字限定性 的英文怎麼說

中文拼音 [xiàndìngxìng]
字限定性 英文
word locality
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability

    目前,數語音技術已廣泛應用於許多通信領域,但是在水下利用聲波進行數語音通信卻是剛剛起步的新技術,這主要是由於水聲通道有的通信帶寬及其時變、空變等特所決的。
  2. Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well

    第四章設計和確了儀器系統軟體演算法的部分參數:分析和比較了不同群延遲特的數濾波器對頻率估計的影響;確了影響頻率估計參數?數據長度的取值規律;給出了判斷傳感信號有效的檢測方法並確了檢測門的取值規律。
  3. In view of researchers different opinions on the translatability of advertisements, this article first criticizes the undue use of the concept of " translation " and then points out that advertisement on the whole are translatable but some advertisements are not suitable for translation

    摘要針對譯界學者們對廣告可譯的不同態度,從界「譯」的范疇出發,論證了廣告的可譯及其度,指出廣告中不適譯現象的存在。
  4. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一的變換,需要快速、實時運算,因此必須使用高速的數微處理器和高能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一程度上制了有源濾波器的發展。
  5. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體能如a d 、 d a及dsp晶元處理速度的制,目前的軟體無線電系統多採用折中的實現方案,增加專用的數變頻器或者運行數變頻演算法,將射頻信號變頻到中頻,然後再進行基帶信號處理,這樣的軟體無線電系統又被稱之為「軟體義無線電」 ,它並不是真正意義上的軟體無線電。
  6. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩和可靠,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關,從而最大度避免了錯誤的發生。
  7. 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並介紹了密鑰共享,加密,數簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有域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 。
  8. Following the linear analysis, a new nonlinear theory for curved members with i - shaped sections is presented according to the theory of finite deformation, in which the effect of transverse stress is also incorporated

    在線分析的基礎上,依據有變形理論,建立了工形曲梁涉及穩問題的非線理論,其中考慮了橫向正應力的影響。
  9. The dissertation is divided into six chapters. chapter 1, summary, which explain the importance of the topic and suggest the system, method, and main contents of this dissertation. chapter 2 : the research of the theory of national debt and the practice of the debts issuing in china, in this part, we sum up the theory of national debts and the method of researching moderate scale in china and other countries. chapter 3 : the analysis of burden of national debts in china, which analyze the debts " burden by the rate of debts " burden and the rate of repayment of debts and the degree dependence of debts and so on. chapter 4 : influence factor study of the reasonable limit of national debts " quantity, in this chapter we get the factors that mostly affect the scale. using the actual datum and modern econometric and statistical analysis method, we conclude that the repayment of capital and interest and the finance deficit are the most important factors

    第二章國債理論研究進展和我國的國債實踐,綜述國內外國債理論研究的進展和我國國債發行的實踐以及國債適度規模的研究方法。第三章我國國債債務負擔分析,主要從政府償債能力和社會應債能力兩方面,選取了債務依存度、國債負擔率和國債償債率等指標,通過橫縱對比,對我國國債債務負擔進行了分析。第四章債務負擔合理數量界的影響因素分析,選取了九個與國債密切相關的指標,通過多重共線診斷、最佳回歸模型的選擇分析,最後選國債還本付息額和財政赤兩個與國債規模最密切的指標。
  10. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高能的快速傅立葉變換處理器的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特和規律,提出基4蝶算的演算法具有最好的價比,討論了順序、級聯、并行和陣列的處理結構,闡述了設計高速高能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理器,分析了點fft處理過程由於有長效應所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平臺模式。
  11. In the body of the dissertation, different performance indexes are defined and analyzed based on the analysis of different types of fwl errors in digital controller, and different fwl digital controller design and realization problems are considered and solved. the major contributions of this dissertation are as follows : considering the fwl errors of controller coefficients, define and analyze the closed - loop transfer function sensitivity measure with respect to the controller coefficients, obtain the optimal controller realizations via minimizing the transfer function sensitivity measure

    本論文首先對數系統,特別是數控制器設計與實現中的有長問題和非脆弱控制器設計的背景、歷史發展情況等作了簡單介紹,然後通過分析數控制器中不同來源的有長誤差,義不同的能指標,較系統地分析並討論不同的有長數控制器設計和實現問題。
  12. Due to the restrict of length and speciality, i have discussed emphatically the feasibility and necessity of faire use, statutory license and copyright administration to solve the copyright problems

    由於篇幅和專業所,筆者著重探討了著作權法上的合理使用制度、法許可制度和著作權集體管理制度對解決數圖書館面臨的著作權問題的可行、必要
  13. For instances : setting up a given tourism destination and trying to establish a kind of numeric relation between tourism development and crime rate ; whether the relation of tourism and crime be or not, the relation is inevitable or accidental ; the negative effect to the society and economy brought by the growth of tourism ; different tourists " behavior and the possibility that they could be victims, and etc. the article, basing on the particularity of tourism and integrating with some relative knowledge of criminology, definitely put forward the conception of tourism crime and tourism criminology, moreover, it also build up the elementary system of this discipline

