數字比特流 的英文怎麼說

中文拼音 [shǔzìbǐtèliú]
數字比特流 英文
digital bit stream
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 比特 : [計算機] bit （信息量單位）比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  1. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  2. 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 。
  3. Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit

    通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流，在用數字信號處理的方法將音頻頻譜分割后，便分別將這些信號變換為模擬信號，然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。
  4. The article takes the yue people ' s divination recorded in the ancient books like history records etc. and the custom of divination handed down from their descendants - the zhuangs as the example, based on one symbol of the inscriptions on bones or tortoise shells of shang dynasty, and by comparison puts forward a new opinion that the numeral divination of changes came from the yue ' s divination

    摘要本文從甲骨文「特殊符號略」符號鍥入，以《史記》等古籍記載的「越人雞卜」及其後裔之一壯族至今仍在流傳使用的雞卦為例，通過對文獻記載、考古文物和民俗材料方面的比較研究，提出易經數字卦源於先越雞卦的新觀點。
  5. Basic principle, hardware structure and function of digital ic electrical meter are expounded. the meter not only has the features of low power consumption and low costing, but has the protective functions against over current, over voltage and electricity leakage. principle and calculation methods of electricity power, periodic compensation and precision compensation are also explained in detail

    詳細地敘述了數字式ic卡電度表的基本原理、硬體結構和基本功能，該電度表不僅具有低功耗、低成本的特點，過流、過壓及漏電保護功能，而且具有結構簡單、運行可靠、性能價格比高等優點.最後詳細地介紹了電能計量、精度補償、周期補償的原理及演算法的實現
  6. First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed

    本文首先綜述了數字集群移動通信系統的發展狀況，針對目前國際上流行的數字集群體制的技術特點進行了比較和分析，並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點，結合對軟交換控制技術的研究和分析，對集群系統重要的v + d空中介面協議及其通道復用進行了較為深入的剖析，對數字集群實驗系統的基站控制部分進行了論述，對呼叫控制流程進行了設計。
  7. This paper introduces the chips, hardware and software of hdtv stbs available in the market, and analyzes and compares their features

    摘要針對硬盤式高清數字電視機頂盤，從目前流行的機頂盒主晶元、硬體結構以及軟體架構的特點進行了分析比較。
  8. Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，採用了目前比較流行的數字信號處理器（ dsp ）作為系統的控制器，其處理速度高的特點正好符合本實驗的需要：在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  9. Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，本課題採用了目前比較流行的數字信號處理器（ dsp ）作為本實驗的控制器，其處理速度高的特點正好符合本實驗的需要；在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  10. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手，以絕緣結構故障的典型特徵? ?局部放電為研究對象，重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點；在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后，根據其缺陷，本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點；以電機軸承、氣隙偏心等故障為研究對象，通過對電機振動和轉速頻率的檢測，診斷電機的故障類型；本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中，力求使電機故障診斷更接近人工智慧化；最後，本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計，為實現預測維修提供了有效的技術手段。
  11. With its smaller volume, lower price and better anti - jamming, singlechip have been widely applied in modern control system operating scene which have been put in collecting data in order to achieve shop floor control. the pic singlechip which is made by microchip co. in the u. s. a, with its risc architecture, high price verse performance ration, high speed, has been working in low voltage, lower power depletion, higer driving power, lower price otp technology and smaller volume, has been represents a new trend in the microprocessors ; as a transmission media, sms ( short message service ) which is a basic service in the gsm network, with its lower price and high reliability, has become important media in people ’ s daily life and trade communication ; led ’ s panel which has been applied in publishing the news and advertising in the enterprise is a control technic, a photoelectricity technic, communications technic, digital - image processing technic all rolled into one

