數字線性代數 的英文怎麼說

中文拼音 [shǔzìxiànxìngdàishǔ]
數字線性代數 英文
numerical linear algebra
  • 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 ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 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
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. Fir ( finite impulse response ) filter is one of the basic algorithms for digital signal processing, which is a kind of important lti discrete - time system, widely used in acoustic processing and image processing area

    Fir （ finiteimpulseresponse ）濾波器是數字信號處理的基本演算法之一，是一類較為重要的線性時不變系統，廣泛應用於聲音、圖像處理等現代通信技術中。
  2. Since its foundation in 1999, coslight communication has always insisted on the core value of “ contributing to our country ; serving the people ”, and constantly innovated, in order to get the chance of speedy development with its core technology, efficient management, and sales service in the era of 3g and digital tv

    光宇通信自1999年創建以來，堅持光宇「報效祖國，回報人民」的核心價值觀，不斷開拓創新，在以3g和數字電視為標志的無線數字時代，全力打造核心技術、高效管理、營銷服務三大核心競爭力，獲得可持續性高速發展。
  3. By means of the law of large number, repeated sampling method and nonlinear regression method, the direct component models are built up for bronze inscription system, seal script system, official script system and song dynasty regular script system

    藉助于大數定律、重復抽樣方法和非線性回歸方法，分別建立了金文、小篆、漢隸和宋楷幾個具有代表性的、不同時代的漢字系統直接構件關系模型。
  4. Bases on living mode in the digital era, with digital technology " s application in architecture field and its effects on traditional architecture system as main line, through analyzing and comparing the relation between virtual space and physical space, this article discusses the transformation of architecture concept from physical space to virtual space and its developing trend. it also discusses some of the features of virtual space

    本文以人們在數字時代的生存模式為基點，以數字技術在建築領域中的應用和對傳統的建築體系的影響為主線，通過分析和比較虛擬空間和實體空間之間的關系，討論了建築概念由實體空間向虛擬空間的轉變和發展趨勢，同時也就虛擬空間的某些特性作了一定的論述。
  5. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  6. Realization of the wide - band shaping filter in baseband is carefully analyzed, and then a low - cost realization method is brought forward. furthermore, through shaping filters, i / q route self - synchronization and compensation and revise of the nonlinearity and the imbalance of amplitude and phase of the modulation circuits are advanced

    分析了基帶寬帶數字成形濾波器的實現難點，提出了低代價的實現方法，並利用成形濾波器解決了調制端i / q自動同步，調制電路的各種非線性和幅相不平衡的補償校正等問題。
  7. In addition, the analog quantity and switch quantity control of the former system is replaced by the digital quantity control, which can improve precision of production and reliability of the system

    另外，系統採用基於sci串列通信總線的數字控制，代替原系統中的模擬量和開關量控制，能夠有效提高系統的生產精度，改善系統的可靠性。
  8. Tetra - the new digital trunked communication system, specifies algebraic codebook excited linear prediction ( acelp ), which is improved codebook excited linear prediction ( celp ), as its speech codec. the bit rate of it is 4. 567kbit / s

    本文首先詳細介紹了新一代數字集群通信系統tetra的語音編解碼採用的編碼速率4 . 567kbit s的代數碼本激勵線性預測（ acelp ）演算法。
  9. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上，通過對原模塊缺陷的分析，採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度，將原模塊中的所有數字電路全部集成在fpga晶元中，這樣不僅能節約成本，還能提高電路的可靠性和測量精度;採用高速的數字信號處理器（ dsp ）取代原有的單片機作為協處理器，來接收vxi發來的各種命令，分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號，能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平，該比較電平值能夠根據實際需求進行設置，能增強模塊的使用靈活性。
  10. On the basis of the geochemistry digital model arithmetic of triangulated irregular network, i change the arithmetic of auto - tracing isoline. in process of auto - tracing isoline, the proplem of tracing - crossand and mini - heave was resolved. the isoline is smoothec by linear overlap algorithm. in addtion, the model can build other unit of map such as extramum point, polygon

