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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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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A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture.

传输当前块的预测误差信号和运动向量，这描述了参考画面中预测器块位置。

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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.

ENGADGET: Researchers create Amazing X-Ray Wireless Network!

Technically, it's more of a "cat signal, " since the group's website, which launched a couple weeks ago, features a picture of a cat's face being broadcast into the sky.

CNN: A 'bat signal' to defend the open Internet