This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.

这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题，而且结构简单。

youdao

This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.

这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题，而且结构简单。

youdao