    在不規則三角網數字模型的基礎上，改進並實現了等值線生成演算法，解決了等值線生成中的分叉問題，解決了等值線上的小凸起問題；對等值線採用線性迭代演算法進行了圓滑處理；提出延伸三角網演算法，用於實現了開等值線的閉合；生成用於地學分析的區域圖元，等值線圖元，極值點圖元等。
  11. Then taken four kinds of maps for examples, comparing with m - sequence, their properties are calculated, verifying the advantages of the chaotic sequence generated by the new method. after this, an improved scheme is discussed - - using m - sequence to change the sequence ’ s turn and verifying that the permutation parameters have effect on improving the sequence ’ s properties. in chapter 5, monte carlo simulation method is used to test performances of our sequences ’ applications in the given model of direct spread spectrum cdma system, and results of error rate of the system are given ; the comparing resuls of performances of anti - multi - access interference and anti - multi - address interference of different pn sequence is also shown in this thesis

    本文首先對擴頻通信中常用二進制偽隨機序列的產生方法、性能特點進行了總結，指出了現有二進制偽隨機序列的應用局限性;其次，根據混沌非線性系統特徵，深入研究了混沌數字序列的產生方法;在此基礎上，提出了一種新的產生方法中間抽取法，然後，以四種混沌映射系統為例，對其所產生的混沌數字序列進行了偽隨機特性實驗數據分析，並與m序列進行比較，結果說明了混沌數字序列代替傳統擴頻序列的優點，同時驗證了新方法的可行性。
  12. In this article, we study the implemetation of fpga for elliptic curve digital signature algorithm. based on number thesis 、 abstract algebra and complex thesis ， integrated information theory 、 cryptography and some specific relevant algorithm ， we ascertain the implementation of ecdsa for hardware project ： according to the design idea of hiberarchy and modularization, we adopt very high speed ic hardware description language ( vhdl ) as design input and simulate the design in every level and every model for the correct of the fundamental design. after finish the top design, we perform the whole simulation. then ， we carry out the timing simulation after the logic synthes and layout

    本文從實際應用出發，研究了橢圓曲線數字簽名演算法的fpga的實現：以基本的數論理論、抽象代數和復雜度理論為依據，結合信息論、密碼學的一些知識以及一些具體的相關演算法，確定了ecdsa的硬體實現方案：按照層次化、模塊化的設計思想，採用硬體描述語言vhdl作為設計輸入進行ecdsa的硬體設計；在每個設計層次和每個模塊都進行了模擬驗證，得以保證底層設計的正確性。在確保每個模塊的設計正確后，完成對電路的頂層設計，進行總體的模擬。
  13. Lla to improve the system performance in time - variant channels. finally, we present the implementation of the ofdm digital receiver with tms320c6701 and xilinx " s fpga. dsp and fpga resolution is prefered because of its flexibility and software intelligenzation. and in this last chapter, we also represent the solution to the problem in the process of hardware design

    最後，論文基於以上討論，從工程實現的角度討論了ofdm數字接收機的設計：採用當代性能卓越的c6000dsps和xilinx的fpga ，用軟體無線電思想架構ofdm數字接收機物理平臺，提高了系統的集成度、軟體智能化以及靈活性。
  14. ( l ) in order to conquer the complexity of controller, the direct adaptive neural network control is induced into active vibration control system and the digital simulation is made on the two - stage isolation mounting. the error channel is replaced with sgn function in this method. the results indicate the theoretical feasibility of the method

    （ 1 ）將直接自適應神經網路控制方法引入雙層隔振振動主動控制系統，該方法將誤差通道納入神經網路用sgn函數替代，不需要預先或在線辨識系統的數學模型，從而降低了控制系統的設計復雜性，在雙層隔振臺架上進行了數字模擬研究，結果表明了該方法的理論可行性。
  15. Fieldbus technology is a digital, distributed, open and inter - operational technology, which represents the development trend of industrial control system

    現場總線技術具有數字化、全分散性、開放性和互操作性等特點，代表了今後工業控制網路發展的方向，是當前自動控制領域中倍受關注的技術之一。
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