&P:Operation Admini

37、stration, Maintenance and Provisioning運行、管理、維護和預置OAM:Operation, Administration and Maintenance 操作、管理和維護OBFD Optical Beam Flame Detector 線型光速火焰探測器OC-N:Optical carrier level-N 光載波級 NOCR:Optical Character Recogmition 光學字符識別OEIC:Optoelectronic Integrated Circuit 光電集成電路OFA:Optical Fiber Amplifier光纖放大器OHP

38、:Overhead Processing 開銷處理OLT:Optical Line Terminal 光纖線路終端ON:Orerall Noise 總噪聲ONU:Optical Network Unit 光纖網(wǎng)絡單元OOF:Out Of Frame 幀失步OOP:Object Oriental Programming 面向?qū)ο蟪绦蛟O計OS:Operating System 操作系統(tǒng)OSC:Oscillator 振蕩器OSI:Open Systems Interconnection 開放系統(tǒng)互連TOPOTDK Optical Time Doman Reflectometer 光時域反射線 OTD

39、M:Optical Time Division Multiplexing 光時分復用 PA:Power Amphfier 功率放大器PA:Power Amplifier功率放大器PABX:Private Auntomatic Branch Exchange 程控數(shù)字自動交換機Paging :無線呼叫系統(tǒng)PAL:Pinhole Alc Lons針孔型自動亮度控制鏡頭PARK:Portable Access Rights Key移動用戶接入權(quán)限識別碼PAS:Public Address System公共廣播音響系統(tǒng)PBX:Private Brancn exchange 程控用戶交換機PC:Pan

40、unit&control云臺及云臺控制器PC:Proximinty Card 接近卡PCM:Pulse Code Modulation 脈沖編碼調(diào)制PCS:Personal Communication Service 個人通訊服務 PDFA:Praseodymium-Doped Fiber Amplifier摻鐠光纖放大器PDH:Plesiochronous digital Hierarchy 準同步數(shù)字系列 PDN:Public data network 公用數(shù)據(jù)網(wǎng)PDS:Premises Distribution Systemn建筑物結(jié)構(gòu)化綜合布線系統(tǒng) PF:Pressurization

41、Fan 加壓風機PG:Pressure Gradient 壓差式PID:Passire Infrared Detector 被動式紅外傳感器PJE:Pointer Justification Event 指針調(diào)整事件 PLC:Programmerable Logic Controller 可編程控制器 PM:Power Matching 功率匹配PMS:Prooerty Management system 資源管理系統(tǒng)PO:Pressure Operated 壓強式POH:Path Overhead 通道開銷PPI:PDH Physical InterfacePDH 物理接口Preamplif

42、ication:前置放大PRI:Primany Rate Interface 基群速率接口PRM:Patter Recogniton Method 模式識別法PSC:ProtectionSwitching Count 保護倒換計數(shù)PSD:Photoelectric Smoke Detector 光電感煙探測器PSD:ProtectionSwitching Duration 保護倒換持續(xù)時間PSK:Phase Shift Keying 移相鍵控PSNT Ponver Sum Next綜合近端串擾PSPDN:Packet switched Public Data Network 公眾分組交換網(wǎng)PS

43、TN:Public Switch Telephone Network 公用交換電話網(wǎng) PU:Pick Up 拾音器PVC:Polyvingl chloride聚氯乙烯PVCS:Public video conferring system 公用型會議電視系統(tǒng) PWS:Power system 電源系統(tǒng)-電信標準部TOPITU-T:lnternational Telecommunication Union-Telecommunication Sector 國際電信聯(lián)盟R:Receiver 終端解碼器R:Reverberator 混響器RC:Radio Communication 移動通信RC:Ro

44、oms Coefficient 房間系數(shù)RCU:Remote Control Units 終端控制器RDI:Remote Defect Indication遠端失效指示REG:Regenerator 再生器Resolution:清晰度RF:Radio Frequency 射頻RHE:Romote Head End 遠地前端RMC:Repeater Management Controller 天線信道控制器RMS:Root Mean Square 均方根值RMU:Redundancy Memory Unit 冗余存貯器RORTD:RateOf Rise Thermal Detector 差溫探測

