正弦復數 的英文怎麼說

中文拼音 [zhēngxiánfùshǔ]
正弦復數 英文
complex sinusoidal quantity
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.

    用復數算術推導了正弦，餘弦的加法公式。
  2. The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.

    目的是用鎖相環電路? pll和dll （延遲鎖相環）實現usb2 . 0收發器宏單元utm的時鐘恢復模塊。其中pll環路構成的時鐘發生器將外部晶振的12mhz正弦信號生成60mhz 、 120mhz 、 480mhz等本地時鐘信號。 dll環路依據本地時鐘信號對外部數據信號進行時鐘恢復。
  3. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋函數和廣義橋函數均為三值函數系，都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交函數，如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交函數方面研究的一些新進展，重點介紹了復制理論和廣義復制方法，橋函數、廣義橋函數的復制生成方法、性質及其應用等專題
  4. Point in the number of times of a repetition in period, or each of cycle number. calculate the unit to hz hertz, such as the frequency is 1000 hzs 1 khz signal 1000 every second then contain the cycle of the sine wave

    指在一個周期內的重復次數，或每秒的周波數。計量單位為hz hertz ，如頻率為1000hz 1khz的音頻信號每秒便有1000個正弦波的周波。
  5. The electromagnetic field theory and the variation method is applied to found the 2d mathematics model during the process of starting of the induction machine with compound cage rotor. the dispersion, element analyse and collectivity composing of time - variation field are given

    利用電磁場理論和變分法建立了復合籠條轉子感應電動機起動時二維電磁場的數學模型，給出了正弦時變場單元分析過程和離散格式以及最終的總體合成方程。
  6. By using the measure and research of the emulating two - port network parameters of using direct - current analysis and figure value output function of sinusoidal steady state circuit in circuit emulating software pspice8. 0, the measure and research have solved the problem of the measuring purely resistive network of simple and odd one in traditional experimient, and also brought about the analysis of alternating current and direct - current for two - port network of any one complex and measure and research of y 、 n 、 z 、 t 、 h and so on parameters, and this opens up one new path for many traditional experimient of not easy to fulfil and for the complex circuit

    摘要利用電路模擬軟體pspice8 . 0中直流分析及正弦穩態電路的數值輸出功能模擬二埠網路參數的測量與研究，解決了傳統實驗中只能測量簡單、單一的純電阻網路問題，實現了對任一復雜二埠網路交、直流的分析及y 、 z 、 t 、 h等參數的測量與研究，為更多的不易完成的傳統實驗以及復雜電路的分析研究開辟了一條新路。
  7. To do so, astronomers resort to fourier analysis, a mathematical technique that allows them to break a complex curve into a set of simple ones called sine waves

    為了達到這個目的，天文學家們採取了傅立葉分析方法? ?這是一種數學研究方式，它允許天文學家們將一個復雜的曲線圖分解位一些叫做「正弦波」的簡單曲線。
  8. Discrete cosine transform ( dct ) is one of common transform encoding technique in common use of image compression. because such advantages as relatively matured theory, arithmetic and hardware ; ease to move relativity ; fit human vision system ; less calculation ( not include plural calculation ) : ease to realize and so on, dct compression is widely used

    離散餘弦變換（ dct ）是圖像壓縮中經常用到的正交變換編碼技術，由於理論、演算法和硬體相對成熟，去相關性好，適應人眼的視覺特性，計算量不大（沒有復數計算） ，易於實現等優點， dct壓縮編碼的應用非常廣泛。
  9. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解，從而將土體動力平衡方程解耦，求解得到了土層的振動模態和阻抗因子，然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用，求解樁的動力平衡方程，得到了樁頂的頻域響應解析解、復剛度和速度導納，利用卷積定理和傅里葉逆變換，求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  10. In order to research sinusoidal - and trapezoidal - current compound driven technology, the controller uses variable structure control ( vss ), by designing switch function s ( x ), which switches motor between sinusoidal - and trapezoidal - current driven technology, and thus realizes motor ' s excellent control in different range of speed. also we do software simulation using matlab

    為了研究方波驅動和正弦波驅動的復合控制，控制器採用變結構控制，通過設計切換函數，使電機在正弦波驅動和方波驅動兩種控制模式下切換，實現不同速度段的優良控制特性，並用matlab軟體對整個復合驅動系統進行了模擬實驗。
  11. This thesis mainly studies sinusoidal - and trapezoidal - current compound driven technology of the rare earth permanent magnet ( repm ) motor. first we respectively explore the characteristics of both sinusoidal driven and trapezoidal driven control technologies, and then study the connection between them

    首先從正弦波驅動電機和方波驅動電機的基本概念和數學模型著手，分別探討正弦波驅動電機和方波驅動電機控制的特點，然後尋找方波驅動電機和正弦波驅動電機的內在聯系，將其有機的結合起來，從而形成獨具特點的復合驅動控制策略。
  12. During the process of numerical calculation of electromagnetic, the stator terminal voltage is set as restriction condition and the starting current is iterated in order to obtain the starting current and starting torque under the rating voltage. finally, the calculated results and measured results are compared to test that the calculation of starting performance can agree with the need of practical engineering project

    在電磁場的數值計算過程中，以定子端電壓為約束條件，對定子起動電流進行了迭代計算，得到了額定電壓下的起動電流和起動轉矩，最後把正弦電磁場計算結果與實測結果進行了對比，表明復合籠條轉子感應電動機起動性能的計算結果滿足工程實際的需要。
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