Compared with the injected s signal technique, this method is called low frequency AC signal injection method.

交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。

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Compared with the injected s signal technique, this method is called low frequency AC signal injection method.

交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。

youdao