This paper presents an active power filter(APF)based on adaptive filter theory.The mathematic model of the APF is derived,and the performance of the APF is analyzed.是什么意思_This paper presents an active power filter(APF)based on adaptive filter theory.The mathematic model of the APF is derived,and the performance of the APF is analyzed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句