- Category:
- Other systems
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- File Size:
- 178kb
- Update:
- 2012-11-26
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- Uploaded by:
- cjj51
Description: Proposed method microfilm camera, a small hole as a Distance symmetric double Fourier transform lens under test input function, using its Fourier transform spectrum of the interference fringe spacing of the surface of the lens focal length calculation of measured values. The law device is simple, convenient, high measurement accuracy. Analysis of the measurement principle and measurement error, and gives consistent with the theoretical analysis results.
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...........\基于梯度的干涉条纹图圆周期滤波.caj
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