有效字碼 的英文怎麼說

中文拼音 [yǒuxiàozìmǎ]
有效字碼 英文
valid code word
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 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...
  • 有效 : effective; valid; efficacious
  1. In a start - stop teletypewriter system, the significant condition of the signal element that immediately precedes a character signal or block signal and prepares the receiving equipment for the reception of the code elements

    在啟動一個電傳打字機系統中，迅速領先字元信號或閉塞信號，並且準備好接收設備為接收代碼元件的信號元件的有效狀態。
  2. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上，歸納出其六大安全要素，即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析：第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規，第四章則介紹了電子提單的安全認證機構，第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制，第六章介紹了數字簽名的概念及原理，並以bolero為例介紹了數字簽名的技術方式，對有關法律問題作了論述；第七章首先論述了電子提單對有效性的法律需求，然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性；第八章通過對各國立法對電子證據的法律效力的規定，論述了對電子交易至關重要的數據電訊的不可抵賴性。
  3. This dissertation brings forward and realizes the multilevel classifiable method which is based on characters coding. above all, this method realizes the first - grade classification by extracting enough effective characters from characters and coding them, to the others which coundn " t be recognized by the first - grade classification, the method will adopt the second - grade classification using template matching to recognize these characters

    本文提出並實現了基於特徵編碼的多級分類識別方法，通過給字元抽取足夠多的有效的特徵並給特徵編碼實現第一級分類，對于第一級分類后仍不能區分的字元，再進入第二級分類用模板匹配的方法最終達到區分的目的，這種方法的重點在第一級分類階段。
  4. These embedded strings are converted at bind time based on the code page which is in effect during the bind phase

    在綁定時，將基於在綁定期間有效的代碼頁轉換這些嵌入的字元串。
  5. The experiment shows the improved algorithm can search codeword faster and effective

    模擬實驗表明此改進演算法能快速有效地搜索碼字。
  6. In addition, applications of secret sharing in signature and multi - party decryption are studied, and secure and efficient crypto - algorithms are proposed

    另外，研究安全秘密共享體制在數字簽名、多方解密中的應用，設計構造了安全有效的密碼演算法。
  7. The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time

    在指數相關高期色噪聲情況下，本文以一維有效色噪聲fpk方程作為研究的出發點，理論分析了限帶高斯色噪聲通道中脈沖幅值調制數字信號傳輸的誤碼性能，給出了非線性接收器的接收性能曲線，充分體現了噪聲相關時間的影響。
  8. To modify the fp control word, then the run - time startup code will set the x87 fpu control word precision - control field to 53 - bits, so all float and double operations within an expression will occur with 53 - bit significand and 15 - bit exponent

    修改fp控制字，則運行庫啟動代碼會將x87 fpu控制字精度控制欄位設置為53位，這樣，表達式內的所有浮點運算和雙精度運算都以53位有效數和15位指數進行。
  9. Equalization technology is a effective method which can remove intersymbol interference ( isi ) in digital communication

    均衡技術是數字通信系統中克服碼間干擾的有效方法，目前得到了廣泛應用。
  10. The thesis describes the detailed procedures of hand - writing data processing, including chinese character dot matrix building and display, vector data storage, chinese character dot matrix compression, transfer protocol and hand - writing chinese character re - building. also, stroke order based hand - writing chinese character recognition method is explored, and characteristic - recognition methods for chinese character with similar stroke order codes and the structure of hand - writing chinese character recognition dictionary are discussed

    第四，設計了服務器端的服務軟體，可以實現數據的解碼、重建、筆劃特徵提取、識別、數據管理功能；採用了基於筆段筆順編碼和結構特徵的識別方法並設計了識別字典的結構，可以有效的提高識別速度，達到較高的識別率。
  11. Speech communication is one of the most used modes in the digital trunking communication system. excellent algorithm of speech coding can save the bandwidth resource, improve the utilization of frequency, so it has important value for investigation

    語音通信是數字集群通信系統中最常用的通信方式之一，優良的語音編解碼演算法能夠更加有效地節省帶寬資源，提高頻率利用率，因此具有重要的研究價值。
  12. Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  13. This test platform is simplified ofdm digital television transmission system. the test platform provides a quick and efficient tool to testing the efficiency of ldpc coding for the setting up of dtv standard, without the need of the completing whold dtv system, saving time, improving work efficiency. even this platform is simplified version, but it still has all the key technique of dtv transmission system, accumulating experiences for the design of dtv transmission system, and it can easily expands

    由於數字電視傳輸系統是一個復雜龐大的工程，為了驗證數字電視傳輸系統中ldpc編碼的效率，以便於標準的確立，窄帶ldpc解碼-誤碼測試平臺就提供了一個快速，有效的編碼測試工具，而不用等整個系統完整的收發端設計完成之後才進行測試，大大的節省了時間，提高了工作的效率，有利於數字電視傳輸標準的盡快確定。
  14. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  15. This is achieved by ensuring thatany sequence of symbols formed by portions of two adjacent code words differs in at least one symbol from any valid word

    這可通過下述方法做到：保證兩個相鄰碼字的部分組成的任意符號序列與任一有效碼字至少有一個符號不同。
  16. Blind equalization is an effective way to suppress the inter - symbol interference ( isi ), which is caused by multipath fading communication channels

    摘要在數字通信中，盲均衡是克服多徑衰落通道導致的碼間干擾的一種有效方法。
  17. The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal

    混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。
  18. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  19. Constructor. this mask must contain only valid characters as defined by the masking language

    此掩碼必須僅包含掩碼語言所定義的有效字元。
  20. If the entire string only contains valid characters, according to their paste position in the input mask, then the entire operation will succeed

    中輸入若干個字元。如果整個字元串包含的所有字元對於它們在輸入掩碼中的粘貼位置均為有效字元，那麼整個操作成功。
分享友人
分享到 Line

分享到臉書