The angular distribution of the bistatic scattering cross-section from fractal sea surface for different fractal dimension and different spatial frequency is analyzed.
分析了不同分维下分形海面双站散射截面的角分布情况。
It is necessary to get the measure elements in the grabbed image when measuring various dimension parameters of the workpiece's cross-section by machine-vision method.
采用视觉测量方法对工件的各种断面尺寸参数进行测量时，需要在采集到的图像中找到被测量对象。
A double-dimension grid is formed first, then the choosing complicated cross section is analyzed and last the three-dimension grid is formed by stretching the double -dimension grid.
首先生成二维网格基面，选取三维场域的最复杂截面进行二维剖分，然后再将二维网格拉伸成三维网格。
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