sine pulse meaning in English
正弦脉冲
Examples
- Sine pulse width modulation matrix converter based on digital signal processor
基于数字信号处理器的正弦脉宽调制矩阵变换器 - With single polar spwm ( sine pulse width modulation ) , the whole solution of hardware and software is presented based on the resource of the dsp controller chip
经对比系统采用了单极性调制的spwm方式，并根据核心处理芯片的各类资源给出了一套具体的软硬件数字化实现方案。 - The software implements sine pulse width modulation ( spwm ) , hybrid space vector pulse width modulation ( hsvpwm ) using assembly language of tms320f240 and achieves the purpose of variable - frequency adjusting - speed for induction motor
在软件方面，用tms320f240汇编语言编制程序实现正弦脉宽调制、电压空间矢量脉宽调制从而达到对异步电机变频调速的目的。 - The paper discusses a method that produces the spwm ( sine pulse width modulation ) waveform in detail , which is the changed equal - area arithmetic and compares with the equal - area arithmetic , and analyzes the harmonic that produced by the arithmetic , discusses the problem of dead - time and gives the resolvent
文中详细讨论了生成spwm波的一种改进的等面积算法的原理，进行了谐波分析，并和等面积算法进行了比较，讨论了死区问题和解决方法。 - 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
首先引入开关函数概念，建立了正弦脉宽调制( spwm )逆变器供电异步电动机，考虑主磁路饱和时的变频调速系统整体数学模型，模拟系统的低频振荡；其次从逆变器-异步电动机系统能量转换角度出发，提出通过检测逆变器输入电流中负电流的间隔时间是否大于1 / f _ c ( f _ c为逆变器载波频率)来判定系统是否出现低频振荡；最后的实验结果验证了系统低频振荡建模和判据的实用性和正确性。