coder decoder 中文意思是什麼

coder decoder 解釋
編碼譯碼器
  • coder : 編碼器；編碼員
  • decoder : n. 譯電員；譯碼機；解碼器；判讀器。
  1. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上，描述了一種較為先進的大型dsp系統程序開發策略，並以此為指導思想，以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。論文對amr解碼器的誤碼隱藏處理單元進行了重點分析，針對原有演算法合成語音自然度不好的缺點，論文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系數參數進行誤碼消除處理。
  2. Ternary optical coder, decoder and ternary logical calculus belong to key components of ternary optical computer, and they are the base of implementing other components of the optical computer

    三值光編碼、解碼器和三值邏輯運算器是三值光計算機關鍵部件，是實現三值光計算機其它部件的基礎。
  3. Study on quantization of h. 263 video coder decoder

    263視頻編解碼器中量化過程的研究
  4. The inversionless bm algorithm in rs decoder is implemented with serial mode, which avoids the inversion computation and only needs 3 finite - field multipliers. thus, the complexity of hardware implementation has been mostly reduced. a 3 - level pipe - line processing architecture is also used in the hardware and the coding circuit in rs coder is optimized by using the characteristics of the finite - field constant multiplier

    Rs解碼器的設計採用無逆bm演算法，並利用串列方式來實現，不僅避免了求逆運算，而且只需用3個有限域乘法器就可以實現，大大的降低了硬體實現的復雜度，並且因為在硬體實現上，採用了3級流水線（ pipe - line ）的處理結構。
  5. It also discusses the code and decode theory for rs error - correcting codes, then summarizing the design and debug experience for the rs ( 31, 15 ) coder and decoder through fpga

    文章中還討論了rs糾錯碼的編譯碼原理和演算法，總結了基於fpga實現一個rs （ 31 ， 15 ）編碼和譯碼器的設計經驗和調試經驗。
  6. During the course of studying master degree, i have researched of ternary coder, decoder and ternary logical calculus

    在攻讀研究生期間，本人對三值光編碼、解碼器和三值邏輯運算器進行了研究。
  7. The circuitry of outer coder consists of data formation, data randomizer, rs encoder, and interleaver in the transmitter and their counterparts in receiver : data reverse transformer, de - randomizer, rs decoder and de - interleaver. in this paper, the first chapter gives an overview of hdtv, then focus on the dvb - c system, and then talks about the technology involved in asic

    本文第一章首先概述了數字高清晰度電視，接著重點介紹了dvb - c有線電視傳輸系統，並對專用集成電路（ asic ）設計的發展、設計流程和注意事項及將來的設計趨勢? soc的設計技術作了概述。
  8. It is convenient to implement speech coder and decoder on a single dsps chip

    在單片dsp處理器上實現語音信號編解碼是十分便利的。
  9. By actively removing part of the high frequency wavelet coefficients, the method can make an acceptable image compression result for both coder and decoder

    即在特定應用條件下，將背景區域高頻成分進行部分濾除的activeshift編碼方法。
  10. Evaluation package for mpeg - 2 coder and decoder show its appearance on the market

    2編譯碼器評價組件亮相
  11. Chapter 5 gives the design illumination of the rs coder and decoder based on fpga. then it gives the integrated results for realization design of the rs ( 31, 15 ) error - correcting code. after that, it gives the functional and layout simulation results for the limited field multiplier, divider, rs coder and rs de - coder

    第五章給出了基於fpga實現的rs編碼器和譯碼器設計說明， rs （ 31 ， 15 ）糾錯碼設計實現的綜合結果，有限域乘法器、除法器、 rs編碼器、 rs譯碼器的功能模擬和布局布線后模擬結果，最後總結主要的調試經驗。
  12. Coder - decoder codec delay

    編碼解碼器延遲
  13. The main assignments are : accomplished the design of transmitter, receiver, coder and decoder module, control system of obu and rsu. the communication protocol and the main factors which would influence the communication are also discussed

    主要工作內容為:完成了車載通信單元和路側通信單元光發射機、接收機、編碼解碼模塊以及控制系統的設計，並討論了通信協議的相關內容和影響通信的主要因素。
  14. In the subject, the error - control project consisting of convolutional coder and viterbi decoder is adopted. the viterbi decoding algorithm is studied in the paper

    本課題採用（ 2 ， 1 ， 7 ）非系統卷積碼和維特比譯碼組成的差錯控制系統。
  15. Subjective testing indicates that the quality of cs - acelp is equivalent to that of the 32kbit / s adaptive differential pulse code modulation ( adpcm ) under error - free conditions and it outperforms g. 726 under error condition. in this paper, standard c is adopted in realization of the algorithm, presents program strategies and steps of algorithm of each module. the coder and decoder is tested by utterances with noise

    用標準c語言模擬實現了該演算法，計算了mos分值，女聲： 4 . 180497 ，男聲： 4 . 199782 ，並在相同的測試語句中加入噪聲進行測試，含噪語句通過該編解碼器，輸出的合成語音用主、客觀評價標準評價，與原始不含噪語音效果差別不大，平均mos分值為：女聲4 . 1375 ，男聲4 . 1668 ，說明該演算法是優秀的編解碼演算法。
  16. The paper expounds on the theory, concept and application of reed - solomon code by the brief introduction of error controlling system and channel coding, and finally finishes the design of rs code coder and decoder under the guidance of dvb - c standards by consulting the related references

    本論文通過對差錯控制系統及通道編碼的簡單介紹，進而闡述了reed ? solomon碼的原理、概念和應用，參考有關文獻，完成了在dvb - c標準下對rs碼編譯碼器的演算法的程序編制和硬體的結構設計。
  17. Hdtv video decoder is a key component of high definition television receiver. as audio compression standard of atsc - hdtv, dolby ac - 3 is a high - quality, low - complexity multichannel audio coder which is used for more and more applications

    作為atsc - hdtv系統的聲音制式標準，杜比ac - 3是一種高質量、低復雜度的多聲道聲音編碼壓縮技術，被越來越多的應用到各種場合。
  18. The approach in this thesis first design the best performance channel code in different channels and different snr, then design the adaptive coder / decoder. the receiver continually estimates the fading and noise of the channel and transmits them to the transmitter by reverse channel. then the transmitter use these information to choose the best channel code adaptive the current channel

    本文提出的自適應調制方案首先設計各種通道衰落和信噪比條件下的最優通道編碼，再設計一種能夠完成這些通道編碼解碼的自適應編碼解碼器；接收機不斷估計通道的衰落程度和噪聲功率，並通過反向通道反饋給發射機；發射機據此選用最適合當前通道的通道編碼，實現自適應。
  19. However, in the part of the software, the schemes to programme coder and decoder are expatiated separately and the final flow charts are drawn after that. during the design of the coder, the selection of the information source and the modulation is discussed. according to the characteristic of the multi - phase modulation ml

    在軟體實現部分，分別詳述了編碼器和譯碼器的編程方案並給出了最終實現的流程圖:編碼器的設計中論述了信息源和調制方式的選擇方法;而對譯碼器的最大似然演算法則根據多相調制的特點進行了演算法簡化和實現。
  20. Additionally, the underway researches on producing coder and decoder in a ternary optical computer as well as group - signal converter for realization system of ternary optical fiber communication were introduced in this thesis. some experiments done by others were quoted to prove the ternary optical computer theory

    論文還介紹了正在進行三值光計算機編碼器、解碼器的製作研究，和正在進行的三值光纖通信實現系統的信號成組變換器的製作研究，以及可以佐證三值光計算機理論的他人的實驗工作。
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