The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
This paper introduces the basic methods for designing the low-pass filter, taking Butterworth filter as an example.
文章以巴特沃思滤波器为例介绍低通滤波器的基本设计方法。
This paper introduces the basic methods for designing the low-pass filter, taking Butterworth filter as an example.
文章以巴特沃思滤波器为例介绍低通滤波器的基本设计方法。
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