TY - GEN
T1 - Parameter estimation for harmonic sinusoidal signals
AU - Li, Hongbin
AU - Stoica, P.
AU - Li, Jian
N1 - Publisher Copyright:
© 1999 IEEE.
PY - 1999
Y1 - 1999
N2 - A Markov-like weighted least squares (WLS) estimator is presented herein for harmonic sinusoidal parameter estimation. The estimator involves two distinct steps whereby it first obtains a set of initial parameter estimates that neglect the harmonic structure by some standard sinusoidal parameter estimation technique, and then the initial parameter estimates are refined via a WLS fit. It is found that the proposed estimator achieves similar performance to the optimal nonlinear least squares method when the signal-To-noise ratio (SNR) is moderate or high, but at a significantly reduced computational complexity. Furthermore, the former is shown to have a lower threshold SNR than the latter.
AB - A Markov-like weighted least squares (WLS) estimator is presented herein for harmonic sinusoidal parameter estimation. The estimator involves two distinct steps whereby it first obtains a set of initial parameter estimates that neglect the harmonic structure by some standard sinusoidal parameter estimation technique, and then the initial parameter estimates are refined via a WLS fit. It is found that the proposed estimator achieves similar performance to the optimal nonlinear least squares method when the signal-To-noise ratio (SNR) is moderate or high, but at a significantly reduced computational complexity. Furthermore, the former is shown to have a lower threshold SNR than the latter.
UR - http://www.scopus.com/inward/record.url?scp=0033350636&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0033350636&partnerID=8YFLogxK
U2 - 10.1109/ACSSC.1999.831869
DO - 10.1109/ACSSC.1999.831869
M3 - Conference contribution
AN - SCOPUS:0033350636
T3 - Conference Record of the 33rd Asilomar Conference on Signals, Systems, and Computers
SP - 1047
EP - 1051
BT - Conference Record of the 33rd Asilomar Conference on Signals, Systems, and Computers
A2 - Matthews, Michael B.
T2 - 33rd Asilomar Conference on Signals, Systems, and Computers, ACSSC 1999
Y2 - 24 October 1999 through 27 October 1999
ER -