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Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
用一低通滤波器和施密特触发器排除高频噪声脉冲。
A pre-amp component, such as a band-pass filter (32), causes linear distortion.
放大器前的部件,诸如带通滤波器(32),引起线性失真。
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。
A filter is designed to reject some substances, while permitting others to pass through.
VOA: special.2010.01.05
Once you can see it and once you can step back from it, then you can also decide, "This pass is my filter. This pass is my constraint.
一旦你看到了它,一旦你能退一步思考它,你就能决定,这么走可以去伪存真,这么走会遇到困难。
These holes let water slowly pass through the walls of the filter.
VOA: special.2009.06.22
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