encoding channel 中文意思是什麼
encoding channel
解釋
編碼通道-
8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission
它避免了連「 1 」 、連「 0 」碼的出現，提供了豐富的位同步定時信息，減少了直流基線漂移，提高了光輸出功率的穩定性，減少了高低頻分量，改善了信號間的串擾，提供了適當的冗餘，便於檢測系統傳輸中帶來的錯誤。 -
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。 -
Cascaded low - density erasure codes are based on sparse random bipartite graphs. very efficient linear time encoding and erasure recover algorithms with the arbitrarily near erasure channel capacity performance of the codes with respect to the algorithms have made them one of the most optimal coding techniques up to now
基於稀疏隨機二部圖的級聯型低密度糾刪碼因其線性時間的編譯碼演算法和可任意逼近刪除通道容量限而成為目前最佳編碼技術之一。 -
In this research, the wheat, rice and tobacco with salt treatment were used as experimental materials to study the molecular mechanism of stress - tolerance in plant and make the relative gene engineering research. the main results are as following : 1. a novel ca2 + channel gene, named as tatpc1, was isolated from wheat, encoding a two - pore voltage - gated channel protein
本研究在總結當前植物鹽脅迫應答分子生物學研究進展的基礎上，以農作物小麥、水稻、煙草作為主要實驗材料，開展了植物耐逆分子機制和相關基因工程研究，主要結果為： 1從小麥中克隆到一個新的ca ~ （ 2 + ）通道蛋白基因， tatpc1 ，它編碼的是一種細胞膜上兩孔電壓門控式通道蛋白。 -
Source encoding and channel coding
信源編碼與通道編碼 -
The conclusion is identified by computer simulation. the paper studies a noncoherent demodulation based on differential encoding in mc - cdma system and makes computer simulation of ber performance compared with that of coherent demodulation based on perfect channel estimation
研究分析了一種使用差分編碼的非相干接收mc - cdma系統，對頻率選擇性瑞利衰落通道條件下的誤碼率性能進行了計算機模擬，並且和基於理想通道估計的相干解調方案進行了比較。 -
The chapter one of the thesis introduces the development status of the present digital program exchange system and the main task of devising a new console ; chapter two gives the relevant theories about channel encoding ; chapter three simply introduces digital program exchange system named nd120 ; chapter four presents how to find out relevant data ; chapter five and six describe in detail the hardware structure and software structure of the new console respectively ; chapter seven demonstrates in detail the new interface of this console
論文第一章介紹了數字程式控制調度交換系統的發展現狀和設計新型調度平臺需做的主要任務;第二章詳細介紹了調度平臺的總體設計及相關的通道編碼理論;第三章簡要介紹了nd120數字程式控制調度交換系統;第四章描述了調度指令的提取過程;第五章和第六章分別介紹了新型調度平臺的硬體結構和軟體結構;第七章則詳細描述了調度平臺介面的設計過程，這也是本文的主要創新點。 -
As a kind of channel encoding scheme in 3g mobile communication system, turbo codes influences the property of system, so increasing the performance of turbo codes can improve the communication quality of system
Turbo碼作為第三代移動通信系統的一種通道編碼方案，嚴重影響著系統的誤碼特性，而提高turbo碼的糾錯性能可以改善系統的通信質量。 -
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 simulation results based on siso and mimo systems show that the proposed scheme could effectively eliminate the time - variant fading characteristics of wireless channel and under an acceptable demand of ber, the frequency efficiency is enhanced greatly and besides, dynamic encoding is implemented with low complexity and high efficiency
通過在單天線和多天線系統中的模擬，表明該方案可以有效的克服無線通道的時變衰落特性，在滿足誤碼率性能要求的基礎上可以提高系統頻譜利用率，且實現復雜度低。 -
As we all know, the capability of wireless communication system is constrained by radio propagation channel, especially for future wideband communication system. so it needs more signal processing techniques to withstand bad radio propagation environment, such as diversity combination, coherent detection and channel encoding and decoding etc. for mimo physical layer approaches, channel state information is a prerequisite, thus comes many channel estimation approaches and algorithms
無線通信系統的性能主要受到移動無線通道的制約，特別對未來的寬帶移動通信系統更需要採用很多信號處理技術來對抗惡劣的無線傳播環境以提高系統性能，比如常見的分集合併、相關檢測和通道編解碼技術等，而採用這些技術的前提就是要知道通道的狀態信息（ csi ） 。 -
I am responsible of devising a new console which is the key component of nd120. the control mechanism of the new console is a microchip named 8051 ; the interface is rs - 232 ; signals are transmitted via optical fibre ; channel encoding mode is hec
新型調度平臺採用mcs - 51系列單片機8051為控制模塊;調度平臺與后臺之間採用rs - 232介面;信號傳輸採用光纖方式;通道編碼為混合糾錯（ hec ）方式。 -
