Autocorrelation-based Frequency Estimator for a Noisy Sinusoid

摘要：

Frequency estimating is very important for the reliability of signal processing systems. In this paper, based on the trigonometric characters of sinusoidal signals, a new frequency estimator for a real sinusoid in white noise is proposed. The new estimator makes use of multiple autocorrelation lags to obtain an improved frequency estimator, which is derived from minimizing a constrained least squares cost function of autocorrelation sequence of signal. Computer simulations are included to contrast the estimator performance with several existing methods as well as the Cramer-Rao Lower Bound (CRLB).

关键词： multiple correlation lags real single sinusoid frequency estimation

作者: Yan Cao Cui Yang

作者单位: School of Electronic and Information Engineering South China University of Technology Guangzhou, China

会议类型: 国际会议

会议名称: 2011 9th International Conference on Reliability,Maintainability and Safety(第九届国际可靠性、维修性、安全性会议 ICRMS2011)

会议地点: 贵阳

会议语种:英文

页码: 436-439

在线出版日期: 2011-06-12（万方平台首次上网日期，不代表论文的发表时间）