The experiment results verified the effectiveness and practicability of the random PWM.
实验验证了这种随机PWM的有效性和实用性。
Random PWM technology is a direct and effective way to alleviate acoustic noise in adjustable-speed system.
随机脉宽调制是解决交流调速系统中声学噪声的直接有效方法。
The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed.
分析了随机信号对开关函数功率谱密度特性的影响，据此提出随机脉宽调制技术的实用化设计方法。
The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed.
分析了随机信号对开关函数功率谱密度特性的影响，据此提出随机脉宽调制技术的实用化设计方法。
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