...不同模糊程度的影像，并将其视为是清晰 影像透过高斯函式PSF（point spread function）的结果，以反向滤波（inverse filtering）的作法，估测出物体的景深。
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论文采用奇偶场矫正、反向滤波、多项式矫正和直方图平衡等方法，提出一个运动退化图象恢复的综合方案。
Then, they workout a restoration and enhancement scheme for linear motion degradation image by using inverse filter, geometric rectification and cubic spline interpolation.
其方法为：先将输入序列按顺序滤波，然后将所得结果逆转后反向通过滤波器，再将所得结果逆转后输出。
The method is that, first the input serial pass a designed filter, then reverse the filtered signal and pass the filter again, at last, reverse the second filtered signal.
该混频器主要由波导-微带过渡，输入、输出滤波器以及匹配网络和反向并联混频二极管对组成。
The mixer mainly consists of a waveguide-to-microstrip transition, input and output filters, matching networks and an antiparallel diode pair.
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