英文縮略語 |
英文全稱 |
中文寓意 |
3C |
Computer Communication Control |
計(jì)算機(jī),通訊和控制 |
3C |
Control Communication Creation |
控制,通訊和創(chuàng)新 |
3G |
3 Generation |
第三代移動(dòng)通信 |
3R |
Regenration Reshaping Retiming |
再生、重整形和重定時(shí) |
3W |
World Wide Web |
萬維網(wǎng) |
4-level
FM |
4-level frequency modulation |
四電平調(diào)頻 |
A/D
|
Analogue to Digital Converter |
模數(shù)轉(zhuǎn)換 |
AA |
Auto Answer |
自動(dòng)應(yīng)答 |
AA |
Adaptive Antenna |
自適應(yīng)天線,一種天線提供直接指向目標(biāo)的波束,能夠隨目標(biāo)移動(dòng)自動(dòng)調(diào)整功率等因素,也稱為智能天線 |
AA |
Assert Acknowledge |
斷言應(yīng)答 |
AAA |
Authentication,Authorization,Accounting |
認(rèn)證、授權(quán)和計(jì)費(fèi) |
AAD |
Address Adder |
地址加法器 |
AB |
Arithmetic Bus |
運(yùn)算總線 |
AB |
Address Bus |
地址總線 |
ABC |
Automation of Bibliography through Computerzation |
計(jì)算機(jī)化自動(dòng)編目 |
ABR |
Available Bit Rate |
可用比特率 |
AC |
Address Carry |
地址進(jìn)位 |
AC |
Access Cycle |
存儲(chǔ)周期 |
AC
|
Authentication Centre |
鑒權(quán)中心 |
AC |
the Atlantic Cable |
大西洋海底電纜 |
AC |
Add Carry |
加法進(jìn)位 |
AC |
Access Code |
存儲(chǔ)碼 |
AC |
Access Control |
存儲(chǔ)控制 |
ACCH
|
Associated Control Channel |
隨路控制信道 |
ACD |
Automatic Call Distribution |
自動(dòng)呼叫分配 |
A-CDMA |
Asynchronous Code Division Multiple Access |
異步碼分多址 |
ACI |
Adjacent-Channel Interference |
鄰頻干擾 |
ACIR |
Adjacent Channel Interference Ratio |
鄰信道干擾比 |
ACK
|
ACKnowledgement |
確認(rèn) |
ACL
|
Asynchronous Connectionless Link |
異步無連接 |
ACLR |
Adjacent Channel Leakage Ratio |
鄰信道泄漏比 |
ACLR |
Adjacent Channel Leakage Power Ratio |
鄰信道泄漏功率比 |
acoustic
amplitude logger |
acoustic amplitude logger |
聲波幅度測井儀 |
ACP
|
Adjacent Channel Power |
鄰道功率 |
acquisition
time |
acquisition time |
取數(shù)據(jù)時(shí)間 |
ACR |
Allowed Cell Rate |
允許的信元率 |
ACR |
Average Cell Rate |
平均信元率 |
ACU
|
Antenna Combining Unit |
天線組合單元 |
ACU |
Acknowledgement Signal Unit |
證實(shí)信號(hào)單元表示正確地或錯(cuò)誤地接收到一個(gè)或幾個(gè)信號(hào)單元或信號(hào)消息的信號(hào)單元。 |
ACU |
Antenna Control Unit |
天線控制器 |
ADC |
Analog-to-Digital Converter |
摸數(shù)轉(zhuǎn)換器 |
ADC; DAMPS |
North America digital cellular system |
北美數(shù)字蜂窩系統(tǒng) |
ADFE |
Automatic Decree Feedback Equalizer |
自適應(yīng)判決反饋均衡器一種利用判決后的信號(hào)作為后向抽頭的輸入信號(hào),可以消除噪聲對(duì)后向抽頭信號(hào)的影響的均衡器技術(shù)。 |
ADM |
Add Drop Multiplexer |
分插復(fù)用器,一種新型的網(wǎng)絡(luò)單元,將同步復(fù)用單元和數(shù)字交叉連接功能綜合一體。 |
ADM |
Add-Drop Multiplexer |
上/下路復(fù)用器 |
ADPCM
|
Adaptive Differential Pulse Code Modulation |
自適應(yīng)差分脈沖編碼調(diào)制 |
ADR |
Analogue-Digital Recorder |
模擬-數(shù)字記錄器 |
ADR |
Address Digit Receiver |
數(shù)字地址接收器 |
ADR |
Advisory Route |
建議路由 |
ADR |
Analogue Data Recognition |
模擬數(shù)據(jù)識(shí)別 |
ADRC |
Automatic Call Distribution Remote Capture |
自動(dòng)呼叫分配(分布)遠(yuǎn)程截獲 |
ADSL |
asymmetric digital subscriber line |
不對(duì)稱數(shù)字用戶線 |
ADSL |
Asymetric Digital Subscriber Loop |
非對(duì)稱數(shù)字用戶環(huán)路技術(shù) |
ADSS |
All Dielectric self-support |
全介質(zhì)自承式光纜主要應(yīng)用在強(qiáng)電場合,其中抗張力的加強(qiáng)元不是金屬而是芳綸紗和玻璃纖維增強(qiáng)塑料(FRP)。 |
AEB |
Analog Expansion Bus |
模擬擴(kuò)展總線 |
AEIR |
Application Entity Installer and Remover |
應(yīng)用實(shí)體安裝和拆除 |
AFC |
Automatic Frequency Control |
自動(dòng)頻率控制 |
AFT |
Automatic Frequency Tune |
自動(dòng)頻率調(diào)諧 |
AG
|
Audio Gateway |
語音網(wǎng)關(guān) |
AGC |
Automatic Gain Control |
自動(dòng)增益控制 |
AGCH
|
Access Grant Channel |
允許接續(xù)信道 |
AIS |
Alarm Indication Signal |
告警指示信號(hào) |
AIUR |
Air Interface User Rate |
空中接口用戶速率 |
AJ |
Anti-Jamming |
抗干擾 |
AKA |
Authentication and Key Agreement |
鑒權(quán)和密鑰同意 |
alarm
summery panel |
alarm summery panel |
報(bào)警匯總畫面 |
ALC
|
Auto Level Control |
自動(dòng)電平控制 |
ALS |
Automatic Laser Shutdown |
自動(dòng)激光關(guān)閉在再生段光纜斷開的情況下,光纜線路系統(tǒng)上的ALS功能能夠自動(dòng)關(guān)閉激光器。 |
ALT |
Automatic Link Transfer |
自動(dòng)鏈路轉(zhuǎn)移 |
