Research on Methods of Higher-order Statistics for Phase Difference Detection and Frequency Estimation

摘要：

Higher-order statistics is widely used in radar, communication, biomedicine and fault diagnosis. Higher-order statistics not only reveal phase properties of random process but also resist Gaussian white and colored noise. Phase difference detection methods based on higher-order spectra (bispectrum, cross bispectrum and trispectrum) as well as frequency estimation algorithms based on fourth-order cumulant diagonal slices are researched. Experimental results under different conditions significantly demonstrate the precision, effectiveness and perfect filtering effect to Gaussian white or colored noise of the methods.

关键词： higher-order statistics phase difference detection frequency estimation Gaussian white noise Gaussian colored noise

作者: Min Geng Huaqing Liang Junwu Wang

作者单位: College of Geophysics and Information Engineering China University of Petroleum-Beijing Beijing, China

会议类型: 国际会议

会议名称: 2011 4th International Congress on Image and Signal Processing(第四届图像与信号处理国际学术会议 CISP 2011)

会议地点: 上海

会议语种:英文

页码: 2217-2221

在线出版日期: 2011-10-15（万方平台首次上网日期，不代表论文的发表时间）