編碼聲道 的英文怎麼說

中文拼音 [biānmǎshēngdào]
編碼聲道 英文
coded track
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起，能夠大幅度的提高無線通信系統的通道容量和傳輸效率，並能有效的抵抗多徑衰落、抑制干擾和噪聲。
  2. In this thesis, for the merits of high frequency spectrum utility factor and high - speed data communication, the ofdm is introduced into the underwater acoustic communication. combined with fec to combat the frequency - selective fades and isi in the underwater acoustic channel, high speed data transmission is realized by employing ofdm technology

    本研究嘗試將ofdm技術引入水聲通信領域，利用該技術頻譜利用率高，多載波并行傳送的特點，結合通道編碼，以克服水聲通道多徑干擾引起的頻率選擇性衰落和碼間干擾，獲得高速率數據傳輸。
  3. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  4. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處；第二章介紹圖像處理的基本技術以及本研究的硬體環境；第三章介紹圖像數據的變換方法，著重介紹了小波變換涉及到的知識；第四章介紹圖像編碼，重點介紹了零樹法編解碼；第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
  5. Convolutional coding is a coding scheme often employed in deep space communications and recently in digital wireless communications. it offers an alternative to block codes for transmission over a noisy channel

    卷積碼被運用於衛星通信和無線通信系統中，它提供了一種不同於分組碼的在噪聲通道下傳輸信息的一種編碼方案。
  6. Both quantum error correcting code and quantum error avoiding code are practical quantum channel coding schemes. we present in this dissertation a new quantum error correcting code scheme, named serially concatenated quantum convolutional code

    克服量子通道噪聲的編碼就稱為量子通道編碼，實用的量子通道編碼包括量子糾錯碼和量子避錯碼。
  7. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  8. This paper can put into four parts ? this first part is the description and theoretical analyses of source coding, which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding, which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models, binary symmetric channel and cdma channel o in this part, two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts, one is to find the most appropriate quantization steps and centroid points of separate channel - source coding, another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding, the characters of joint channel - source coding are given

    本論文可以分成四部分：第一部分給出了信源編碼的基本概念和理論分析，重點放在最優均勻量化編碼的研究方面；第二部分給出了通道?信源聯合編碼的原理敘述，重點放在復合式通道?信源編碼的分析研究上；第三部分將通道-信源聯合編碼原理應用在兩種噪聲通道上：離散無記憶通道和cdma通道，並根據兩種通道的不同特點詳細描述了兩種相應的編碼設計方案；第四部分給出了復合式通道-信源編碼的模擬結果以及對結果的相應分析。
  9. Appropriate data compression methods are needed to assure the random nature of the information source and to enlarge its entropy. in this thesis, first, we present the theory of sess system, then the acquisition method of sess system is discussed in detail, finally, a acquisition model of sess system is built and simulated in the awgn channel, in the raleigh fading channel and in multi - address interfere condition. the simulation results show the acquisition method of sess system can be just as reliable as the conventional dsss systems

    本文首先對自編碼擴頻通信的基本原理，自編碼擴頻序列的產生方法及其產生的序列的特性進行了概述，然後詳細討論了直擴通信系統中的擴頻碼的捕獲跟蹤問題，根據自編碼擴頻通信的特點，設計了其捕獲跟蹤方案，並在加性高斯白噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬。
  10. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。
  11. Digital broadcasting systems for television, sound and data services. framing structure, channel coding and modulation for 11 12 ghz satellite services

    電視聲頻和數據服務數字廣播系統. 11 12 ghz衛星業務結構頻道編碼和調制
  12. The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently

    在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼，在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內交織，可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。
  13. With the method of integral within ordered product of operators, we obtain the analytical expression of quantum information counterpart of mutual information. the coherent information, as a function of input thermal state power and thermal noise channel power, we discuss the upper and lower bound for quantum gaussian channel introduced by holevo - werner and by quantum codes

    用正規乘積內的算符積分技術求出了互信息的量子對應物? ?相干信息用輸入熱噪聲信號功率和通道熱噪聲功率表示的公式。討論了由holevo和werner引入的量子高斯通道量子容量的上界及由量子編碼所確定的下界。
  14. Per channel, and the result from ti ' s software simulator in ccs ( code composer studio ) is given, putting forward the principles and difficulties of realization of this algorithm. the recovered music signal is very close to the original signal and they are difficult to tell apart. in this paper a scheme of real - time implementation for this algorithm is discussed

    本文敘述了mpeglayer音頻壓縮編解碼器的演算法及模擬實現研究，用c語言實現了的高保真音樂信號64kbps每聲道的非實時解碼，並在ti的ccs （ codecomposerstudio ）系統中的軟體模擬器上進行實時研究，提出了該演算法在具體實現中的要點和難點。
  15. Windows media encoder 9 series is a powerful tool for content producers who want to take advantage of the many innovations in windows media 9 series, including high - quality multichannel sound, high - definition video quality, new support for mixed - mode voice and music content, and more

    Windows media編碼器9系列是一個強大的工具，對于希望充分利用windows media 9系列中的多項革新功能的內容提供商而言無疑是個福音，這些功能包括高質量多聲道音響高清晰度視頻質量新增對混和模式的聲音和音樂內容的支持以及其他更多功能。
  16. Future wireless applications, such as video cellular telephony, wireless internet access and wireless lans, have open a new field for wireless multimedia communication - image communication, which push a growing demand for fast, economic, low - energy mobile multimedia communication. however, there are still several bottlenecks - bandwidth, low - delay, power and noise etc, need to be solved

    然而由於無線視頻通信存在許多瓶頸與協議問題：包括帶寬要求、實時性要求、功率限制和通道噪聲等，面向無線的視頻編碼與傳輸技術已成為當今信息科學與技術的前沿課題。
  17. This chapter discusses two models of optical information channel of holographic system : intensity model and amplitude model, and discusses some methods overcoming noises by use of these two models. s. encypting holographic data storage based on orthogonal - phase - code multiplexing

    詳細講述了光通道的兩種模型：光強度模型和光幅度模型，並利用這兩種模型討論了克服噪聲的一些措施； 3 .正交相位編碼全息光存儲。
  18. At the same time, dvb - t system needs to be improved on the immunity against gauss white noise and the mode of channel coding

    U盯隊』引i團「斯白噪聲和通道編碼等方面也存在明顯不足。
  19. As a combination of ofdm with space - time coding technique, mimo - ofdm has recently received considerable attentions, which can not only effectively enhance the transmission rate and capacity of the wireless communication system but also effectively combat multi - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起，能夠大幅度的提高無線通信系統的通道容量和傳輸速率，並能有效的抵抗多徑衰落、抑制干擾和噪聲，從而引起了通信界的廣泛關注。
  20. With the success of dvd movies encoded with dolby digital and dts multi - channel audio formats, consumers had become accustomed to listening in full surround sound with anywhere from six to eight speakers

    有了成功實踐的dvd影片編碼與杜比數字和dts多聲道音頻格式，消費者已習慣于聽在全環繞音效與任何地方，從6至8個喇叭。
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