AM |
Amplitude Modulation |
振幅調(diào)制 |
AM/CM |
Administration Module/Communication Module |
管理/通信模塊 |
AM-ADDR
|
Active Member Address |
活動(dòng)的成員地址 |
AMI |
Aliernate Mark Inversion Code |
交替?zhèn)魈?hào)反轉(zhuǎn)碼 |
AMI |
Alternate Mark Inversion |
信號(hào)交替反轉(zhuǎn)碼一種數(shù)字傳輸中常用的編碼技術(shù),邏輯0由空電平表示,而邏輯1由交替反轉(zhuǎn)的正負(fù)電壓表示。 |
AMPS |
Aduanced Mobile Phone System |
高極移動(dòng)電話系統(tǒng) |
AMPS
|
Advanced Mobile Phone Institute |
先進(jìn)移動(dòng)電話業(yè)務(wù) |
AMR |
Automatic Meter Reading |
自動(dòng)抄表 |
AMR |
Adaptive Multi Rate |
自適應(yīng)多速率 |
AMRC |
Adaptive Multirate Codec |
自適應(yīng)多碼率編譯碼器 |
AN |
Access Node |
接入節(jié)點(diǎn) |
ANSI
|
American National Standard Institute |
美國國家標(biāo)準(zhǔn)局 |
AN-SMF |
AN system management function |
接入網(wǎng)系統(tǒng)管理功能 |
AN-SMF |
Access Network System Management Function |
接入網(wǎng)系統(tǒng)管理功能 |
ANT |
Antenna |
天線 |
AON |
Active Optical Network |
有源光網(wǎng)絡(luò),屬于一點(diǎn)對(duì)多點(diǎn)的光通信網(wǎng)絡(luò),由ONU、OLT和光纖傳輸線路組成 |
AON |
All Optical Net |
全光網(wǎng)就是網(wǎng)中直到端用戶節(jié)點(diǎn)之間的信號(hào)通道仍然保持著光的形式,即端到端的全光路,中間沒有光電轉(zhuǎn)換器。這樣,網(wǎng)內(nèi)光信號(hào)的流動(dòng)就沒有光電轉(zhuǎn)換的障礙,信息傳遞過程無需面對(duì)電子器件處理信息速率難以提高的困難。
|
AON |
All Optical Network |
全光纖網(wǎng)絡(luò) |
AOWC |
All Optical Wave Converter |
全光波長轉(zhuǎn)換器是指不經(jīng)過電域處理,直接把信息從一個(gè)光波長轉(zhuǎn)換到另一個(gè)波長的器件。 |
AP
|
Access Point |
接入點(diǎn) |
APD |
Avalanche Diode |
雪崩光電二極管利用雪崩倍增效應(yīng)使光電流得到倍增的高靈敏度的探測器。 |
APD |
Avalanche Photo Detector |
雪崩光電探測器 |
API
|
Application Programming Interface |
應(yīng)用編程接口 |
APOC
|
Advanced Paging Operator Code |
先進(jìn)尋呼操作碼 |
APON |
ATM Passive Optical Network |
無源光網(wǎng)絡(luò),一種結(jié)合ATM多業(yè)務(wù)多比特率支持能力和無源光網(wǎng)絡(luò)透明寬帶傳輸能力的理想長遠(yuǎn)解決方案。 |
APON |
ATM-Based PON |
ATM無源光網(wǎng)絡(luò)
|
APP |
A Posteriori Probability |
后驗(yàn)概率 |
APR |
Automatic Programming and Recording |
自動(dòng)程序設(shè)計(jì)與記錄 |
APR |
Automatic Position Reporting |
自動(dòng)位置報(bào)告 |
APS |
Automatic Protection Switching |
自動(dòng)保護(hù)倒換 |
APSK |
Absolute Phase Shift Keying |
絕對(duì)相移鍵控 |
AR |
Alternative Routing |
迂回路由選擇 |
AR |
Agent Request |
代理請(qǐng)求 |
AR |
Access Rate |
接入率 |
ARA |
Average Response Amplitude |
平均響應(yīng)幅度 |
AR-ADDR
|
Access Request Address |
訪問請(qǐng)求地址 |
ARB |
All Routes Busy |
路由全忙 |
ARC |
Alternative Route Cancel |
消除迂回路由 |
ARC |
Automatic Remote Control |
自動(dòng)遙控 |
ARDT |
Automatic Remote Data Terminal |
自動(dòng)遠(yuǎn)端數(shù)據(jù)終端 |
ARF |
Access to the Resources Function |
資源訪問功能 |
ARFCN |
Absolute Radio Frequency Channel Number |
完全的無線頻率信道號(hào)碼 |
ARFCN |
Absolute RF Channel Number |
絕對(duì)頻道號(hào)以整數(shù)表示的絕對(duì)射頻信道號(hào)。 |
ARI |
Access Rights Identity |
存取權(quán)識(shí)別 |
ARIB |
Association of Radio Industry Businesses |
無線行業(yè)企業(yè)協(xié)會(huì) |
ARL |
Acceptable Reliability Level |
合格的可靠性(標(biāo)準(zhǔn)) |
ARM |
Asynchronous Response Mode |
異步應(yīng)答方式 |
ARP |
Address Resolution Protocol |
地址解析協(xié)議 |
ARPA |
Advanced Research Projects Agency |
(美)高級(jí)研究計(jì)劃署
|
ARPANET |
Advanced Research Projects Agency Network |
美)高級(jí)研究計(jì)劃署網(wǎng)絡(luò),阿帕網(wǎng) |
ARPANET |
Advanced Research Projects Agency NETwork |
(美國國防部)高級(jí)研究規(guī)劃局網(wǎng)絡(luò)
|
ARPS |
Advanced Real-Time Processing System |
高級(jí)實(shí)時(shí)處理系統(tǒng) |
ARQ
|
Automatic Repeat Request |
自動(dòng)重復(fù)請(qǐng)求 |
ARS |
Address Resolution Server |
地址解析服務(wù)器 |
ART |
Alarm Reporting Telephone |
報(bào)警電話 |
ART |
Average Restoration Time |
平均恢復(fù)時(shí)間 |
AS |
Anti-Spoofing |
反電子欺騙通過對(duì)P碼進(jìn)行加密處理,防止非授權(quán)用戶干擾或使用P碼進(jìn)行高精度定位。 |
ASCI |
Advanced Speed Call |
GSM phaseII+ 標(biāo)準(zhǔn)指定的新業(yè)務(wù),其中包括優(yōu)先級(jí)業(yè)務(wù)(eMLPP)、話音廣播呼叫業(yè)務(wù)(VBS)和語音組呼叫業(yè)務(wù)(VGCS)等專用移動(dòng)通信的基本業(yè)務(wù) |
ASE |
