pulse width modulated造句
例句與造句
- Pwm pulse width modulated
調(diào)諧脈沖寬度 - 2 use pulse width modulate ( pwm ) technology controls intensity of ultrasonic sound output . regulation is convenient
2 、用脈寬調(diào)制技術(shù)控制超聲輸出強度，輸出強度調(diào)節(jié)方便。 - This paper presents a new capacitive accelerator readout circuit used pulse width modulated ( pwm ) in single chip
本文的目的就是研究與設(shè)計單片微硅電容加速度傳感器讀出電路中頻變脈沖寬度調(diào)制模塊。 - The sine wave pulse width modulation ( spwm ) is used to reduce the wastage and the noise of the motor more effectively , as comparing to the equal pulse width modulated pwm
相對于等寬脈寬調(diào)制pwm ，正弦波脈寬調(diào)制spwm可以有效地降低電動機的損耗和噪聲。 - In this paper , a phase shifting pulse width modulated ( pwm ) soft switching high voltage invert power supply has been developed with the use of the principle of advanced invert technique and the new type of power semi - conductor device - insulated gate bipolar transistor ( igbt )
本文采用最新的逆變思想與新型的開關(guān)器件?絕緣柵型雙極晶體管( igbt ) ，研制出了移相式pwm軟開關(guān)高壓逆變電源。逆變技術(shù)發(fā)展至今，已經(jīng)逐漸向大功率方向發(fā)展。 - It's difficult to find pulse width modulated in a sentence. 用pulse width modulated造句挺難的
- Step power is the key for step magnetic potential , the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched , furthermore the design of the actuator drive adopts dsp as the digital controller is introduced
步進電源是產(chǎn)生步進磁勢的關(guān)鍵，文章研究了三角波為載波，階梯正弦波為調(diào)制波的脈寬調(diào)制技術(shù)，進而介紹了采用dsp組成全數(shù)字控制器，完成步進電源觸發(fā)的執(zhí)行器驅(qū)動器的設(shè)計。 - There are five parts are as follows : in part one , the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration , then the low frequency oscillation of the system is simulated according to the model . next , from the view point of energy conversion of the inverter - induction system , a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關(guān)函數(shù)概念，建立了正弦脈寬調(diào)制( spwm )逆變器供電異步電動機，考慮主磁路飽和時的變頻調(diào)速系統(tǒng)整體數(shù)學(xué)模型，模擬系統(tǒng)的低頻振蕩；其次從逆變器-異步電動機系統(tǒng)能量轉(zhuǎn)換角度出發(fā)，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大于1 / f _ c ( f _ c為逆變器載波頻率)來判定系統(tǒng)是否出現(xiàn)低頻振蕩；最后的實驗結(jié)果驗證了系統(tǒng)低頻振蕩建模和判據(jù)的實用性和正確性。 - The techniques with two different methods are classified as : the mode of pulse width modulated , and the difference of control signal . the advantages and disadvantages of each method is analyzed and compared , and where each method is more adapted to is pointed out . a type of switching power supply management ic based on current mode control method is designed which is a pwm boost converter
本文全面分析、描述了dc - dc開關(guān)電源變換器的控制方法,并依據(jù)脈寬調(diào)制的方法何采用控制信號的選取對控制方法進行了分類,詳細闡述了各種控制方法的基本原理,分析比較了他們各自的優(yōu)缺點,指出了每種控制方法所使用的場合。