譯碼理論 的英文怎麼說

中文拼音 [yìmǎlǐlún]
譯碼理論 英文
decoding theory
  • 譯 : 動詞（翻譯） translate; interpret
  • 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...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 理論 : theory
  1. Random fields on tree axe applications on trees of theory of random process - a new math model, which develeped from coding and encoding problem in information theory

    樹上的隨機場是隨機過程理論在樹-這一最新的數學模型上的應用，它產生於信息理論的編碼和譯碼問題
  2. A new h - arq scheme that uses progressively decodable serially concatenated codes for retransmission is proposed with its design guidelines. theoretical bounds on total number of transmitted bits and throughput performance are derived. finally, the simulation results are given

    提出了基於累進可譯串列級連碼的h - arq體制，論述了其設計原則，推導了重傳比特數和通過率的理論限，給出了性能模擬結果。
  3. This paper focuses on the theory of turbo code and its application in deep space communication

    本文主要討論了turbo編譯碼的原理及其在深空通信中的應用。
  4. We discuss the bit error rate of the convolutional code, turbo code encoder and decoder theory as well as the performance in awgn channel and rician channel, and present the result of simulation

    討論了rs與卷積碼級聯的誤碼率問題， turbo碼的編譯碼原理及其在awgn通道和rician通道中的性能，並給出了相應的模擬結果。
  5. There are many decoding schemes for convolutional code, such as sequence decoding algorithm, fano algorithm, viterbi algorithm. but in fact, what ' s used widely is viterbi decoding algorithm. the viterbi decoding algorithm, proposed in 1967 by viterbi, is a decoding process for convolutional codes in memory - less channel, which takes full advantage of convolutional codes. since viterbi algorithm is proposed, it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems, especially to digital wireless communications and deep space communications

    卷積碼的譯碼演算法方案有很多，如序列譯碼演算法、 fano演算法、 viterbi演算法，但是真正大規模應用的還是viterbi演算法。 viterbi譯碼演算法是1967年viterbi提出的，它是一種對無記憶通道卷積碼進行譯碼的演算法。它充分發揮了卷積碼的特點，因而自viterbi演算法提出以來，無論在理論上還是在實踐上都得到了極其迅速的發展，並廣泛的應用於各種數據傳輸系統，特別是無線通信和衛星通信系統中。
  6. 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。
  7. In the last half century, researchers have always been searching good code with rate closing to the shannon theory limitation, error ratio being low and it being to be decoded easily

    半個世紀以來，人們一直在尋找碼率接近香農理論極限、誤差概率小和譯碼復雜性低的好碼（又稱漸近好碼或shannon碼） 。
  8. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據空間數據系統顧問委員會（ ccsds ）為turbo碼應用於深空通信系統推薦的標準，包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式，以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎，設計了sova演算法的實現結構，通過模擬驗證了本文所採用的turbo碼的性能，從而證明turbo碼確實是一種很好的通道糾錯編碼方式，它適用於要求功耗低或信噪比低的深空通信系統中。
  9. On the basis of formation and operation principles of the bar code identification system, the author has studied the moment - invariants theory of pattern recognition, and combined the other image processing techniques, then developed a bar code identification system which can recognize not only the lightly contaminated and incomplete bar code but also the distorted bar code with arbitrarily angle. using the idea of the layers, the author has consteructed a kind of two dimension barcode, and developed the identification system for it

    在簡介條碼識別系統的組成及工作原理的基礎上，作者針對條碼圖像攝入過程中可能遇到的種種情況，以矩不變為特徵的模式識別理論為依據，結合矩陣分割和其他數字圖像處理技術，開發出不僅能對輕度污染與殘缺的條碼進行識讀，而且能對任意角度有畸變的條碼圖像進行快速識別的一維條碼譯碼系統。
  10. Turbo code, which utilizes the condition of random coding and decoding of shannon noisy channel coding theorem, has obtained the performance near to shannon theoretic limit. the performance of turbo code is the best one in all presented coding methods

