This paper makes use of the elliptical parameter equation, present a generation algorithm of ellipse with division Angle increments, and makes error analysis.
利用椭圆的参数方程，给出了以等分角度为增量的绘椭圆的一种算法，并分析了算法的误差。
The article mainly introduces the composition, working principle and shows the metering course of this system. The article also makes the error analysis of the system measurement.
本文主要介绍了该系统的组成和工作原理，并用实例阐述了系统的计量过程，最后进行了系统的计量误差分析。
Accordingly, an uncertain initial system error appears in the measuring system of shadow moire profilometry and makes it difficult to get reliable results in error analysis procedures.
这就给形貌影栅云纹法的测量和处理实验系统带入一个不确定的初始系统误差，它对正确分析实验测试误差带来许多困难。
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