极性调制 meaning in English

polar modulation

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。
This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation , at the same time the results are given
本文对双极性调制的无刷直流电动机仿真分析了转速和调制频率对转矩影响同时给出仿真结果。
This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation ; the influence of snubber circuit , dead time effects , and modulation frequency to igbt pwm inverterbridge is taken into account , too
本文对双极性调制的无刷直流电动机仿真，分析了转速和调制频率对转矩影响；并综合考虑缓冲电路、控制死区及载波频率对pwm逆变电路中igbt开关损耗的影响。