正規碼 的英文怎麼說
中文拼音 [zhēngguīmǎ]
正規碼
英文
regular code- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 規 : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
- 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...
- 正規 : regular; standard; normal正規部隊 regular troops; regulars; 正規教育 regular education; proper ed...
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There are many problems happened when international phonetic alphabet symbols are used in word - processing like nonstandard application, nonstandard encoding which cause a limitation on sharing and communication of datain teaching and research, for instance ; international phonetic alphabet and symbols contained in ones document cannot be accurately displayed when they are removed to another computer. there appears many nonstandard usage, unnecessary characters, symbols, rules, as well as some wrongly written letters which often delay publication of the papers
不僅應用上不規范,也不符合相關編碼標準,因而語言文字應用教學和研究相關數據的共享與交流等受到極大的限制。例如:某人采寫的文檔離開了作者的計算機就不能正確顯示或不能顯示國際音標字母和符號。還有以先定義后使用的形式出現了很多不規范的用例,甚至還「誕生」了一些不必要的字元和規則。One - sided autocorrelation sequence ; linear predictive coding ; cepstrum ; dynamic time warping
單邊自相關序列線性預測編碼倒譜動態時間規正Linear predictive coding ; lpc prediction error ; cepstrum ; dynamic time warping
線性預測編碼lpc lpcpe線性預測誤差倒譜動態時軸彎曲或動態時間規正dtwThe clients are therefore urged to apply for calibration accuracy appropriate to their usages ( see following paragraph for reference ) and specifications of their weights
所以客戶的申請校正級別最好能符合其用途(可參考下列段落)及其砝碼的規格。They are increasingly replacing conventional communication forms and obtaining extensively applications in modern military and commercial communication systems, for example, cdma communication system, gps, measuring and control system, satellite chain, identification of friend or foe and etc. therefore, corresponding dsss electronic counter technique becomes a big problem to solve in electronic warfare domain
正日益取代常規通信而廣泛應用於現代軍事和商用通信系統中,如碼分多址( cdma )通信、全球定位系統( gps ) 、測控、衛星鏈路和敵我識別等。因此,與之對應的直擴通信對抗技術也就成了通信對抗領域亟待解決的問題。Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。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。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。The common information they need are various types of job standards, operation regulations and working data. operators need telephone number list, formulated vocabulary, problem process program, while technicians need the working status information of the equipment ( normal, abnormal, busy, idle ), exception handles, routine maintenance procedures and the equipment configure data. the users of controlling layer are directors in charge of administration or technology who concerned with the operation of ccs
他們所需的信息主要有:各類工作標準、操作規程、業務資料,如話務員需要電話號碼簿、接轉規范用語、疑難問題處理程序及案例;糾察員需要話務員接續過程錄音、用戶申告內容和糾察評分標準;技術員需要設備工作狀態(正常、異常、繁忙、空閑)信息、故障處理程序、例行維護程序、設備配置資料;受訓人員需要訓練課程計劃、教學課件等。But the more i learned about coding the more i realized how important formal training in computer science would be
但我學愈多電腦編碼,我愈了解電算科學的正規訓練有多重要。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。His research concerns the development of formal semantic models of java, and extensions of java, both at the source and bytecode levels
他的研究涉及java的正規語義模型和java語言的擴展,都是在源代碼和位元組碼的級別上的。His research concerns the development of formal semantic models and extensions of the java language, both at the source and bytecode levels
他的研究涉及正規語義模型和java語言的擴展,都是在源代碼和位元組代碼的級別上的。1 formal record in place which indicates relevant process name, machine number, inspector name, time interval, inspected items, judgment, etc
正規紀錄清楚註明相關工序之名稱,機器號碼,檢查員名字,時段,檢驗專案,判定等The separation of creating and naming functions, for instance, allows the scheme programmer to create and use anonymous functions anywhere within their code while leaving normal, named functions easily coded
例如,創建函數和命名函數的分離,使得scheme程序員可以在代碼中任意位置創建並使用匿名函數,而同時也可以方便地編寫正規的、命名的函數。In the third chapter, the properties of the bipolar sequence are analyzed firstly. the auto - correlation, the cross - correlation and the accommodation of simultaneous users under given bit error rate between the bipolar codes and unipolar codes are compared. the conclusion is that bipolar codes have better auto - correlation and cross - correlation, and the system that uses bipolar codes can accommodate more users and simultaneous users
通過對其性質的總結,自相關曲線、互相關曲線的對比,以及在規定誤碼率條件下,使用雙極性序列的系統與使用光正交碼的系統之間的同時用戶數比較,得出以下結論,雙極性系統較之單極性系統具有更好的自相關、互相關函數,碼字容量更大,使用雙極性序列的ocdma系統在規定誤碼率條件下的同時用戶數比使用單極性序列的系統要多得多,雙極性序列完全適用於ocdma系統。In order to further improve the performance, we propose two new kinds of codes, which are ldpc / turbo code, simply denoted by “ l / t ” code, and the product code with generator - based systematic irregular ldpc codes as its component codes in rows and columns. the factors that can impact the performance of the coded systems are investigated and concluded through the simulations
為了進一步提高通道編碼的性能,本文又提出了兩種新的編碼方法,即l / t碼(組合ldpc和turbo編碼)和基於生成矩陣非正規ldpc碼的乘積碼,並在awgn通道下對其性能分別進行了模擬,總結出碼長,迭代次數等不同因素對譯碼性能的影響。To correct code analysis rule violations
更正代碼分析規則沖突This thesis offers a comprehensive study on the performance of ldpc codes. the author first presents a new method for construction of irregular ldpc codes based on generator matrix in order to significantly reduce encoding complexity. the simulation results are obtained over an awgn channel, and the obtained results are also compared with those acquired by the traditional approaches
本文在對ldpc碼進行了系統的分析和研究的基礎上,為了降低編碼復雜度,我們首次提出了一種基於生成矩陣的非正規ldpc碼的構造方法,並將其性能和傳統的基於校驗矩陣的ldpc碼進行了比較。Its decoding complexity is also lower than turbo code. recently, ldpc code has drawn the worldwide attentions in channel coding community due to its high performance and strong potential applications in practice
Ldpc碼的數學定義非常簡單,具有較大的靈活性,當碼長足夠長時的非正規ldpc碼具有比turbo碼更為良好的性能,其譯碼復雜度低於turbo碼。分享友人