    Turbo碼由於很好地應用了shannon有噪通道編碼定理中的隨機性編譯碼條件而獲得了接近shannon理論極限的譯碼性能。
  11. The design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the baseband signal processing of dsp. and the realization of the viterbi channel decoding algorithm by dsp and the simulation of the burst at the transmitter are discussed

    模塊的硬體設計主要包括： a d轉換器、數字下變頻器（ ddc ）以及dsp ，詳盡討論了a d器件ad6640和ddc器件ad6624的設計和應用；模塊的軟體設計主要包括： ddc濾波器參數設計和dsp的基帶信號處理，給出了viterbi通道譯碼演算法dsp實現和發射端突發形成的模擬實現。
  12. Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function

    本文在簡單的論述了pc並口協議（ epp ）與dsp之間的通信方法、 cpld模塊邏輯控制應用和arinc429的通訊規范的基礎上，給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計，其中，對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖，包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後，給出了測試結果，對研製工作做了總結，對本設計的優缺點各做了評述。
  13. Therefore, the research targets of this dissertation are to realize the coding and the decoding of stbc after studying its theory

    本文在研究了空時分組碼的理論基礎上，對其編譯碼器進行了硬體模擬實現。
  14. This paper discussed the theory of encoding and decoding of turbo codes, researched some key techniques in encoder and decoder, analyzed the question of selection of the component codes and generation polynomial in encoder

    本文討論了turbo碼的編譯碼原理，研究在其編譯碼器中的關鍵技術，重點探討了在編碼器中成員碼以及生成多項式的選擇問題。
  15. Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum

    文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，並以載荷譜法為例，簡述了所研究的系統將要採取的工作方式及工作過程。
  16. The paper is completed research of measurement and control system based on dsp under technology. the paper is designed a card with the data - collection conversion and control by adopting mainly tms320f240 among the dsps as kernel processor, with peripheric a / d and d / a circuit epm7128 ' s decode and latch circuit and isa interface circuit

    本論文主要是採用數字信號處理器dsp中的tms320f240作為核心處理器，結合外部的模數轉換和數模轉換電路、可編程邏輯器件epm7128的地址譯碼和鎖存電路和isa介面電路，設計了集採集、轉換、控制於一身的isa卡。
  17. Density evolution theory is specified and is applied to the analysis on the threshold of decoding, through which guidance can be provided to optimize irregular ldpc codes

    闡述了密度進化理論，並分析了譯碼過程中存在的閾值現象。然後介紹了密度進化理論在ldpc碼優化方面的應用。
  18. Low density parity check ( ldpc ) codes are good error - correcting codes, which can approach shannon ' s capacity limit. due to the sparsity of its check matrix, ldpc codes can be decoded only with linear time complexity using iterative decoding algorithm. therefore, ldpc codes have become one of the most attractive fields in the channel coding community

    低密度校驗碼是一種逼近香農限的好碼，由於其校驗矩陣的稀疏特性，採用迭代譯碼演算法，它的譯碼僅具有線性時間復雜度，所以目前ldpc碼己成為通道編碼理論界的研究熱點之一。
  19. The background and research situation of ldpc codes are presented and the current research results are introduced in the first part of the thesis. graph presentation and sum - product algorithm are interpreted in detail. linear coding theory and efficient constructing methods on ldpc codes are systemically interpreted later

    系統地闡述了ldpc碼的圖模型表示方法及基於圖模型的譯碼原理；詳細地介紹了ldpc碼的構造方法及其線性編碼理論；介紹了用於ldpc碼閾值分析和度序列設計的密度進化理論； 2
  20. His “ diamond code, ” published in 1954, elegantly combined the arithmetic of getting 20 amino acid meanings from a four - nucleotide alphabet with the physical structure of dna itself

    他於1954年發表的菱形密碼理論，把四種核苷酸轉譯成20種胺基酸的演算法，與dna本身的物理結構巧妙地結合在一起。
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