Or, the other way around, I have a function of x and y and I want to express it in terms of the polar coordinates r and theta.
反过来，有一个关于x和y的函数,也可以表示成极坐标r和θ
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.
本文采用多极坐标和复变函数方法针对半无限空间中P波在一衬砌周围的散射问题提出了一种近似求解分析方法。
The displacement solution is constructed by applying the methods of complex function and multi polar coordinates system.
利用复变函数和多极坐标方法构造了问题的位移解。
The data of polar motion, rotation of the earth and atmospheric excitation function are analysed by the Auto-Regression power spectrum method, and their spectra at low frequency band are obtained.
本文用自回归功率谱方法分析了极移、地球自转和大气激发函数的资料，得到了它们的低频谱。
Scattering of flexural waves by multiple cutouts and dynamic stress concentration in the thin plates were investigated in terms of the complex variable function method and multi-polar coordinates.
采用复变函数法和多极坐标方法，研究了弯曲波对含有多圆孔薄板的散射问题。
This paper proposes a kernel function - hierarchical log-polar matching kernel which making use of the feature spatial information for building classification in remote sensing images.
提出了一种利用图像特征空间信息的核函数——层次对数极坐标匹配核，用于遥感图像建筑物目标的分类。
The idea of adjusting the cohesive force between polar plate and dust is put forwards from the perspective of dust polarization theory and polar plate electronic work function.
总结大量国外研究成果，指出影响除尘器效果的最主要因素是粉体的粘结力，提出了从粉体极化理论和极板电子逸出功角度考虑来调节极板和粉体间的粘结力的想法。
The idea of adjusting the cohesive force between polar plate and dust is put forwards from the perspective of dust polarization theory and polar plate electronic work function.
总结大量国外研究成果，指出影响除尘器效果的最主要因素是粉体的粘结力，提出了从粉体极化理论和极板电子逸出功角度考虑来调节极板和粉体间的粘结力的想法。
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