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介绍了用单片机产生低频三相正弦信号的原理和方法 ,叙述了对频率和幅值的控制原理 ,指出了实现的途径。
The principle and method of generating low frequency three - phase sinusoidal signal by single - chip microcomputer are introduced. The control principle of frequency and amplitude is described and the way of realization is pointed out.