Application Service Element |
應(yīng)用服務(wù)單元在單個(gè)應(yīng)用聯(lián)系上對(duì)一指定目的,為應(yīng)用實(shí)體啟用的互通提供能力的一組功能。(ISO 9545) |
ASEAT |
Autoregressive Spectral Estimation Acquisition Technique |
自回歸頻譜估計(jì)捕獲技術(shù) |
ASIC
|
Application Specific Integrated Circuit |
專用集成電路 |
ASK |
Amplitude Shift Keying |
振幅鍵控(幅移鍵控) |
ASK |
Amplitude Shift Keying,Amplitude Shift modulation |
幅移鍵控 |
ASN.1 |
Abstract Syntax Notation One |
抽象語法定義,在采用開放系統(tǒng)OSI通信協(xié)議中用來描述抽象語意的一種語言。 |
ASON |
Automatic Switched Optical Network |
自動(dòng)交換光網(wǎng)絡(luò) |
ASP |
Application Service Provider |
應(yīng)用服務(wù)提供商 |
ASR |
Automatic Send-Receiver |
自動(dòng)收發(fā)機(jī) |
ASR |
Automatic Send and Receive |
自動(dòng)收發(fā) |
ASR |
Automatic Speech Recognition |
自動(dòng)語音識(shí)別 |
ASR |
Answer Seizure Ratio |
應(yīng)答占用率 |
ASR |
Access Service Request |
訪問業(yè)務(wù)請(qǐng)求 |
ASRTE |
Alternative Select Route |
迂回選擇路由 |
ASTN |
Automatic Switched Transport Network |
自動(dòng)交換傳送網(wǎng) |
ATI |
Automatic Transmitter Identification |
自動(dòng)發(fā)射機(jī)識(shí)別 |
ATM |
Alternative Test Method |
(光纖、光纜)替代測試法(ATM) |
ATM |
asynachronous transfer model |
同步傳輸模式 |
ATM
|
Asynchronous Transfer Mode |
異步傳輸模式 |
ATME |
automatic transmission measuring and signalling testing equipment |
自動(dòng)傳輸測量和信令測試設(shè)備 |
ATPC |
Automatic Transfer Power Control |
自動(dòng)發(fā)信功率控制技術(shù)的要點(diǎn)是微波發(fā)信機(jī)的輸出功率在ATPC控制范圍內(nèi)自動(dòng)跟蹤接手段接收電平的變化而變化。它的優(yōu)點(diǎn)有可減少對(duì)相鄰系統(tǒng)的干擾、減少上衰減問題、減低直流功率消耗、改善剩余誤碼特性、在衰落條件下使輸出功率額外增加2dB。
|
ATR |
Asynchronous Transfer Region |
異步轉(zhuǎn)移(傳遞)區(qū) |
ATR |
Answer To Reset |
回答到復(fù)位 |
ATR |
Answering Time Recorder |
應(yīng)答時(shí)間記錄器 |
ATR |
Automatic Traffic Recorder |
自動(dòng)話務(wù)量記錄器 |
ATU |
Adapter Unit |
適配單元 |
ATU-C
|
ADSL transceiver unit,central office end |
ADSL局端發(fā)送接收單元
位于本地交換局一側(cè)的ADSL設(shè)備。 |
ATU-T |
ADSL transceiver unit,remote terminal end |
ADSL遠(yuǎn)端發(fā)送接收單元
位于用戶一側(cè)的ADSL設(shè)備。 |
ATU-T |
ADSL transceiver unit,remote terminal end |
ADSL遠(yuǎn)端發(fā)送接收單元
|
ATX
|
AteXternal |
是由Intel 公司首創(chuàng)以提升微機(jī)主板整體性能的新技術(shù),是一種背后的電腦機(jī)箱,主板,電源的結(jié)構(gòu)規(guī)范。 |
AU |
Access Unit |
訪問單元 |
AU |
Administrative Unit |
管理單元,提供高階通道層和復(fù)用段層之間適配功能的信息結(jié)構(gòu),它由高階VC和AUPTR組成。 |
AUC
|
Authentication Center |
鑒權(quán)中心 |
AUG |
Administrative Unit Group |
管理單元組 |
AUL |
Average Useful Life |
平均使用壽命 |
AU-n |
Administrative Unit-n |
管理單元 |
AVL
|
Average Voice Level |
平均話音電平 |
AVL |
Automatic Vehicle Location system |
自動(dòng)車輛定位系統(tǒng)車隊(duì)的某一車輛在規(guī)定區(qū)域內(nèi)活動(dòng)時(shí),可以自動(dòng)確定其位置并顯示其活動(dòng)路線的系統(tǒng)。它通常由定位分系統(tǒng)、數(shù)據(jù)傳輸分系統(tǒng)、控制和數(shù)據(jù)處理分系統(tǒng)等組成。
|
AWF |
All Wave Fiber |
全波光纖消除了光纖1383nm的水峰,這樣就在1350-1450nm波段能增加120多個(gè)新的波長(間隔100GHZ)。對(duì)于城市接入網(wǎng)的用戶十分有利。
|
AWG |
Array Waveguide Grating |
陣列波導(dǎo)光柵 |
AWG |
array wave guide |
陣列式波導(dǎo)光柵 |
AWGN |
Additive White Gaussian Noise |
加性高斯白噪聲 |
BA |
Booster(power) Amplifier |
光功率放大器可補(bǔ)償光復(fù)用器的損耗,提高入纖功率的光放大器。 |
BA |
Booster Amplifier |
光功率放大器,可補(bǔ)償光復(fù)用器的損耗,提高入纖功率的光放大器。 |
BAIC
|
Barring of All Incoming Calls supplementary service |
限制所有呼入呼叫的補(bǔ)充服務(wù) |
BAOC
|
Barring of All Outgoing Calls supplementary service |
限制所有呼出呼叫的補(bǔ)充服務(wù) |
BB
|
Baseband |
基帶 |
BBER |
Background Block Error Ratio |
背景誤塊比對(duì)于一個(gè)確定的測試時(shí)間而言,在可用時(shí)間出現(xiàn)的BBE數(shù)與扣除不可用時(shí)間和SES期間所有塊數(shù)的總塊數(shù)之比。 |
BBS |
Bulletion Board System |
電子公告欄 |
BC
|
Billing Center |
計(jì)費(fèi)中心 |
BCC
|
Base Transceiver Station (BTS) Colour Code |
基站代碼 |
BCCH
|
Broadcast Control Channel |
廣播控制信道 |
BCD
|
Binary Coded Decimal |
二進(jìn)制編碼的十進(jìn)制 |
BCH
|
Bose,Chaudhuri&Hocquenghem Type of code |
博斯-喬赫里-霍克文黑姆碼 |
BCH |
Broadcast Channel |
廣播信道 |
BCJR |
Bahl-Cocke-Jelinek-Raviv |
算法 |
BCP
|
