Linear variablefilter is a kind of optical coating device that be popular used in miniature fast spectrometer apparatus.
线性渐变滤光片是一种在小型快速分光测试设备中广泛应用的光学薄膜器件。
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The module is designed for both integral and fractional scaling ratios and utilizes variablefilter window for calculating pixels of a scaled image to realize pixel re-sampling.