square wave 中文意思是什麼

square wave 解釋
短形波
  • square : n 1 正方形，四方塊，四角；方形物。2 （方形）廣場；〈美國〉（四面都是馬路的）方陣建築；街區；（方...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. As an example of the technique, let's compute the fourier series which corresponds to a square wave.

    作為這種方法的一個例子，讓我們計算一個方波的傅里葉級數。
  2. Verification regulation of square wave polarograph

    方波極譜儀試行檢定規程
  3. Square wave unsymmetrical

    方波unsymmetry
  4. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  5. Digital control system of permanent magnet square wave brushless dc motor based on dsp

    的永磁方波無刷直流電動機數字控制系統
  6. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  7. It was found that the dropping rate in remnant polarization, pr ( n ), of the samples would be accelerated when a high intensity or low frequency or square - wave of electric field was applied or at a lower temperature

    實驗結果表明，在高電場強度、低電場頻率和在方波電場的作用下以及較低的溫度下，鐵電陶瓷材料剩餘極化強度p _ r （ n ）下降的速度變快。
  8. Square - wave polarogyaph

    方波極譜儀
  9. The method using square wave excitation presented by the paper is verified by theories and experiments that the method meets the requirement of accuracy, and this method ' s application simplifies manipulations and improve greatly the calibration efficiency

    其中本文提出的方波信號激勵的比較校準法，理論和實驗證明不僅滿足校準精度要求，而且簡化操作，大大提高了校準的效率。
  10. In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer

    在吸收前人研究成果的基礎上，文中提出了工作用壓電加速度傳感器校準系統應用方波信號激勵，同時應用快速傅立葉變換（ fft ）的方法來實現比較法校準。
  11. The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time.

    這樣收到的信號看起來不再象矩形波，而是受到畸變，並且持續時間延長了。
  12. Square wave oscillation

    矩形波振蕩
  13. The features of the new type of integration scheme can be described as follow : high division and easy debug are achieved in the scheme ; accumulative total is used, and the discord of integer part and decimal part are avoided in the scheme ; it can divide as well as detect direction ; it can integrate the counter into isp device and then evaluate the maxim frequency of the counter ; it also integrate square wave and some logic devices into isp device, and then improve integration, reliability, stability ; and have the character of software designation instead of hardware designation and in - system programming, and it becomes very easy to modify the circuit and to extend the function

    新型的集成化設計方案具有以下特點：細分數高而且調整方便；採用累積計數，避免大小數分別計數的不協調；細分同時完成辨向；可以在isp器件內完成計數功能，從而提高了計數器的最高工作頻率；同時將方波發生器和一些外圍的數字電路集成在一片isp器件內，提高了系統的集成度，性能可靠穩定；具有硬體設計軟體化及在系統可編程的特點，便於電路的修改和功能的擴展。
  14. The electrochemical performance of high silicon - iron anodes exerted by square wave pulsed currents ( swpcs ) was studied by electrochemical

    摘要採用電化學方法和陽極消耗率評價法研究了高硅鑄鐵陽極在方波脈沖電流作用下的電化學性能。
  15. The power includes the following characters : being able to output signal - pole, double - pole and multi - pole spwm waves ; being able to output square wave ; being able to modulate frequency and modulate output voltage range

    該電源具有如下特點：可以輸出單極性、雙極性和混合極性spwm波；可以輸出方波；可調頻調幅。
  16. A special circuit is designed to generate square wave with frequency up to 100mhz based on a high speed hysteretic and differential comparator

    該電路以一個高速比較器為核心，具有差分、遲滯的特色，可產生頻率高達100mhz的方波。
  17. 2ms square - wave capacity a100

    2ms方波通流容量a 100
  18. In the second part, the discussion focused on the principle of sine wave and square wave correlative phase discrimination principle

    第二部分著重討論本課題選擇的正弦波與方波信號并行相關鑒相測距成像的方法。
  19. Based on chaos critical state detection method, two approaches are used : one is that making a pretreatment on dsss signal to take out the period information of the signal. the other is that starting from the analysis of the sensitivity of duffing system to ambi - polar square wave modulated by sine signal, the

    通過兩種途徑:對信號進行預處理，提取出其中的周期信息，轉化為單頻信號檢測;從研究duffing振子對方波調制信號的敏感性出發，全面分析其中的間歇混沌現象，實現信噪比- 20db以下dsss信號的檢測。
  20. The general signal sources represented by arbitrary waveform generator ( awg ) have become the most popular instruments in modern testing domains. awg can not only generate conventional waves such as sine wave, triangle wave, square wave, etc, but also generate unconventional waves such as linear frequency modulation wave, phrase modulation wave, amplitude modulation wave etc, the most important, it can create arbitrary wave

    由於它可產生包括各種理想及非理想的波形信號，不但可以產生純凈的正弦波、方波、三角波等常規波形，而且可以產生線性調頻、調相、調幅信號以及程式控制占空比的低占空比方波，更為重要的是，能夠根據用戶測試需求生成任意波形。
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