The OTF (Optical Transfer Function) of an optical system can be evaluated by the Fourier Transform of the first derivative of the optical image of an knife-edge (object).
对光学系统输出刀口像的一阶导数做傅里叶变换，可以得到该系统的光学传递函数（OTF）。
We also analyse different interpolating methods , knife edge, gray-draw, height, angle which effect Modulated Transfer Function(MTF).
我们主要分析了不同的插值方法，刀口，灰度拉伸，高度，角度对MTF的影响。
We also analyse different interpolating methods , knife edge, gray-draw, height, angle which effect Modulated Transfer Function(MTF).
我们主要分析了不同的插值方法，刀口，灰度拉伸，高度，角度对MTF的影响。
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