BTS Control Processor |
BTS控制處理器
|
BDPSK |
Binary Differential Phase Shift Keying |
二相差分相移鍵控 |
BER |
BIT ERROR RATIO |
誤比特率二值信號(hào)的差錯(cuò)比值。注:過去慣稱為誤碼率。 |
BER
|
Bit Error Rate |
誤碼率 |
BFSK |
Binary Frequency Shift Keying |
二進(jìn)制頻移鍵控 |
BF或 BPF |
Band-pass Filter |
帶通濾波器 |
BG
|
Border Gateway |
邊緣網(wǎng)關(guān) |
BGP
|
Border Gateway Protocol |
邊緣網(wǎng)關(guān)協(xié)議 |
BGRAN |
Broadband Generalized Radio Access Network |
通用寬帶無線接入網(wǎng)絡(luò) |
BH |
Bury Heterogeneous |
掩埋異質(zhì)結(jié) |
BHCA |
Busy Hour call atternpt |
忙時(shí)呼叫 |
BHCA |
Busy hour call attempts |
一天中容納的最大話務(wù)量的一小時(shí)里,用戶試圖發(fā)起呼叫的平均次數(shù)。 |
BIC-Roam |
Barring of Incoming Calls when Roaming Outside the Home PLMN Country
|
當(dāng)漫游出歸屬PLMN國家時(shí),閉鎖入呼叫 |
BITEs |
Backward Interworking Telephone Events |
后向互通電話事件 |
BLADES |
Buffalo Laboratories Application of Digitally Exact Spectra |
數(shù)字化精確譜Buffalo實(shí)驗(yàn)室應(yīng)用(系統(tǒng)),一種獨(dú)立跳頻系統(tǒng) |
BLER |
Block Error Ratio |
塊誤碼率,誤塊率 |
BLER |
Block Error Rates |
塊誤碼率 |
Bluetooth |
Bluetooth |
藍(lán)牙(一種無線局域網(wǎng))標(biāo)準(zhǔn)由設(shè)備制造商聯(lián)合制定的一種覆蓋范圍10M,工作頻段在2.4G,傳輸速率大約1M的無線局域網(wǎng)標(biāo)準(zhǔn)。 |
BMU |
Basic Measurement Unit |
基本測量單位 |
BOIC-exHC |
Barring of Outgoing International Calls except those directed to the
Home PLMN Country |
除至歸屬PLMN國家外,閉鎖國際出呼叫 |
bps |
bits per second |
位每秒 |
Bps |
bytes per second |
比特每秒 |
BPSK |
Binary Phase Shift Keying |
二進(jìn)制相移鍵控 |
BPT
|
British Post and Telecommunication Standard |
英國郵政與電信標(biāo)準(zhǔn) |
BR |
Basic Rate |
基本速率,ITU-T定義為窄帶ISDN的一種速率,也稱為2B+D。 |
BR |
Binding Request |
綁定請(qǐng)求 |
BRA |
Basic Rate Access |
基群速率 |
BRAS |
Broadband Remote Acces Server |
寬帶接入服務(wù)器 |
BRAS |
Broadband Remote Access Server |
寬帶遠(yuǎn)程接入服務(wù)器 |
Brew |
Binary Runtime Environment for Wireless |
無線應(yīng)用下載 |
BRI |
Basic Rate Interface |
基群速率接口(北美和日本) |
BS
|
Base Station |
基站 |
BSC |
Binary Symmetric Channel |
二進(jìn)制對(duì)稱信道 |
BSC
|
Base Station Controller |
基站控制器 |
BSC
|
Base Site Controller |
基站控制器 |
BSID
|
Base Station Identity Code |
基站識(shí)別碼 |
BSMAP
|
BS Mobile Application Part |
基站移動(dòng)應(yīng)用部分 |
BSR |
Bootstrap Router |
引導(dǎo)路由器 |
BSS |
Broadcasting Satellite Service |
廣播衛(wèi)星業(yè)務(wù) |
BSS
|
Base Station System |
基站子系統(tǒng) |
BSSAP
|
Base Station System Application Part |
基站子系統(tǒng)應(yīng)用部分 |
BSSGP |
Base Station System GPRS Protocol |
基站子系統(tǒng)GPRS協(xié)議 |
BSSMAP
|
Base Station System Management Application Part |
基站子系統(tǒng)管理應(yīng)用部分 |
BT
|
Bandwidth Time |
帶寬時(shí)間 |
BTC |
block turbo codes |
分組turbo碼,是turbo碼一個(gè)新的發(fā)展方向 |
BTO |
Blocking-Tube Oscillator |
電子管間歇振蕩器 |
BTS
|
Base Transceiver Station |
基站收發(fā)信機(jī) |
C
Band |
4 GHz to 6 GHz |
C波段(4GHz到6GHz)
|
C
Band |
C Band |
C波帶
即工作波長在1525~1560nm范圍內(nèi),帶寬約35nm。 |
C
Container |
C Container |
C 容器
裝載各種速率業(yè)務(wù)信號(hào)的信息結(jié)構(gòu),表示為C-n(11,12,2,3,4),我國僅涉及C-12,C-3,C-4。容器的基本功能是完成適配,即碼速調(diào)整。
|
C/Ku-Band
Compatible |
C/Ku-Band Compatible |
C/K波段兼容
|
CA
|
Cell Allocation |
小區(qū)分配 |
CA0 |
Computer assisted ordering |
基于庫存和客戶需求信息,利用計(jì)算機(jī)進(jìn)行自動(dòng)訂貨管理的系統(tǒng)。 |
CAC
|
Channel Access Code |
信道訪問碼 |
CAD |
Computer Aided Design |
計(jì)算機(jī)輔助設(shè)計(jì) |
CAE |
Computer Aided Engineering |
計(jì)算機(jī)輔助工程 |
CAI |
Computer-assisted instruction |
計(jì)算機(jī)輔助教學(xué) |
CAM
|
Computer Aided Manufacturing |
計(jì)算機(jī)輔助制造 |
CAMEL |
Customized Applications for Mobile network Enhanced Logic |
移動(dòng)網(wǎng)絡(luò)增強(qiáng)邏輯的客戶化應(yīng)用 |
CAP |
Carrierless Amplitude and Phase Modulation |
無線波調(diào)幅與調(diào)相 |
CAS |
Channel Associated Signaling |
隨路信令 |
CAS |
Conditional Access System |
條件接收系統(tǒng) |
CATV |
Cable Antenna Television |
有線電視利用通信線路向用戶提供電視節(jié)目等信息的系統(tǒng)。 |
CATV |
