譯碼作用 的英文怎麼說

中文拼音 [yìmǎzuòyòng]
譯碼作用 英文
decoding action
  • 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...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  1. 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。
  2. In addition, make out in detail the design on inner combination logic and time logic of fpga, including series - parallel conversion, data selector, counter, flip - latch, timer, encoder, etc. at one time, not only pursuit flow of the data gathering system is illuminated, but also make use of in reason and effectively inner ram resource of fpga and build it in ping - pong framework

    另外，詳細的介紹了fpga內部的組合邏輯和時序邏輯的設計方案，包括串並轉換、數據選擇器、計數器、鎖存器、定時器、譯碼器等。並闡述了數據採集系統的工作流程，而且合理有效地使用了fpga內部的ram資源，將其構建成乒乓式結構。
  3. Based on the dsp development board, the author finishes the hardware debug about the multi - channel buffered serial port ( mcbsp ) receiving the output signal from the gps if collector and resolves the software program of the receiving buffer of the multi - channel synchronous serial data, data integration, udp datagram encapsulation and network interface driver, etc. the real - time udp datagram receiving, data frame de - encapsulation and high speed data memory are implemented, and a friend application interface with windows message is developed on the pc

    基於dsp開發板，作者完成了dsp的多通道緩沖串口（ mcbsp ）接收gps中頻接收機輸出信號的硬體調試，並解決了多通道同步串口數據的接收緩沖、數據合併、 udp數據報裝幀及網路介面驅動等軟體編程。在pc端，通過mfc的網路應用開發類casyncsocket實現udp報的實時接收、數據解幀譯碼、高速存貯，利用windows消息機制開發了應用程序友好界面。
  4. In this paper, the common used encoding algorithms and basic finite - field opera - tions algorithms are introduced, and the decoding algorithms such as inverse - free ber - lekamp - massey ( ibm ) algorithm, reformulated inverse - free berlekamp - massey ( ribm ) algorithm and modified euclidean algorithm are analyzed in great detail. based on the ribm algorithm, a modified structure and a pipelined decoder scheme are presented. a tradeoff has been made between the hardware complexities and decoding latency, thus this scheme gains significant improvement in hardware complexity and maximum fre - quency

    本文簡要介紹了有限域基本運算的演算法和常用的rs編碼演算法，詳細分析了改進后的euclid演算法和改進后的bm演算法，針對改進后的bm演算法提出了一種流水線結構的譯碼器實現方案並改進了該演算法的實現結構，在譯碼器復雜度和譯碼延時上作了折衷，降低了譯碼器的復雜度並提高了譯碼器的最高工作頻率。
  5. At fixed time intervals, the gts data are decoded by the hko main computer and quality control checks are applied. objective analyses are then carried out for data at various standard pressure levels to produce grid point values. charts showing flight level winds, temperatures and other information are made available at the airport meteorological office ( amo ) for the provision of flight documentation and airway winds

    天文臺的主電腦定時對接收到的資料進行譯碼及質量控制檢查，跟著對各個標準氣壓層面的資料進行客觀分析，計出各網格點的數值，從而製作各巡航高度的風、溫度及其他資料的天氣圖，讓機場氣象所用來編制飛行氣象文件和航道風。
  6. At fixed time intervals, the gts data are decoded by the hko main computer and quality control checks are applied. objective analyses are then carried out for data at various standard pressure levels to produce grid point values. charts showing flight level winds, temperatures and other information are made available at the airport meteorological office for the provision of flight documentation and airway winds

    天文臺的主電腦定時對接收到的資料進行譯碼及質量控制檢查，跟著對各個標準氣壓層面的資料進行客觀分析，計出各網格點的數值，從而製作各巡航高度的風溫度及其他資料的天氣圖，讓機場氣象所用來編制飛行氣象文件和航道風。
  7. " although the simplest model for a cn affecting gene actiity is where the ariant is a deletion of a gene or part of a gene, we found examples where actiity is affected from a distance, " commented barbara stranger, first author and post - doctoral fellow at the wellcome trust sanger institute. " this may occur when the cn reduces the effectieness of a region that works to switch the genes on or off

    變異拷貝數機制能通過改變特定基因的「劑量」 （即復制后的拷貝數量） ，藉助于裂解某個包含后續可翻譯成蛋白質密碼的基因的活性片斷或藉助于降解控制基因活性即類似開/關及在我們基因組中的調整開關的基因組中具有調控作用的基因片斷來影響基因活性。
  8. Your new account request will be processed and an activation code for creating your account will be sent to your email address

