By using knife edge as object,and CMOS sensor as device for image analyzing,we get edge spread function from the image and use differential operation and FFT to obtain modulation transfer function of the lens,then its image quality is known.是什么意思_By using knife edge as object,and CMOS sensor as device for image analyzing,we get edge spread function from the image and use differential operation and FFT to obtain modulation transfer function of the lens,then its image quality is known.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句