A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).

一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。

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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。

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In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.

在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。

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