Title :
Frequency Estimation of Real-Valued Single-Tone Using High Lags Autocorrelation
Author :
Lei Zhu ; Ji-Hong Shen
Author_Institution :
Harbin Eng. Univ., Harbin, China
Abstract :
Based on the linear prediction (LP) property and high lags autocorrelation of sinusoidal signals, a new frequency estimators of real sinusoid signal in additive white Gaussian noise is proposed. The new estimator is inspired by the alternative derivation of Pisarenko harmonic decomposer (PHD). A simple cubic function of autocorrelation coefficients is then employed for frequency estimation. Computer simulations are included to show the performance of the proposed estimator via comparison with Cramer-Rao lower bound (CRLB) and several conventional frequency estimators.
Keywords :
AWGN; correlation methods; frequency estimation; harmonic distortion; prediction theory; signal processing; PHD; Pisarenko harmonic decomposer; additive white Gaussian noise; autocorrelation coefficients; high lags autocorrelation; linear prediction; real-valued single-tone frequency estimation; sinusoidal signals; Correlation; Equations; Frequency estimation; Maximum likelihood estimation; Prediction algorithms; Signal to noise ratio; LP property; autocorrelation; frequency estimation; sinusoidal signal;
Conference_Titel :
Computational Intelligence & Communication Technology (CICT), 2015 IEEE International Conference on
Conference_Location :
Ghaziabad
Print_ISBN :
978-1-4799-6022-4
DOI :
10.1109/CICT.2015.139