The internet is based on the sharing channel of tcp / ip protocol and consists of various heterogeneous subnets. it is unpredictable of its transportation latency, available bandwidth and data package lost rate. so it ' s necessary to have an efficient encoding method and an adaptive real time transportation strategy to meet the multimedia communication ' s requirement of latency and bandwidth
Internet基於tcp ip協議通道共享，由多種異構網路互連而成的，其中的傳輸延時、通道帶寬、數據包丟失率都是時變的、不可預測的，因此，對延時、帶寬要求很高的多媒體通信，必須有一種高效的編碼方法和根據帶寬變化的實時傳輸策略。 -
The signals of multi - channel sensor at measuring spot were processed and translated by signal encoding technology to fuse into a baseband signal and then the signal was transmitted directly or in frequency - hand mode
該方法利用信號編碼技術對測控現場的多路傳感器信號進行處理和變換，使其融合為一路基帶信號后，或直接以基帶傳輸或以頻帶傳輸。 -
Stfs is a good coding arithmetic which is simple and easy to realize. moreimportantly stfs has higher diversity order and encoding gain than sts at the samesymbol rate. it can repel channel fading, improve data rate and wireless systemcapacity availability, stand against frequency selectivity fading, eliminate theintersymbol interference
該編碼演算法不僅在方法和原理上簡單，而且易於實現，在相同符號率下比空時擴頻具有更大的分集度和更高的編碼增益，能有效抵抗通道衰落、提高數據速率、提高無線系統容量、很好的對抗頻率選擇性衰落和消除符間干擾。 -
Abstract : some problems about overall design of a small unmanned air vehicle telemetry system are presented in this paper. the construction and fundamental principle of the telemetry system is simply introduced. according to the telemetry task requirement, the key problems which should be solved at first are demonstrated mainly by system " s capacity design and channel design. the needed data transmission rate is carefully calculated with the telemetry parameter table provided by user and on this basis the frame structure is decided. the bit error rate in factual telemetry channel is grossly estimated in theory and a channel encoding scheme is provided to improve data transmission quality to meet with the requirement for extremely low bit error rate
文摘:論述了某型號無人機遙測系統中的容量和通道設計問題.文中對該遙測系統的組成和原理進行了介紹.結合具體的遙測任務需求，在容量設計中確定了數據傳輸率和使用的幀格式，在通道設計中，通過計算實際通道中的誤碼率，提出了相應的通道編碼方案以確保數據傳輸的低誤碼率要求 -
Other sub - projects in the maglev communication system projects deal with the communication channel, including baseband signal encoding and decoding, transmitting and receiving the wireless signal and baseband signal processing the technique of synchronization is deeply request in the digital communications system
本課題涉及車地通信系統中基帶的通道編解碼和無線通道的收發，完成通信系統中基帶信號處理部分的部分功能。在數字通信中，同步是一個重點。 -
The research in software radio is not more than ten years, but has made a great many fruits, but it is too little to set up an integrated theory system, and software radio includes many areas such as modern communication system ( which includes modem source / channel encoding and decoding, equalization, encrypt and decrypt and so on ), wideband antenna theory, digital signal process, microelectronics, computer and so on. this thesis mainly does research for modem in modem communication
軟體無線電經過不到10年的研究，盡管取得了很多成果，但是對于建立一套完整的理論體系來說，還遠遠不夠，況且軟體無線電涉及的領域多、面廣、發展快，如現代通信理論（含調制解調、信源通道編解碼、均衡、加密解密等） 、寬帶天線理論、數字信號處理、微電子、計算機等。 -
This thesis offers a comprehensive study on the performance of ldpc codes. the author first presents a new method for construction of irregular ldpc codes based on generator matrix in order to significantly reduce encoding complexity. the simulation results are obtained over an awgn channel, and the obtained results are also compared with those acquired by the traditional approaches
本文在對ldpc碼進行了系統的分析和研究的基礎上，為了降低編碼復雜度，我們首次提出了一種基於生成矩陣的非正規ldpc碼的構造方法，並將其性能和傳統的基於校驗矩陣的ldpc碼進行了比較。 -
After briefly introducing the baseband procession in wcdma system, this paper indicates a new type of channel coding method - turbo code, and shows the actual encoding scheme in wcdma system. the basic principles of coding and decoding of turbo codes are discussed, and the map and max - log - map algorithms which are suitable for the turbo code are detailedly discussed. then, the interleaver of turbo code is also presented
本文在簡要介紹wcdma系統基帶數據處理流程的基礎上，詳細介紹了通道譯碼單元所採用的一種新的糾錯碼? turbo碼，簡述了turbo碼的編、譯碼原理，重點介紹了適用於turbo碼的map和max - log - map譯碼演算法。
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