The measuring results indicate that the accurate, real time and on line measuring of the roundness error can be realized.
测量结果表明，新的测量方法实现了圆度误差的实时精确在线测量。
The principle and design process of the system to measure the roundness error using the Lloyd mirror, linear CCD image processing system are described.
论述了系统利用劳埃德镜干涉装置，通过线阵CCD图像处理系统自动测量圆度误差的工作原理及过程设计。
Using harmonic analysis, the roundness error is analysed. A handy analytical method of roundness error is presented. Then the application of FFT is discussed.
本文应用谐波分析法分析了圆度误差，提出了一种圆度误差的简便分析方法，最后讨论了快速富里叶变换的应用。
The testing results indicate that the arithmetic is correct, the interface of the program is visual and the roundness error and diagrammatic view can be shown directly.
测试验证表明，程序算法正确，界面直观形象，可直接显示圆度误差值和误差图形。
In the roundness error measurement of inside sections of the oil film bearing, because of the oil slots and the oil holes, a large amount of invalid data can be brought.
在测量油膜轴承锥套内部圆度误差过程中，由于内表面有许多油槽和油孔，测量过程中产生了大量无效数据。
In the roundness error measurement of inside sections of the oil film bearing, because of the oil slots and the oil holes, a large amount of invalid data can be brought.
在测量油膜轴承锥套内部圆度误差过程中，由于内表面有许多油槽和油孔，测量过程中产生了大量无效数据。
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