trunking system 中文意思是什麼
trunking system
解釋
管道系統-
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。 -
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。 -
Based on the ( 3, 1, 5 ) convolution code in digital trunking system, this paper first studied the decoding depth of the convolution code and fund out the right decoding depth for digital trunking system, then proposed a modified viterbi decoding algorithm
本文以數字集群中所用的（ 3 ， 1 ， 5 ）卷積碼為基礎，首先對卷積碼的解碼深度進行了研究，得出適合數字集群系統的解碼深度，然後提出了一種卷積碼的viterbi譯碼的改進演算法。 -
This paper undertakes a research on control center and dispatching station and presents a practical software design solution against the background of the development of digital trunking experimental system
本論文以數字集群試驗系統的開發為背景，對tetra系統控制中心和調度臺進行研究，提出一種切實可行的調度臺軟體設計方案。 -
Tetra digital trunking system is famous for its dispatching functionalities. as an important part of tetra system, the dispatching station provides an operation platform for dispatchers to efficiently command and control people
Tetra數字集群系統一直以強大的調度功能而著稱，作為系統重要組成部分的調度臺為調度員進行指揮調度提供一個操作平臺，可以極大提高工作效率。 -
In recent years, the police departments had built their private computer network with the golden shield project working in many provinces. so the trunking system can be connected in a province using their private computer network. in this way a roaming trunking system were built in a province
近年來，隨著國家金盾工程的實施，各個省自治區的公安系統都建立了自己專用的計算機網路，這樣可以利用公安系統的ip專網把原來的集群通信系統聯系起來，形成一個全省范圍內的專用集群通信網路。 -
After implementing digital signaling system into analogue trunking system, we get these improvements : more reliable connection between users, higher speed of connection, and more functions in trunking system. mdc1200 signaling system is one kind of this signaling, which is developed by motorola for improving the performance of its analogue trunking system
模擬集群通信是指它採用模擬語音進行通信，整個系統內沒有數字技術，但后來為了使通信連接更為可靠，模擬集群通信系統也採用了數字信令，使集群通信系統的用戶連接比較可靠，連通的速度有所提高，而且系統功能也相應增多。 -
First, it introduces the corresponding knowledge, technical roadmap of trunking system, and digital trunking system signaling. second, it presents the encoding, decoding, modulation, demodulation parts and several signaling functions of mdc1200 signaling system. in addition, it analyzes some signaling data packet formats
本文首先對集群通信的相關知識、發展趨勢以及集群通信數字信令進行了介紹，接著對mdc1200信令的編碼、解碼過程，調制、解調方式以及各種信令功能的信令數據格式進行了詳細地分析。 -
The whole paper had been divided into four parts : the first part introduces the general situation of digital trunking system and its channel encoding, the recent development of viterbi decoding ; the second part studies the error control scheme, and the convolution decoding depth which is most fit to digital trunking system ; the third part introduces several low power viterbi decoder and its principle ; the last part proposes a united - decision estimating viterbi decoding algorithm
本文共分為四部分，第一部分介紹了數字集群及其通道編碼的總體情況， viterbi譯碼的發展現狀。第二部分給出了數字集群系統中話音通道差錯控制總體方案，並研究了適合數字集群系統的卷積碼的解碼深度。第三部分簡單介紹了各種低功率viterbi譯碼器及原理。 -
The principle and application about the smar trunk digital trunking system
數字集群系統原理及應用 -
We offered a touch - screen exhibitors location system, prominent information booths, a customer service centre and e - mail and internet facilities - all easily installed using the centre s well designed trunking system.
1 ，設置參展商位置顯示系統和詢問處、顧客服務中心、電子郵件及網際網路絡等設施。由於中心備有完善的電路系 -
In the paper, the embeded process platform and voice compression moudle were introduced firstly, then host port interface circuit was designed by which the host processor mpc852t communicated with ac48304. and then em interface and ethernet interface of the gateway were designed, which communicatewith trunking system and server respectively
本文的主要工作是在了解嵌入式處理平臺和語音壓縮模塊的基礎上，設計了powerpc處理器擴展ac48304的hpi介面電路;並設計了語音網關與集群系統的em介面以及以太網介面。 -
Trunking system for mobile radio
集群移動無線電通信 -
Digital trunking system
模擬集群系統 -
Application and working principle of connection between wired 110 and wireless trunking system
與無線集群系統互聯的實現及工作原理 -
Causes for and solutions to the decrease of communication range for the trunking system
淺談警用集群系統通信距離減小的原因及解決辦法 -
Under this background, the paper was proposed as a node in trunking system ip networking
本文就是在這個項目背景下，作為集群通信系統ip聯網的一個關鍵節點提出來的。 -
Trunking system is one kind of the advanced mobile dispatcher communication system. it represents the technical roadmap of dedicated mobile communication network
集群通信系統，是一種高級移動調度系統，代表著通信體制之一的專用移動通信網發展方向。 -
On the other hand the voice packets from the server were transmitted to the trunking system in the converse process
另一方面，從集群系統服務器來的語音包在語音網關中經過相反的過程到達集群系統。 -
The analoge voice from the trunking system was pcm coded, compressed coded, packtized and then transmitted to the server by udp / ip link in the voice gateway
語音網關把來自集群系統的模擬語音，經過pcm編碼，語音壓縮編碼，分組， rtp包封裝，經udp / ip鏈路傳輸到集群系統服務器。
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