对空间滤波法的零频滤波与刀口滤波显示位相型物体的非均匀位相分布进行较为普遍且详尽的分析讨论，并给出一些实验结果。
Universally analyzed and discussed in this paper is the visualization of inhomogeneous phase distribution of phase objects with spatial zero frequency filtering and knife edge filtering method.
在层去图象法测量系统中，由于诸多因素的影响，物体的空间坐标与截面图象坐标之间存在着复杂的非线性映射关系。
There is complex nonlinear mapping between the object space and image space due to many factors in cross-sectional imaging measurement system.
本文报道了基于空间滤波法对变加速运动物体表面运动速度进行实时测量的实验研究。
Experimental study is reported on real time measurement of velocity of solid surfaces by using spacial filtering method.
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