"Cable Television" OR "Community Antenna Television"
|
有線電視 |
CB
|
Cell Broadcast |
小區(qū)廣播 |
CBR |
Constant Bit Rate |
固定比特率 |
CBSR |
Candidate BSR |
后選BSR |
CC |
Copper Cable |
銅線電纜 |
CC
|
Country Code |
國家碼 |
CC
|
Call Control |
呼叫控制 |
CCBS |
Completion of Call to Busy Subscribers |
對(duì)忙時(shí)用戶的再呼叫 |
CCCH
|
Common Control Channel |
公用控制信道 |
CCH
|
Control Channel |
控制信道 |
CCIR
|
International Radio Consultative Committee |
國際無線電咨詢委員會(huì) |
CCITT
|
International Telegraph and Telephone Consultative Committee |
國際/電報(bào)咨詢委員會(huì) |
CCITT |
Consultative Committee, International Telegraph and Telephone |
國際電報(bào)電話咨詢委員會(huì) |
CCP
|
Call Control Processor |
呼叫控制處理器 |
CCR |
Continuity-check--request signal |
請(qǐng)求導(dǎo)通檢驗(yàn)信號(hào) |
CCS |
Common Channel Signaling |
共路信令 |
CCTrCH |
Coded Composite Transport Channel |
編碼合成傳輸信道 |
CD-I |
CDInteractive |
交互式光盤 |
CDMA
|
Code Division Multiple Access |
碼分多址 |
CDPD
|
Cellular Digital Packet Data |
蜂窩分組數(shù)據(jù)系統(tǒng) |
CDR
|
Call Detail Record |
呼叫詳細(xì)記錄 |
CD-ROM |
Compact Disk Read Only Memory |
只讀CD存儲(chǔ)器 |
CDTV |
Commodore Dynamic Total Vision |
Commodore公司的動(dòng)態(tài)全視視盤 |
CDVT |
Cell Delay Variation Tolerance |
信元時(shí)延變化容限建立ATM連接時(shí)業(yè)務(wù)合約中的一項(xiàng)參數(shù),表示某ATM連接在指定接口處允許的最大的信元時(shí)延變化。 |
CEIR
|
Central Equipment Identitity Rejester |
中心設(shè)備識(shí)別寄存器 |
CELP |
Code Excited Linear Prediction |
碼激線性預(yù)測 |
CEPT
|
Conference of European Post and Telecommunication Administrations |
歐洲郵電行政會(huì)議 |
CERNET |
CHINA Education Research Network |
中國教育科研網(wǎng)絡(luò) |
CFNRc |
Call Forward when No Reachable |
遇移動(dòng)以后不可及呼叫前轉(zhuǎn) |
CFNRy |
Call Forward when No Reply |
無應(yīng)答呼叫前轉(zhuǎn) |
CFNRy |
Call Forwarding on No Reply |
無應(yīng)答呼叫前轉(zhuǎn) |
CFR |
COST AND FREIGHT |
成本加運(yùn)費(fèi) |
CFS |
Container freight station |
拼箱貨物拆箱、裝箱、辦理交接的場所 |
CFU |
Call Forwarding Unconditional |
無條件呼叫前轉(zhuǎn) |
CG
|
Charging Gateway |
計(jì)費(fèi)網(wǎng)關(guān) |
CGA |
Color Graphic Adapter |
彩色圖形適配器 |
CGF
|
Charging Gateway Function |
計(jì)費(fèi)網(wǎng)關(guān)功能 |
CGI |
Common Gateway Interface |
公用網(wǎng)關(guān)接口 |
CGM |
Circuit group supervision message |
電路群監(jiān)視消息 |
CGSA |
Cellular Geographic Service Area |
蜂窩地理服務(wù)區(qū)域,即系統(tǒng)運(yùn)營商有權(quán)覆蓋的范圍。 |
CHESS |
Correlated Hopping Enhanced Spread Spectrum |
增強(qiáng)型相關(guān)跳頻擴(kuò)頻 |
Chirp |
Chirp |
啁啾當(dāng)單縱模激光器工作于直接調(diào)制時(shí),注入電流的變化會(huì)引起載流子密度的變化,進(jìn)而使有源區(qū)的折射率指數(shù)發(fā)生變化,結(jié)果使激光器諧振腔的光路徑長度隨之變化,從而導(dǎo)致振蕩波長隨時(shí)間漂移。一般需要采用外調(diào)制技術(shù)克服。
|
CHS |
cylinder/head/sector |
(磁盤的)柱面/磁頭/扇區(qū) |
CI |
Command Identifier |
命令標(biāo)識(shí)符 |
CIF |
COST,INSURANCE AND FREIGHT |
成本加運(yùn)保費(fèi) |
CIP |
CARRIAGE AND INSURANCE PAID TO |
運(yùn)費(fèi)、保險(xiǎn)費(fèi)付至 |
CIR
|
Carrier to Interference Ratio |
載波干擾比(載干比〕 |
CIRC |
Cross-interleave Reed-Solomom Code |
交叉交織RS編碼 |
CLIR |
Calling Line Identification Restrication |
主叫號(hào)碼識(shí)別限制 |
CLIR |
Calling Line Identification Restriction |
主叫線識(shí)別限制 |
CMIP |
Common Management Interface Protocol |
公共管理接口協(xié)議 |
CMIP |
Common Management Information Protocol |
公共管理信息協(xié)議,是OSI網(wǎng)絡(luò)管理協(xié)議 |
CMIS |
Common Management Information Service |
公共管理信息服務(wù) |
CMISE |
Common Management Information Service Element |
公共管理信息服務(wù)元素 |
CMOS |
Complementary Metal Oxide Semiconductor |
互補(bǔ)金屬氧化物半導(dǎo)體 |
CMRS
|
Cellular Mobile Radiotelephone Service |
蜂窩式移動(dòng)無線電話業(yè)務(wù) |
CMTS |
Cable Modem Termination System |
電纜調(diào)制調(diào)器終結(jié)系統(tǒng) |
CN
|
Core Network |
核心網(wǎng) |
CNR |
(C/N )(Carrier to Noise Ration) |
載噪比 |
CNR |
Carrier to Noise Ratio |
載噪比,在沒有經(jīng)過任何調(diào)制之前,載波電平與噪聲電平之比。作 C/N |
CO |
Central Office |
中心局 |
CODEC |
(codec)(Coder-Decode) |
編解碼器 |
CODEC
|
Coder Decoder |
編解碼器 |
