并按线性小振幅波理论，导出了改进的透射系数计算式，其计算结果与试验值符合良好。
A modified transmission coefficient formula is derived based on the linear small amplitude wave theory, and calculation results are in good agreement with the test results.
满足夫琅和费远场条件的两个物体，z值大的物体将被环数少的菲涅耳波带板扫描，具有小而平直的孪生像噪声振幅；
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
随刺激频率增加，负向波潜伏时延长，而小正向波振幅逐渐减小。
Increasing flash frequency increased latency time of the negative wave, but decreased the amplitude of the small positive wave.
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