    但是,迄今為止,學術界的研究還比較片面,大多於某個層次的研究,如:試圖尋找特旅遊目的地旅遊業發展與犯罪之間的數關系;旅遊與犯罪是否存在相互關系,其關系是必然的還是偶然的;旅遊業發展對社會和經濟造成的負面影響;不同類型旅遊者的行為模式及其成為受害人的可能;旅遊目的地激發犯罪的環境因素等。本文從旅遊活動的特殊出發,結合犯罪學的相關基礎理論知識,明確提出了旅遊犯罪和旅遊犯罪學的概念,並初步構建了旅遊犯罪學的學科體系。
  14. The aim of this paper is to propose a new method that is creatively based on the character of irrational number, the digital have no limit and no period. this article research some algorithms such as expending the irrational number to the arbitrary figure, initialing data and generating random number

    本文提出了一種新的產生隨機數的方法,創造的運用無理數數不循環的特,論文研究涉及將無理數展開到任意位、通過計算機位數決數據范圍並分組初始化數據、生成隨機數等主要演算法,主要用c和vb語言實現。
  15. On the other hand, in the approach based on vector - matrix, through several special operations on vector - matrix, we have constructed a sparse ‘ 0 ’, ‘ 1 ’ parity - check matrix with dual diagonal matrix whose structure can easily construct the code. the simulation results have demonstrated the performance of this approach is similar to that of - rotation while the complexity is also higher. this problem is to be solved in the future research

    在基於矢量矩陣的結構化方法中,通過對矢量矩陣進行一系列特殊處理可以構造出稀疏的『 0 』 、 『 1 』校驗矩陣,而校驗矩陣中的雙對角結構易於構造出相應的ldpc碼,模擬表明,採用矢量矩陣的結構化方法具有和-旋轉構造法相當的能,但是實現的復雜度大於-旋轉構造法,同時碼率和碼長受到一制,這也是未來需要研究的方向。
  16. Attitude angular sensor ( electronic compass ) is widely used in fields of aviation. space flight and navigation etc for navigational orientation and especially in the field of military, so the foreign countries are limited to export the high performance of digital module of attitude angular sensor to our country. the aim of research object is to manufacture the all solid state digital module of attitude angular to meet the requirements of multifields

    姿態角傳感器(電子羅盤)可廣泛應用於航空、航天、航海等需要導航位的眾多領域,尤其在軍事領域得到廣泛應用,因此國外一直制高能姿態角數模塊對我的出口,本課題研製的主要目的就是研製出全固態的姿態角數化模塊以滿足我國多領域的需要。
  17. Focusing on a 64 - bit high - performance general purpose microprocessor with fully independent intellectual property, the thesis investigates a 128 - word 65 - bit general register file with 12 - read and 8 - write ports which is a representational one for its large - scale and multi - port characteristics in that microprocessor, and realizes its full custom design with high speed in read and write access. from the layout simulation result, under the 0. 18um process, the upper limit working frequency for the register file is 900mhz

    本文面向一款具有完全自主知識產權的64位高能通用處理器,對其中具有代表的12865位12讀埠和8寫埠的通用寄存器文件進行研究,實現了它的高速讀寫全製設計,版圖模擬結果表明,在0 . 18um工藝下,設計可以工作的時鐘頻率上為900mhz 。
  18. As one of the main participators on the internet, the digital archives are in the center of the contradiction all along. moreover, because of the special status of archive information and all the national archives, this conflict tends towards complication : different copyright conditions of holdings, obscure attribution to the digitization right and the network transmission right, weak protection for the archive databases, immature of the copyright collective administration organization, high - degree flexibility of the " fair use " in the network, inconsistent of the terms in the relevant legislations or regulations, etc, all the difficult points turn up

    檔案館作為網路的參與主體之一,也一直處于這一矛盾漩渦的中心,並且由於它所提供的內容涉及檔案這一特殊信息形式,以及檔案館作為國家文化事業單位的特地位,其著作權問題更趨復雜化:館藏檔案著作權狀態不一、數化權與網路傳播權歸屬不明、檔案數據庫的弱保護、著作權集體管理組織尚未成熟、網路合理使用范圍高度彈化、相關法律法規內容互有交叉,等等,各種難點紛至沓來。
  19. After a great amount of detailed computer simulations and concise qualitative and quantitative theoretical analysis, the turbo codes " parameters and fpga specific hardware implementation architecture suitable for being integrated into dtv systems are determined. furthermore, the codec is completely designed with verilog hdl, ending with an occupation of less than a 600 - thousand - gate fpga chip. at this lowest hardware cost, a white noise snr threshold of 1. 8db at a net stream rate of 6mbps is achieved, which exceeds all other existent dtv systems " performance

    經過大量詳細的計算機軟體模擬和簡明扼要的量的理論分析,最終確了數電視系統中適合採用的turbo碼參數及針對fpga特殊構架的硬體實現結構,並用verilog硬體描述語言完成了turbo碼編譯碼器的完整設計,以佔用不到一片60萬門fpga晶元的較少的硬體資源取得了在6mbps凈碼率下1 . 8db的白噪聲信噪比門這一遠遠超過現有任何數電視系統的能。
  20. It qualifies the name for an xml element or attribute and helps avoid naming conflicts

    xml元素或屬的名並幫助它們避免命名沖突。
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