COF
|
Ciphering Offset |
加密補(bǔ)償 |
COFDM |
Coded Orthogonal Frequency Devision Multiplexing |
編碼正交頻分復(fù)用 |
CoLR |
Connected Line Identification Restriction |
被叫線識(shí)別限制 |
COMSAT |
Communications Satellite Corporation |
美國通信衛(wèi)星公司 |
COMSAT |
Communication Satellite Corp. |
(美)通信衛(wèi)星公司 |
COO |
Cell Of Origin |
源小區(qū) |
CORBA |
Common Object Request Broker Architecture |
公共對(duì)象請(qǐng)求代理體系結(jié)構(gòu) |
COR-PSK |
Correlative Phase Shift Keying |
相關(guān)相移鍵控 |
COT |
Central Office Terminal |
局端機(jī) |
CP |
Circular Polarization |
圓極化 |
CP |
Cross Polarization |
交叉極化。兩個(gè)天線系統(tǒng)使用相同的頻率,但一個(gè)使用水平極化而另一個(gè)使用垂直極化,提高頻譜利用率。 |
CPFSK |
Continuous Phase Frequency Shift Keying |
連續(xù)相位頻移鍵控 |
CPM |
Continuous Phase Modulation |
連續(xù)相位調(diào)制 |
CPT |
CARRIAGE PAID TO |
運(yùn)費(fèi)付至 |
CPU |
Central Processing Unit |
中央處理器 |
CPW |
Circular Polargation Wave |
圓極化波 |
CQT
|
Call Quality Test |
呼叫質(zhì)量撥打測試 |
CR |
Call Reference |
呼叫參考值 |
CR
|
Connect Request |
連接請(qǐng)求 |
CRA |
Circuit group Reset--Acknowledgement message |
電路群復(fù)原證實(shí)消息 |
CRC
|
Cyclic Redundancy Check |
循環(huán)冗余校驗(yàn)碼 |
CRC |
Cyclic Redundancy Code |
循環(huán)冗余編碼 |
CRP |
Continuous replenishment program |
連續(xù)庫存補(bǔ)充計(jì)劃 |
CRS |
Circuit group Reset message |
電路群復(fù)原消息 |
CS
|
Circuit Switched |
電路交換 |
CS |
Communication Satellite |
通信衛(wèi)星 |
CSA |
Carrier Service Area Or Carrier Serving Area |
電信公司服務(wù)區(qū)或營運(yùn)服務(wù)區(qū)指美國的電信體制,是由多家私營公司競爭經(jīng)營,每一市話公司各有其營業(yè)區(qū)(LATA),在此營業(yè)區(qū)內(nèi)設(shè)有若干中心局(central
officE,CO )。 |
CSA |
Carrier Service Area Or Carrier Serving Area |
電信公司服務(wù)區(qū)或營運(yùn)服務(wù)區(qū) |
CS-ACELP |
Conjugate Structure-Algebraic Code Excited Linear Prediction |
共扼結(jié)構(gòu)—代數(shù)碼激勵(lì)線性預(yù)測編碼 |
CSC
|
Cell Site Controllor |
小區(qū)控制器 |
CSCW |
Computer Supported Cooperative Work |
計(jì)算機(jī)支持的協(xié)同工作 |
CSMA |
Carrier Sense Multiple Access |
載波檢測多址(CSMA) |
CSMA/CA |
Carrier Sense Multiple Access with Collision Avoidance |
載波偵聽多址接入/避免沖撞協(xié)議由于無線產(chǎn)品不易檢測信道是否存在沖突,因此802.11定義了一種新的協(xié)議,即(CSMA/CA)。一方面,載波偵聽--查看信道是否空閑;另一方面,避免沖撞--信道不空閑時(shí),通過隨機(jī)的時(shí)間等待,直到有新的空閑信道出現(xiàn)時(shí)再優(yōu)先發(fā)送,使信號(hào)沖突發(fā)生的概率減到最小。
|
CSMA/CD |
Carrier Sense Multiple Access with Collision Detection |
載波偵聽多址接入/碰撞檢測協(xié)議一種應(yīng)用于有線局域網(wǎng)的多址接入技術(shù)。 |
CSMF |
Common Single Mode Fiber |
單模光纖滿足ITU-T.G.652要求的單模光纖,常稱為非色散位移光纖,其零色散位于1.3um窗口低損耗區(qū),工作波長為1310nm(損耗為0.36dB/km)。我國已敷設(shè)的光纖光纜絕大多數(shù)是這類光纖。隨著光纖光纜工業(yè)和半導(dǎo)體激光技術(shù)的成功推進(jìn),光纖線路的工作波長可轉(zhuǎn)移到更低損耗(0.22dB/km;
mso-hansi-font-family:"Times New Roman"'>)的1550nm光纖窗口。 |
CSPDN |
Circuit Switched Public Data Network |
電路交換公共數(shù)據(jù)網(wǎng) |
CT |
Call Transfer |
(對(duì)第三者)呼叫轉(zhuǎn)移 |
CT-2
|
Cordless Telephone System Second Generation |
第二代無繩電話系統(tǒng) |
CTI |
Computer Telecommunication Integration |
計(jì)算機(jī)電信集成 |
CTI |
Computer Telephony Integration |
計(jì)算機(jī)通訊集成 |
CTIA
|
Cellular Telecommunications Industry Association |
蜂窩電信工業(yè)協(xié)會(huì) |
|
Cordless Telephony Profile |
無繩電話應(yīng)用 |
CTP |
computer to print |
計(jì)算機(jī)直接印刷 |
CTR
|
Common Technical Regulation |
通用技術(shù)規(guī)定 |
CTS |
communications and trackingsubsystem |
通信及跟蹤子系統(tǒng) |
CUG |
Closed User Group |
閉合用戶群 |
CVSD
|
Continuous Variable Slope Delta Modulation |
連續(xù)可變斜率增量調(diào)制 |
CVSD |
Continuously Variable Slope Delta modulation |
連續(xù)可變斜率增量調(diào)制是增量調(diào)制的一種改進(jìn)方法 |
CW |
Call Waiting |
呼叫待時(shí)在通信過程中,保留原有的通信對(duì)方,應(yīng)答新入呼信號(hào)的功能。 |
CW |
continuous wave(transmission) |
連續(xù)波傳輸 |
D/A |
Digital/Analog Conversion |
數(shù)字模擬轉(zhuǎn)換 |
D/C |
Down Convertor |
下變頻器 |
DAB |
Digital Audio Broadcast |
數(shù)字音頻廣播 |
DAC
|
Device Access Code |
設(shè)備訪問碼 |
DAC |
Digital-to-Analog Conventer |
