CCD作为光谱分析和测色仪器的光谱接收器件，光谱谱线定位受单色仪狭缝和CCD光敏元尺寸影响。

CCD as receiver is used to analyze spectrum and measure color. Orientation of optic spectrum line is affected on silt of monochromaticity and size of CCD photosensitive unit.

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本文采用小功率红外发光管作光源，用光敏二级管作光接收器件，建立了高灵敏度的光波通信系统。

In this paper, a high-sensitivity lightwave communication system is set up by using a mini-power near-infrared LED as a light emitter, a phototransistor as a photoelectric receiver.

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