digital voice system 中文意思是什麼

digital voice system 解釋
數字話音系統
  • 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...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Ip voice gateway is a node between the communication control unit and the server of trunking system in trunking system network. its duty is digital compress coding and packetization of the voice in trunking system. it located on the edge of the network and accessed the trunking system into ip network from the kernel network angle

    語音網關作為集群通信系統ip聯網的關鍵設備，它處于集群系統話路控制單元和集群系統服務器之間，起著語音壓縮、分組傳輸的重要作用;從網路的角度來看，它處于ip網路和集群無線通信系統之間，把集群通信系統接入ip網路。
  2. 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。
  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. 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
  5. Adsl technology can literally transform the existing public information network from one limited to voice, text and low - resolution graphics to a system capable of bringing simultaneous switched digital video and other advanced, interactive services to everyone ' s office or home

    Adsl技術確確實實地能把現有的、局限於傳輸聲音、文本和低解析度圖形的公共信息網改造成能同時將交換的數字視頻和其它高級互動式服務帶到每個人的辦公室或家庭的系統。
  6. The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal

    混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。
  7. 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。
  8. The fcs system consists of a record module which records alarms data and manages bus communication affairs, analogue input modules, analogue output modules, digital output modules, and a voice alarm module. with other modules also scheduled, each is developed with embedded mcu lpc2119 of which the function interfaces are extended

    本文研製基於canbus的fcs系統，有記錄報警和管理功能的記錄模塊，模擬量輸入模塊、模擬量輸出模塊、開關量輸出模塊、語音報警模塊等，對其它模塊也做出規劃。
  9. It designs and implements the combined digital communication system for data and voice

    並設計實現了語音數據與命令數據（文本數據）的混合通信系統。
  10. Our company had been established in 1997, specializes in building intelligent systems engineering design, construction and terminal equipment ( building automation systems, access control, tv monitoring systems, computer network system, digital voice switching systems, public broadcasting systems, smart card system ) agent sales, installation, commissioning, maintenance

    公司成立於1997年，專業致力於建築智能化系統工程設計、施工和終端設備（樓宇自控系統，門禁系統，電視監控系統，計算機網路系統，數字語音交換系統，公共廣播系統，智能一卡通系統等）的代理銷售、安裝、調試、維護。
  11. At present, el interface based on g703 is widely applied group network, relay network, gsm mobile base station and military communication for the purpose to transmit voice signals, data, pictures and etc. in this paper, the author firstly analyses the developing tendency and status quo of nowadays digital loop system

    目前，建立在g703基礎上的e1介面在分組網、幀中繼網、 gsm移動基站及軍事通信中得到廣泛的應用，傳送語音信號、數據、圖像等業務。
  12. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上，傳統方案大部分採用ccd型圖像傳感器，而在本方案中，根據系統微型化、高集成的特點，使用了cmos圖像傳感器作為攝像器件，並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案；在信息存儲上，本方案採用dsp直接與usbhost晶元連接，由dsp處理usb協議和介面信息，從而降低了系統成本、縮小了產品體積，滿足了系統微型化的要求；同時本論文也對usb - otg技術進行了初步探討，利用此項技術，不再需要計算機作為主機，就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信；另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試，比如直接控制液晶顯示器等。
  13. Personal communications services ( pcs ) - two - way, voice and digital, wireless telecommunications system

    個人通訊服務-是一種雙向、音頻和數字無線通訊系統。
  14. A digital trunked radio communications system with voice and data capabilities

    備話音及數據功能的數碼集群無線電通訊系統；
  15. Digital voice keeping and repeating system based on cpld

    技術的數字化語音存儲與回放系統
  16. This paper presents the study and implement of the voice middle library based on the cti technology, digital voice technology and open programming system technology, with emphasis on the soft structure and the technique to realize the middle voice library

    摘要闡述了構建基於cti技術的語音中間庫的必要性，從軟硬體體系結構的角度描述了語音中間庫的系統結構，並討論了語音中間庫的實現技術。
  17. Digital voice storage and playback system

    數字化語音存儲與回放系統
  18. The objective of speech enhancement may be to improve the quality, to increase the intelligibility, to ensure the reliability of digital voice system

    本文對語音增強方法進行了較深入的研究，主要做了以下工作： （ 1 ）
  19. 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。
  20. This thesis mainly deals with the hardware design of whole system, on the basis of summarization of underwater voice communication systems, this thesis analyzes some key technology used in underwater digital voice communications, demonstrates the feasibility of the whole system, and then provides a scheme to realize the whole system

    本論文以整個系統的硬體設計為主要研究對象，在綜述水下語音通信系統的基礎上，首先分析了水下數字語音通信中的幾項關鍵技術，論證其可行性，並由此提出了整個系統的實現方案。
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