數(shù)模轉(zhuǎn)換器 |
DAC
|
Digital to Analogue Converter |
數(shù)模轉(zhuǎn)換 |
DAF |
DELIVERED AT FRONTIER |
邊境交貨 |
DAMA |
Demand Assignment Multiple Access |
按申請(qǐng)分配-多址聯(lián)接 |
DAMPS
|
Digital Advanced Mobile Phone System |
數(shù)字先進(jìn)移動(dòng)電話系統(tǒng) |
D-AMPS |
Digital-Advanced Mobile Phone System |
北美數(shù)字式進(jìn)階移動(dòng)電話系統(tǒng) |
DAP |
Digital Access Protocol |
數(shù)字 訪問 協(xié)議 |
DAV |
Data Above Voice (transmission) |
話上數(shù)據(jù)傳輸 |
DAVID |
Digital Audio/Video Interactive Decoder |
數(shù)字音頻/視頻交互式譯碼器 |
dB |
deciBel |
分貝,表示對(duì)數(shù)比例值 |
DBF |
Digital Beam Forming |
數(shù)字波束行成 |
dBi |
dB antenna gain relative to anisotroppoc source |
天線的增益(相對(duì)于各向同性輻射源 |
DBR |
Distribute Bragg Reflection |
分布布拉格反射 |
DBS |
Direct Broadcasting Satellite Service |
直播衛(wèi)星業(yè)務(wù) |
DBS |
Direct Broadcast Satellite |
直播衛(wèi)星 |
dBW |
dB power relative to one mili watt |
相對(duì)于1W的功率的dB值 |
DC |
Direct Current |
直流 |
DCA |
Dynamic Channel Assignment |
動(dòng)態(tài)信道分配 |
DCCH
|
Dedicated Control Channel |
專用控制信道 |
DCCH
|
Digital Control Channel |
數(shù)字控制信道 |
DCE
|
Data Circuit-Terminating Equipment |
數(shù)據(jù)電路端接設(shè)備 |
DCE/DTE |
data terminal equipment/ data circuit terminating equipment |
數(shù)據(jù)終端設(shè)備/數(shù)據(jù)電路終端設(shè)備 |
DCF |
Dispersion Compensating Fiber |
色散補(bǔ)償單模光纖是具有大的負(fù)色散光纖,這類光纖是針對(duì)已敷設(shè)的1310nm設(shè)計(jì)的一種新型的光纖。在G.652光纖中加入一定的色散補(bǔ)償光纖,進(jìn)行色散補(bǔ)償,以保證整條光纖線路的總的色散進(jìn)似為零。
|
DCF |
Dispersion Compensation Fiber |
色散補(bǔ)償光纖 |
DCH |
Dedicated Channel |
專用信道 |
DCI
|
Default Check Initialization |
缺省的檢錯(cuò)初始值 |
DCME-ADPCM |
Digital Circuit Multiplication Equipment Adaptive Differential Pulse
Code Modulation |
數(shù)字電路倍增設(shè)備—自適應(yīng)差分脈沖編碼調(diào)制是ITU-T G.723語音編碼標(biāo)準(zhǔn)算法,這種算法可以在40kbit/s、32kbit/s和24kbit/s三種速率中動(dòng)態(tài)調(diào)整,以達(dá)到在給定的信道中增加容量的目的。
|
DCN
|
Data Communication Network |
數(shù)據(jù)通信網(wǎng) |
DCS |
Digital Cross-connect System |
數(shù)字交叉連接系統(tǒng) |
|
Digital Cellular System at 1800MHz |
1800MHz數(shù)字蜂窩系統(tǒng) |
DDL |
Double Dither Loop |
雙抖動(dòng)環(huán) |
DDN |
Digital Data Network |
數(shù)字?jǐn)?shù)據(jù)網(wǎng) |
DDN
|
Digital Date Network |
數(shù)字?jǐn)?shù)據(jù)網(wǎng) |
DDP |
DELIVERED DUTY PAID |
完稅后交貨 |
DDS |
Direct Digital Synthesizer |
直接數(shù)字式頻率合成器 |
DDU |
DELIVERED DUTY UNPAID |
完稅前交貨 |
DECT |
Digital Enhanced Cordless Telecommunication |
數(shù)字增強(qiáng)型無繩通信 |
DECT
|
Digital Enhanced Cordless Telecommunications |
數(shù)字增強(qiáng)無繩電話 |
DECT |
Digital European Cordless Telephone |
泛歐數(shù)字無繩電話系統(tǒng) |
Demod |
Demodulation |
解調(diào) |
DEMUX |
De-Multiplexer |
解復(fù)用器 |
DES |
DELIVERED EX SHIP |
船上交貨 |
DFB |
Distributed Feedback |
分布反饋 |
DFF |
Dispersion-flattened Fiber |
色散平坦光纖將從1.3um到1.55um的較寬波段的色散,都能作到很低,幾乎達(dá)到零色散的光纖。 |
DFH |
Differential Frequency Hopping |
差分跳頻 |
DFT |
Discrete Fourier Transform |
離散傅立葉變換 |
DG |
Differential Gain |
微分增益 |
DGPS |
Difference Global Positioning System |
差分全球定位系統(tǒng) |
DH
|
Data-High Rate Data |
高速率數(shù)據(jù) |
DH |
Double Heterogeneous |
雙異質(zhì)結(jié) |
DHCP
|
Dynamical Host Configure Protocol |
動(dòng)態(tài)主機(jī)配置協(xié)議 |
DHCP |
Dynamic Host Configuration Protocol |
動(dòng)態(tài)宿主配置協(xié)議 |
DHTML |
Dynamic HTML |
動(dòng)態(tài)HTML文件 |
DIAC
|
Devoted Inquiry Access Code |
專用查詢識(shí)別碼 |
dielectric
test |
dielectric test |
介質(zhì)試驗(yàn)絕緣試驗(yàn) |
DIY |
do it yourself |
自己動(dòng)手作 |
DL
|
Data Link (layer) |
數(shù)據(jù)鏈路層 |
DLC |
Digital Loop Carrier |
數(shù)字用戶線路倍增器 |
DLL
|
dynamic link library |
動(dòng)態(tài)鏈接庫 |
DLL |
Delay-Locked Loop |
延遲鎖定環(huán) |
DM
|
Data-Medium Rate Data |
中速率數(shù)據(jù) |
DMA |
Direct Memory Access |
直接存儲(chǔ)器存取 |
DMC |
Discrete Memoryless Channel |
離散無記憶信道 |
DMT |
discrete multitone |