45、器RR:Reverberation Radius 混響半徑RS:Reflected sound 反射場RSOH:Regenerator Section Ouerhead 再生段開銷RSSI:Radio Signal Strength IndicatorRST:Regenerator Section Termination再生段終端RSU:Remote Subscriber Unit 遠端用戶單元RT:Real Time 實時RT:Reverberation Time 混響時間TOPRWS:RemoteWorkstation 遠端工作站S:Sprinkler 分配器S:Stereo 雙聲道S:S

46、trike 電子門鎖SAA:Sound Absorption Ability吸聲能力SAR:Segmetation and reassembly sublayer 拆裝子層SATV:Sate Llite衛(wèi)星電視SBS:Synchronous Backbone System 同步信息骨干系統(tǒng)SBSMN:SBSSBS Management Network系列傳輸設備網(wǎng)管系統(tǒng)SC:Smart Card 智能卡SC:Subscriber Connector (Optial Fiber Connector)用戶連接器(光纖連接器)SC:Supervisong Center中央站監(jiān)控中心管理中心SCADA

47、監(jiān)控和數(shù)據(jù)采集軟件SCB:System Control Board 系統(tǒng)控制板SCC:System Control&Communication 系統(tǒng)通信控制SC-D:Saplex sc commector 雙 ISC 連接器SCD:Sound Console Desk 調(diào)度臺SCPC:Single Chnanel Per Carrier 衛(wèi)星回程線路SCS:Stractured Cabling System 結(jié)構(gòu)化布線系統(tǒng)SD:Signal Degraded 信號劣化SD:Smoke damper 排煙閥SD:Smoke Detector 感煙探測器SD:System Distortion 系

48、統(tǒng)失真SDCA:SynchronizationDCA同步數(shù)據(jù)通訊適配器SDMA:SpaeeDivision Multiplex Access 容分SDXC:Synchronous Digital Cross Connect 同少數(shù)字交叉連接SE:Sound Energy 聲能SEC:SDH Equipment Clock SDH 設備時鐘SED:Sound Energy Density 聲能密度SEEF:Smoke Extractor Exhaust Fan 排煙風機SEMF:Synchronous Equipment Management Function 同步設備管理功能SES:Sever

49、ely Errored Second 嚴重誤碼秒SESR:Severely Errlred Second Ratio 嚴重誤碼秒比率SETPI:Synchronous Equipment Timing Physical Interface同步設備定時物理接口SETS:Synchronous Equipment Timing Source 同步設備定時源SF:Spur Feeder分支線SF:SubscribersFeeder用戶線SFN:Sound FieldSFP:Sound FieldNonunifornity聲場不均勻度Processor 聲場處進器SI:Sound Installati

50、on音響設備SI:Sound Insulation 隔音SICS:Simultaneous Interpretation Conference system 同聲傳譯系統(tǒng)SIPP:Service Interface and protocol processing unit 業(yè)務接口和協(xié)議處理單元SLC:Sate llite Commumication 衛(wèi)星通信SLI:Synchronous Line Optical Interface 同步線路光口板SLIC:Subscriber Line Interface Controller 用戶線接口控制器SLM:Signal Label Mismat

51、ch 信號標記失配SM:Synchronous Multiplexer同步復用器SMF:System management function 系統(tǒng)管理功能SMS:SDH ManagementSub -Network SDH管理子網(wǎng)SNA:System Network Architecture 系統(tǒng)網(wǎng)絡建筑SNI:Service Node Interface 業(yè)務節(jié)點接口SNK:Sighal To Noise Ratio 信噪比SOA:Semiconductor Optical Amplifier 半導體光放大器SOH:Section Overhead 段開銷SONET:Synchronous

52、Optical Network 同步光網(wǎng)絡SPF:Service Port Function 業(yè)務口功能SPI:SDH Physical InterfaceSDH 物理接口SPL:Sound Pressure Level 聲壓級SRL:Stractural Return Loss 結(jié)構(gòu)器波損耗SS:Shock sensors 震動傳感器SS:Sound Source 音源SS:Sprinkler System自動噴水滅火系統(tǒng)SSB:Single Side Band 單邊帶調(diào)制SSM:Synchronous Status Message 同步狀態(tài)信息SSU:Scan and Signal Unit掃描及信號單元ST:Straight Tip直通式光纖連接器ST:Subscribers Tap 用戶分支器STB:Set -Top -Box 機項盒STC:Short -Term Card 計時票STE:Signali