    單片機以其體積小、價格低、抗干擾性好等特點，在現代控制系統中常用在操作現場進行數據採集，以及實現現場控制。 pic單片機系列是美國microchip公司推出的，採用risc結構的高性價比嵌入式控制器，其高速度、低電壓工作，低功耗，強大驅動能力，低價otp技術，體積小巧等都體現了單片微控制器工業的新趨勢;作為信息的傳輸媒體， sms短消息服務是gsm網路的一種基本業務，以其低成本、高可靠性的方便快捷通信方式成為人們日常生活和商業交流的重要載體;集控制技術、光電技術、通信技術、數字圖像處理技術於一體的led電子顯示屏為企事業的信息發布和廣告宣傳提供了廣闊的便利。
  12. After making a full thought on the previous computer phonetic processing and recognition technology, the author devotes the paper to the designation of phonetic samples, phonetic boundary detection, phonetic auto - segmentation, the design of phonetic distinctive feature database, the memory ways for store phonetic data, the contrastive contents about words and phrases on psc examine papers and the design of the system window. the author also offers a typical flow diagram and a program about using the visual studio software to draw procedures which plays an important role on the realization about the final success of the software system discussed on this paper

    在借鑒和參考目前計算機語音處理和識別技術的基礎上，著重對語音樣本的選取、語音端點檢測、語音自動分段、以及語音特徵數據庫的設計、語音數據的存儲方式、 psc試卷單字、詞語的對比內容、系統的界面設計進行了深入的探討和研究，詳細列出了一些有代表性的流程圖，提出了利用visualstudio可視化計算機軟體進行編程的具體方案，對本軟體的最終程序實現具有指導作用。
  13. 1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart

    本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。
  14. In section 4. 2 we analyze its main idea and algorithm in detail, two relevant theorems included ; section 4. 3 provides plenty instances so to explain its nonlinear dimension reduction ability, section 4. 4 propose a combined method that integrates the advantage of various methods. in section 4. 5 we analyze some significant problems in lle, including the locality of manifold representation, the choice of the neighborhood, the intrinsic dimension estimation and the parametric representation of mapping. in section 4. 6 we design an algorithm for estimating the intrinsic dimension in the base of locally linear approximation and discuss the choice of its parameters

    第四章是本文的重點內容，研究一種全新的非線性降維方法? ?局部線性嵌入方法，對它的思想和演算法進行了詳細的分析，給出演算法兩個相關定理的證明；第三節對比主成分分析，通過實例說明局部線性嵌入方法的非線性降維特徵；第四節在此基礎上提出了旨在結合兩者優勢的組合降維方法；第五節提出了局部線性嵌入方法中存在的若干關鍵性問題，包括流形的局部性、鄰點的選擇、本徵維數的估計和降維映射的表示，第六節基於局部線性近似的思想提出了一種本徵維數的估計方法，設計了實用演算法，結合實例對演算法中參數的選取進行了討論；最後一節提出了一種基於局部線性重構的圖形分類和識別方法，將其應用於手寫體數字的圖像分類識別實驗，實驗得到的分類準確率達96 . 67 。
  15. Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load

    在分析與比較峰值電流模式與平均值電流模式控制策略的基礎上，給出平均值電流模式pi調節器的設計方法，利用matlab軟體對變換器進行了數字模擬，證實了變換器在額定功率范圍內動、靜態特性良好；過載情況下變換器具有自動限流、保護主功率器件的特性。
  16. On the request of high performance of real - time, the popular microcomputer core dsp is used in the design of hardware, besides, its high speed of running is suitable for the experiment. in the main circuit, the three - phase rectification bridge have been used, which makes it more suitable for the system of high - power timing

    在本系統的具體實現上，本文採用了目前比較流行的數字信號處理器（ dsp ）作為系統的控制器，其處理速度較高，正好符合本實現實時性要求高的特點；在主電路上，本系統採用了傳統的三相橋式全控整流電路，從而使該系統更適用於大功率調速系統。
  17. Digital audio - interface for non - linear pcm encoded audio bitstreams applying iec 60958 - part 4 : non - linear pcm bitstreams according to the mpeg audio format ; corrigendum 1

    數字音頻.應用iec 60958的非線性pcm編碼音頻位流的介面.第4部分:符合mpeg音頻格式的非線性pcm比特流.技術勘誤1
  18. Digital audio - interface for non - linear pcm encoded audio bitstreams applying iec 60958 - part 3 : non - linear pcm bitstreams according to the ac - 3 format ; corrigendum 1

    數字音頻.應用iec 60958的非線性pcm編碼音頻位流的介面.第3部分:符合ac - 3格式的非線性pcm比特流.技術勘誤1
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