離散多載波 |
DNS
|
Domain Name System |
域名系統(tǒng) |
DNS |
Domain Name System Server |
域名服務(wù)器 |
DoCoMo |
Do Communication More |
溝通更多一種移動(dòng)通訊創(chuàng)新服務(wù)模式 |
DOCSIS |
Data over Cable Sevice Interface Specification |
電纜數(shù)據(jù)業(yè)務(wù)接口規(guī)范 |
Domsat |
Domestic Communi-Salellile |
國內(nèi)通信衛(wèi)星 |
DPCCH |
Dedicated Physical Control Channel |
專用物理控制信道 |
DPDCH |
Dedicated Physical Data Channel |
專用物理數(shù)據(jù)信道 |
Dpi |
dots per inch |
每英寸點(diǎn)數(shù) |
DPN
|
Digtial Packet Network |
數(shù)字分組網(wǎng) |
DPSK |
Differential Phase Shift Keying |
差分相移鍵控 |
DPT |
Dynamic Packet Transport |
動(dòng)態(tài)包傳輸技術(shù)。這是CISCO公司提出的一種全新的傳輸方法-IP優(yōu)化的光傳輸技術(shù)。這種技術(shù)提供了帶寬使用的高效率、服務(wù)類別的豐富性以及網(wǎng)絡(luò)的高級(jí)自愈功能。
|
DPT
|
DPT |
動(dòng)態(tài)包傳輸 |
DPX |
Diplexer |
雙工器 |
DQPSK |
Differential Quadrature Phase Shift Keying |
差分四相相移鍵控 |
DR |
Diversity Receiver |
分集接收分集接收就是將相關(guān)性較小的(即同時(shí)發(fā)生質(zhì)量惡化的)兩路以上的收信機(jī)輸出進(jìn)行選擇或合成,來減輕由衰落所造成的影響的一種措施。具體又可以分為空間分集、頻率分集、極化分集、角度分集等不同的方式。
|
DRP |
Distribution requirements planning |
配送需求計(jì)劃 |
DRP |
Distrlbution resource planning |
配送資源計(jì)劃 |
DRS |
DIGITAL REFERENCE SEQUENCE |
數(shù)字參考序列是規(guī)定的PCM碼字序列。把它加到一個(gè)理想的PCM解碼器上,能夠在特定測試參考頻率上產(chǎn)生dBm0正弦參考信號(hào)。 |
DRS
PCM |
RCM DIGITAL REFERENCE SEQUENCE |
數(shù)字參考序列 |
DRX
|
Discontinuous Reception |
非連續(xù)的接收 |
DS |
Digital Section |
數(shù)字段 |
DSA |
Digital Signature Algorithm |
數(shù)字簽名算法 |
DSB |
double sideband |
雙邊帶 |
DSCH |
Dedicated Shared CHannel |
專用共享信道 |
DSF |
Dispersion-Shifted Fiber |
色散移位光纖稱為1550nm性能最佳單模光纖,這種光纖通過設(shè)計(jì)光纖折射率剖面,使零色散移到1550nm窗口,從而與光纖的最小率減窗口獲得匹配,使超高速超長距離的傳輸成為可能。
|
DSI |
Digital Speech Interpolation |
數(shù)字話音插空 |
DSL |
Digital Subscriber Line |
數(shù)字用戶線 |
DSP |
Digital Signal Processor |
數(shù)字信號(hào)處理器 |
DSP |
device stop |
設(shè)備停止 |
DSSS |
Direct Sequence Spread Spectrum |
直接序列擴(kuò)頻 |
DST |
device start |
設(shè)備啟動(dòng)使指定的終端設(shè)備啟動(dòng)。 |
DSU |
Digital Service Unit |
數(shù)字業(yè)務(wù)單元 |
DSU-R |
Digital Service Unit-Radio |
用戶無線數(shù)字業(yè)務(wù)單元是雙向數(shù)字用戶無線線路中連接終端的終接設(shè)備,可進(jìn)行終端--網(wǎng)絡(luò)的信號(hào)變換以及信號(hào)傳送。 |
DT
|
Data Terminal |
數(shù)據(jù)終端 |
DTAM |
Document Transfer And Mainpulation user |
文件傳送和管理操作用戶 |
DTAP |
Direct Transfer Application Part |
直接傳送應(yīng)用部分 |
DTCH |
Dedicated Transmission CHannel |
專用傳輸信道 |
DTE
|
Data Terminal Equipment |
數(shù)據(jù)終端設(shè)備 |
DTH |
Directive To Home |
直接到家 |
DTM |
Dynamic Synchronous Transfer Mode |
動(dòng)態(tài)同步傳送模式。一種基于高速電路交換和動(dòng)態(tài)時(shí)隙分配的新技術(shù)。作為第二層的交換/傳輸技術(shù),DTM具有更強(qiáng)的帶寬管理能力,以適應(yīng)光纖帶寬的不斷擴(kuò)展。
|
DTMF |
Dual-Tone Multifrequency System |
雙音多頻制 |
DTMF
|
Dual-Tone Multifrequency Signaling |
雙音多頻信號(hào) |
DTS |
DIGITAI TEST SEQUENCE |
數(shù)字測試序列 |
DTS |
Digital Test Sequence |
數(shù)字測試序列 |
DTX
|
Discontinuous Transmission |
非連續(xù)發(fā)信 |
DUT
|
Device Under Test |
測試中設(shè)備 |
DUV |
Data Under Voice (transmission) |
話下數(shù)據(jù)傳輸 |
DUV
|
Data Under Voice(transmission) |
話下數(shù)據(jù)傳輸 |
DV |
Data Voice |
數(shù)據(jù)語音 |
DVB
|
Digital Video Broadcasting |
數(shù)字視頻廣播 |
DVD |
Digital Video Disk |
數(shù)字多功能光盤 |
DW |
Device Wait |
設(shè)備等待使指定的終端設(shè)備暫停。 |
DWDM |
Dense Wavelength Division Multiplexing |
密集波分復(fù)用 |
DWDM |
Dense Wave length Division Multiplexing |
密集波分復(fù)用是利用不同波長的光波可在同一根光纖內(nèi)互不干擾的傳輸這一特性實(shí)現(xiàn)多路復(fù)用的技術(shù)。 |
DWDM |
Dense Wavelength Division Multiplexer |
高密度波長多工分工器 |
DXC |
Digital cross connect equipment |
數(shù)字交叉連接器具有一個(gè)或多個(gè)準(zhǔn)同步數(shù)字體系(G.702)或同數(shù)字體系(G.707)信號(hào)端口的,可以在任何端口信號(hào)速率(及其子速率)間進(jìn)行可控連接和再連接的設(shè)備。
|
DXC |
Digitak Cross Connect Equipment |
數(shù)字交叉連接器。具有一個(gè)或多個(gè)準(zhǔn)同步數(shù)字體系或同步數(shù)字體系信號(hào)端口,可以在任何端口信號(hào)速率(及其子速率)間進(jìn)行可控連接和再連接的設(shè)備。
|