Many different random PWM methods have been developed to reduce noise and suppress electromagnetic interference (EMI). A new dual randomized modulation of zero-vector and variable-delay is presented based on analysis and comparison of random PWM technologies.
从降低噪声和减少电磁干扰角度出发对各种随机PWM技术进行了分析和比较,在此基础上提出了一种零矢量-变延时的双随机PWM调制策略,该方法在简化数字化程序实现的同时,在调制比较低时有着独特的谐波频谱特性。
参考来源 - 交流变频驱动系统关键技术及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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