A generalized approach to direction finding
H. Ouibrahim, D. D. Weiner, T.K. Sarkar · IEEE Transactions on Acoustics Speech and Signal Processing · 1988
With reference to the recently developed estimation of signal parameters using a rotational invariance techniques (ESPRIT) it is pointed out that other operators can be used to generate the matrix pencil. By way of example, the moving window operator is discussed.>