| 量化对PMP测量精度的影响研究 |
| |
| 引用本文： | 陈文鑫,李勇.量化对PMP测量精度的影响研究[J].四川激光,2008,29(2):34-35. |
| |
| 作者姓名： | 陈文鑫 李勇 |
| |
| 作者单位： | [1]浙江万里学院电子信息学院,浙江宁波315100 [2]浙江师范大学信息光学研究所,浙江金华321004 |
| |
| 摘 要： | 相位测量轮廓术(PMP)采用相移法测量相位,系统的测量精度取决于相位测量精度和相位-高度映射算法。由于数字计算机在处理数据时进行了离散化处理,从而引入了量化误差,本研究通过理论推导和计算机仿真实验,以测量误差为对象,研究了信号量化对PMP测量精度的影响。实验得出量化误差对相位测量的影响随调制度的增大而减小。
|
| 关 键 词： | 相位测量轮廓术 量化误差 三维重构 相移法 |
| 文章编号： | 0253-2743(2008)02-0034-02 |
| 修稿时间： | 2008年1月6日 |
Study of the influence of quantification on PMP measuring accuracy |
| |
| CHEN Wen-xin,LI Yong.Study of the influence of quantification on PMP measuring accuracy[J].Laser Journal,2008,29(2):34-35. |
| |
| Authors: | CHEN Wen-xin LI Yong |
| |
| Abstract: | The phase-measuring profilometry(PMP) adopts the phase shifting measurement to measure phase.The system measuring accuracy is determined by the phase measuring accuracy and the phase-height mapping algorithm.Digital computer will introduce quantization error due to the discretization in data processing.This paper discussed the influence of signal quantification on PMP measuring accuracy,theoretically,taking measurement error as the criterion,computer simulation is also given.The results proved that the influence of signal quantification on PMP measuring accuracy will decrease with the modulation degree increase. |
| |
| Keywords: | phase-measuring profilometry(PMP) quantization error three-dimensional reconstruction phase shifting measurement |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
