準正弦信號 的英文怎麼說
中文拼音 [zhǔnzhēngxiánxìnháo]
準正弦信號
英文
quasi sinusoid-
In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection
在迴路中採用逐級放大的方法，將一個標準的正弦波信號通過前級放大，輸出給后級，推動后級放大迴路，主要的功率放大迴路中採用大功率三極體並聯實現功率放大輸出。Based on the theories described above, calculation formula of general dimension of least square measure and multi - fractal fault diagnosis and analysis system have been established with borland c + + builder 5. 0, and checked by pure sinusoidal and cosine signal and sinusoidal signal with noise, and verified by the examples
基於上述原理，建立了最小二乘法的廣義維數計算公式，用borlandc + + builder5 . 0編制了以廣義維數計算分析為基礎的多重分形故障診斷系統，並對標準的正弦信號、餘弦信號及帶有噪聲的正弦信號進行了驗證。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module
該任意波形發生器不僅能產生正弦波，方波，三角波等常用的標準信號，還可根據用戶的需要生成任意波形，具有寬頻帶，高的頻率解析度等特點，其波形最高輸出頻率可達80m ，頻率解析度可達1 hz ，波形最大存儲深度為64k ，對于目前三種典型的任意波形發生器的結構? pc總線插卡式，獨立儀器， vxi模塊都有重要的參考價值。The standard sine waveform is generated by looking up the sine table, and the triangular carrier waveform is produced by a reversible counter
Spwm信號的產生採用正弦波與三角載波比較的方法，標準正弦波採用查表法實現，三角載波用可逆計數器實現。The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given
該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路，以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary
信號檢測單元直接檢測皮帶速度，並輸出近似正弦波的電信號：信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理，並進行數字顯示；預警、報警、控制單元將信號與標準信號進行比較，經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。The single - chip function generator icl8038 can get synchronous sine wave of constant amplitude in pll as voltage control oscillation ( vco ), which is a basic signal source of static frequency converter
單片函數發生器icl8038在pll中作為壓控振蕩器（ vco ）產生同步等幅正弦波，可作為靜止變頻器的基準信號源。Experimental results indicate that the method here has great improvement on the noise performance and frequency resolution and can detect effectively sinusoidals that have close - spaced frequencies
模擬實驗表明，本文方法具有較好的噪聲穩定性和較高的頻域分辨能力，能準確地檢測出頻率非常接近的正弦信號，具有較好的估計性能。分享友人