为了进一步提高光学元件的线条制作精度，建立了极坐标激光直写时线条中心径向漂移的补偿模型。
A model for compensation of radial shift was established to further improve fabrication precision during polar laser direct writing.
自适应滤波算法(1)研究了极坐标系下的水下目标被动跟踪问题，建立了被动跟踪的动力学模型。
Adaptive Kalman filter algorithm study (1) Based on the study of the passive target tracking in modified polar coordinates, the nonlinear dynamic model is devised.
提出了测量渐开线轮廓误差的广义极坐标法，给出了广义极坐标法的测量模型、实现方法以及轮廓误差算式。
The generalized polar-coordinate method for measuring involute profile deviations is proposed, and its mathematical model, realization pattern and deviation assessment formula are presented.
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