To improve the effect of the optical spatial filtering, the effect of the window function on lowpass spatial filtering is analyzed.
为改善光学空间滤波的效果，分析说明了低通滤波器窗函数对光学空间滤波效果的影响。
To improve the effect of the optical spatial filtering, the effect of the window function on lowpass spatial filtering is analyzed.
为改善光学空间滤波的效果，分析说明了低通滤波器窗函数对光学空间滤波效果的影响。
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