描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
研究和测量sprite探测器调制传递函数(MTF)，是为了分析、评价该探测器的空间分辨性能。
To characterize and evaluate the spatial resolution of SPRITE detector, it is needed to measure the modulation transfer function (MTF).
目的通过测量ct系统调制传递函数客观有效地反映CT系统空间分辨能力。
Objective To evaluate the high resolution of ct system by measuring the modulation transfer function (MTF) of ct system.
根据光学传递函数、调制度和空间频率视觉及对物象的感知程度，制作TIFF格式透视灰度图。
According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made.
在低空间频率范围内，后者和前者的探测率比近似等于SPRITE探测器的调制传递函数，接近于1。
The result indicates that the ratio of the detectivities is approximately equal to the modulation transfer function of SPRITE detectors in the region of low spatial frequency, which is near 1.
在低空间频率范围内，后者和前者的探测率比近似等于SPRITE探测器的调制传递函数，接近于1。
The result indicates that the ratio of the detectivities is approximately equal to the modulation transfer function of SPRITE detectors in the region of low spatial frequency, which is near 1.
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