考察了光谱狭缝宽度的影响。
为了得到像斑的二维光谱，需要做狭缝扫描。
The slit scanning is required to obtain two-dimensional spectral imaging.
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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