electrical filter

基本解釋

An electrical filter is required for every circuit entering the MRI room.
每一個(gè)進(jìn)入屏蔽室的電路都必須配備一個(gè)濾波器。
The picture elements across a line are converted to the video signal and low-pass filtered with an electrical filter .
沿著一條直線的圖象象素被轉(zhuǎn)換成眡頻信號，然後由一個(gè)電子濾波器進(jìn)行低通濾波。
A novel temperature independent FBG vortex flowmeter based on electrical filter technology and vortex flowmeter technology is presented.
採用電子濾波技術(shù)、渦街流量傳感技術(shù)提出了一種不受溫度影響的光纖光柵流量測量系統(tǒng)。

This is possible using algorithms that filter out interference caused by external electrical activity.
ECONOMIST: Brainwave controllers
They have long been employed in devices like mobile phones to filter electric signals (which can be done by converting electrical into mechanical energy and back again).
ECONOMIST: Acoustic microfluidics