Statistical Analysis of Signal-to-Noise Ratios in Fringe Pattern Matching
作者单位：Systems Engineenng DivisionSchool of EngineernigCardiff UniversityCardiff CF24 OYFUK Systems Engineenng DivisionSchool of EngineernigCardiff UniversityCardiff CF24 OYFUK Systems Engineenng DivisionSchool of EngineernigCardiff UniversityCardiff CF24 OYFUK Systems Engineenng DivisionSchool of EngineernigCardiff UniversityCardiff CF24 OYFUK
会议名称：《2002年第6届信号处理国际会议》
会议日期：1000年
学科分类：11[军事学] 0810[工学-信息与通信工程] 1105[军事学-军队指挥学] 08[工学] 081002[工学-信号与信息处理] 110503[军事学-军事通信学]
关 键 词：Signal-to-noise ratio precision measurement phase measurement fringe pattern matching image matching laser interferometry.
摘 要：正 This paper presents a statistical analysis of signal-to-noise ratios （SNRs） in fringe pattern matching. It shows theoretically that the SNR of interference fringes can be significantly improved by fringe pattern matching or mean square difference calculation based on statistical analysis. Computer simulation and experimental results have confirmed that the high accuracy of fringe pattern matching is due to the significant SNR improvements achieved.