Efficient order recursive LS algorithms for 2D SAR model fitting. - Ping-Ya Zhao; Zhen-Ya He (ICASSP, 1988)

A Constant False Alarm Rate Focus Detector Using 2-D Noncausal and Nonstationary WNDR Modeling. - Ping-Ya Zhao; Zhen-Ya He (MVA, 1988)

An unbiased and computationally efficient LS estimation method for identifying parameters of 2D noncausal SAR models. - Ping-Ya Zhao; Dao-Rong Yu (IEEE Trans. Signal Process., 1993)

Exponentially fading MLS estimation of two-dimensional noncausal and nonstationary SAR model parameters. - Ping-Ya Zhao; Eugene I. Plotkin; M. N. Shanmukha Swamy (Signal Process., 1994)

Consistency of modified LS estimation method for identifying 2-D noncausal SAR model parameters. - Ping-Ya Zhao; John Litva (IEEE Trans. Autom. Control., 1995)