digital voice transmission 中文意思是什麼

digital voice transmission 解釋
數字話音傳輸
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • voice : n 1 語聲；嗓音；鳴聲；〈比喻〉呼聲。2 發聲力，語言（力）；想說話的慾望。3 （學說、主義等的）代言...
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  1. To ensure the reliable transmission of voice and data, the channel encoding method which the digital trunking communication system uses is crc ( circle redundant code ) & rcpc ( rate - compatible punctured convolution code ) & interleave

    為了保障話音和數據的可靠傳輸，數字集群系統採用的通道編碼方案為crc + rcpc +交織。
  2. Telecommunications - telephone terminal equipment - transmission requirements for narrowband voice over ip and voice over pcm digital wireline telephones

    電信.電話終端設備.聲音大於ip和pcm數字有線電話的窄帶聲音的傳輸要求
  3. Gsm system is wholly digital, where voice and data at all speeds are digitized first and modulated to a serial of burst at last before transmission

    Gsm系統是全數字的，語音和不同速率的數據先數字化，最終調製成一串的突發脈沖發送出去。
  4. More importantly, the nature of technologies is shifting from analog to digital, semiconductor to micro processor, wired and fixed to wireless and movable, proprietary to open systems and from separate transmission voice “ dada ”, text and image to interactive motile media

    更重要的是是，技術的本質是將模擬技術轉變為數字技術，將半導體轉變為微處理器，將有線電信和固定電信轉變為無線電信和移動電信，將專有系統轉變為開放系統，將互為獨立的聲音、資料、文字和圖像傳播方式轉變為互動式的多媒體方式。
  5. Recent research projects : one, multi - carrier cofdm dvb - t mobile tv transmission system. second, the military, public security wireless digital voice encryption image transmission network

    公司最近研發項目：一dvb - t多載波cofdm移動電視傳輸系統。二部隊公安無線數字加密圖像語音傳輸網路
  6. The basic characteristics, framework, principles of dominant parts and application of those are studied and illustrated. at the last chapter, by devising a short - wave radio station aforementioned fundamental theories are put into practice especially digital modulation, demodulation, ddc and dug etc. the implement framework and design method of sdr are discussed by data transmission of voice including dug modulation in transmit module and ddc demodulation in receive module. moreover, satisfied results are obtained by validation on the sb3410 platform in bluewave system

    針對論文設計中用到的兩個比較重要的器件hsp50214b下變頻器和hsp50215上變頻器，作了較為深入的研究並給出了詳細的描述，包括基本特徵、框架結構、各主要部分原理及在設計中的應用；在最後一章，通過設計一個短波無線電臺，將前面的基礎理論尤其是數字調制、解調及數字上、下變頻等應用於實踐中，通過實例討論話音數據傳輸的軟體無線電實現結構及設計方法，包括發射模塊中的上變頻調制和接收模塊中下變頻解調等，並在bluewave系統的sb3410平臺上運行驗證，取得了較為滿意的結果。
  7. Integrated services digital network ( isdn ) - switched network providing end - to - end digital connection for simultaneous transmission of voice and / or data over multiple multiplexed communication channels and employing transmission that conforms to internationally - defined standards

    綜合服務數字網路- -是一種使用符合國際規定標準的開關網路，通過多路復合通訊頻道，提供端至端的數字連接，實現聲音或/和數據的同時傳送。
  8. Telecommunications - digital processing of voice - band signals - line format for 32 - kbit s adaptive differential pulse - code modulation channel - control templates and robbed - bit signaling alarm transmission

    電信.音頻信號的數字處理. 32 - kbit s自適應差動脈沖代碼調制adpcm用線路格式
  9. ; ansi t1. 302a - 92 telecommunications - digital processing of voice - band signals - line format for 32 - kbit s adaptive differential pulse - code modulation channel - control templates and robbed - bit signaling alarm transmission ; supplement t. 302a - 1992

    電信.音頻信號的數字處理. 32k位秒自適應差動脈沖代碼調制的行格式
  10. This thesis makes a research on the design and implementation of an underwater digital voice communications system, which can realize the high speed transmission of digital voice streams in real time and implement voice communications with a good quality

    本論文對水下數字語音通信系統的設計和實現進行了研究，開發了一套水下數字語音通信系統，該系統實時的實現水下數字語音的高速傳輸，並能完成高質量的語音通信。
  11. Cc iii will be built with a fully digital tetra radio platform and state - of - the - art communication and computer technologies to provide both voice and data transmission for emergency services

    這個系統適用於緊急服務，並設有完全加密數碼的全歐集群無線電標準系統平臺，採用尖端通訊及電腦科技傳送話音及數據。
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