    大體意思（不知道翻譯的對不對） ：您新的帳戶請求將被處理，並且活化作用代碼為創造您的帳戶將寄發到您的電子郵件。
  9. Observations obtained from overseas sources as well as from local networks are decoded and quality - checked for doubtful or erroneous data. short - range forecast fields i. e. 3 - hour forecast from 20 - km inner model and 6 - hour forecast from 60 - km outer model from the previous model run are used as first - guess or background in assimilating the latest observational data. objective analyses are then carried out and currently a three - dimensional optimal interpolation method is used to prepare the initial fields for the model forecast

    天文臺從海外及本地網路取得觀測資料，經過譯碼后，便會進行質量控制檢查，把可疑和錯誤的數據剔除，然後利用上一次模式運行所得出的短期預報場，即20公里內模式的3小時預報及60公裡外模式的6小時預報，作為初估背景場，再注入最新觀測數據，進行客觀分析，以得出模式預報的初始場。
  10. The technology of trellis coded modulation ( tcm ) and viterbi decoding which could achieve high transmitting rate at a low bit ' error rate are demonstrated in detail. and then the design and achievement of itu - t v. 32 modem that based on one - dimensional tcm are expatiated. the paper also discusses the multi - dimensional tcm the itu - t v. 34 modem that based on it and tcm ' s application in the carrier communication

    文中深入研究了可保證一定誤碼率的情況下能實現較高傳輸速率的網格編碼調制（ tcm ）技術和維特比譯碼技術，闡述了基於單維網格編碼調制的itu - tv . 32modem的設計和實現，討論了多維網格編碼調制技術和基於其的itu - tv . 34modem ，並對網格編碼調制在載波通信中的應用作了簡單介紹。
  11. Autocompletion will not function when editing code and using conditional compilation directives if the code is not part of the current branch

    如果代碼不是當前分支的一部分，編輯代碼和使用條件編譯指令時，自動完成功能將不起作用。
  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. After the resource and decoding speed are optimized, the work clock can be achieved at 50mhz, and serial decoding speed is high to 2. 4mbps

    對所用資源和譯碼的速度進行了優化，使整個系統的工作時鐘可以達到50mhz ，串列的碼速率可以達到2 . 4mbps 。
  14. Which allows instructions to be inserted into and deleted from a list rather than just appended with this approach, it works very well for the sequential bytecode generation used by the binding compiler

    （它允許向列表插入指令和從列表刪除指令，而不僅僅是添加指令）的一些靈活性，但是對于綁定編譯器使用的順序位元組碼生成來說，工作得很好。
  15. The bit - interleaved coded modulation with iterative decoding for bandwidth - efficient transmission over rayleigh fading channel is studied

    該方案利用ldpc碼校驗矩陣作為系統迭代終止判決準則，可大幅度降低譯碼演算法的平均復雜度。
  16. Serial algorithm improves decoding performance greatly ; serial algorithm finds the better trade - off between performance and complexity, it is a good decoding algorithm with high application value. ( 5 ) introduce the background of quantized decoding and basic theory. analyse effect of quantized decoding, research the impact of limited quantized to serial decoding, and present feasible project for quantized decoding

    （ 5 ）介紹了量化譯碼的背景和量化原理，分析了量化譯碼對譯碼器實現的重要作用，基於串列譯碼演算法，以消息種類的不同分別研究了有限長量化對譯碼性能的影響，並提出可行的串列量化譯碼方案，其性能接近連續譯碼性能。
  17. 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。
  18. Three codons, uaa, uag, and uga serve as punctuation codons and are not translated into amino acids

    Uga這三個密碼子不翻譯成氨基酸，起終止密碼子作用。
  19. The statistical characteristic of extrinsic information from component decoders is discussed. based on it, ? it is explained that the related curves of input - output snr could be used to measure the performance and convergence of iterative decoding ; ? two types of turbo iterative stopping criteria are designed ; ? the methods to updating snr estimation in the process of iterative decoding is provided ; ? a way to implement synchronization of carrier phase by serial concatenation scheme is devised

    在分析迭代譯碼輸出外部信息的統計特性基礎上?考察了迭代譯碼器輸入輸出snr關系曲線，並說明它可以作為衡量迭代譯碼性能和收斂性的工具； ?設計了兩類新的turbo迭代譯碼停止準則； ?提出了在迭代譯碼過程中更新snr估計的方法；國防科學技術大學研究生院學位論文設計了利用外部信息統計量實現載波相位同步的串列級聯方案。
  20. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象，在詳細分析原設備的系統結構和功能實現方式的基礎上，指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題，同時結合系統的低功耗需求和優化人機介面設計，本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案：在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路； cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計；基於低功耗設計的器件選型方案和單片機待機模式設計；人機介面的lcd菜單操作方式。
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