方波 的英文怎麼說
中文拼音 [fāngbō]
方波
英文
katanami-
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。The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值,不同頻率的方波、三角波、正弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的位移變形,並通過力傳感器實測了ipmc試樣末端的輸出力。Verification regulation of square wave polarograph
方波極譜儀試行檢定規程( 3 ) design a tusm ' s drive and control experimental device. it use dsp as the main element and squaresignal and syntonic drive mode. form the experiment, the system meet the tusm ' s drive and control. speed has fast response
( 3 )設計了一套行波型超聲波電機驅動控制系統電路。採用dsp作為驅動控制的主要器件,方波作為驅動信號,簡單的lc諧振驅動方式。Sine, triangle, square, ttl pulse and cmos output
正弦波,三角波,方波, ramp與脈波輸出Square wave unsymmetrical
方波unsymmetryAbstract : 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The pwm control of duty cycles acts as an electric transformer which regulates the amplitudes of equivalent input voltage and equivalent output voltage, so that both positive and negative amplitudes of equivalent input voltage are equal to those of equivalent output voltage
對器件占空比的pwm調節,相當于在電路中加入一個電子變壓器,使得輸入方波電源和輸出方波電源的正負電壓幅值分別匹配。Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment
本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型;設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案;對電機採用何種驅動方式進行了對比分析;對驅動電路進行了元器件選型、原理圖設計、制板及調試;有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊;設計了以dsp為核心的控制電路原理圖;以模塊化的軟體編程思想編制了電機控制軟體;通過tms320lf2407目標板、上位機、驅動板及電機的聯調,證明了系統可行。In every signal you produce, from the sine wave frequency accuracy to the fast rise fall times of square waves, to
其好處是您能修飾所產生的每一個信號,從正弦波的頻率精度方波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。Square - wave polarogyaph
方波極譜儀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。Sine, square, ramp, pulse, arb, and noise
正弦波,方波,諧波,脈沖,任意波和噪聲Sine, triangle, ramp and square waveforms
輸出波形:正弦波,三角波, ramp與方波Sine, square, ramp, triangle, pulse, noise, dc
正弦波方波諧波三角波脈沖噪聲直流Sine, square, ramp, triangle, pulse, noise, arb
正弦波方波諧波三角波脈沖噪聲任意波形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。The cyclic reversed - polarity square voltage not only saves power and electrode consumption but also preventes from electrode passivation and scaling on the surface of electrode resulting in steady quality of purified water
其中周期換向方波不僅能節省電耗和電極消耗,還可以有效地防止電極鈍化和電極表面結垢,出水水質穩定。分享友人