In television, an unwanted component in the picture signal output from a camera, caused by the scattering of light in the optical system.

电视中来自摄象机的图象信号输出中不希望出现的组成部分，它是由光学系统中光散射引起的。

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Light striking this detector liberates electrons from some of the silicon atoms, producing an electrical signal that is converted by the chip's electronics into a picture.

光照射到这个感应芯片上面然后从硅原子中激发释放出电子，这样就产生了一个电信号然后通过芯片的电子器件转化成图像。

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The picture elements across a line are converted to the video signal and low-pass filtered with an electrical filter .

沿着一条直线的图象象素被转换成视频信号，然后由一个电子滤波器进行低通滤波。

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To do that, the system essentially bombards the space with an array of wireless signals and keeps watch on any changes in signal strength, building up a "picture" of the room in the process.

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Micro Dimming Ultimate, available on the LED ES8000, analyzes the picture in hundreds of pieces to optimize the LED backlight and video signal for each piece in real time.

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Light striking this detector liberates electrons from some of the silicon atoms, producing an electrical signal that is converted by the chip's electronics into a picture.

ECONOMIST: Camera-phones