Tracking characteristics of the Kalman filter in a nonstationary environment for adaptive filter applications. - Qitu Zhang; Simon Haykin 001 (ICASSP, 1983)

Entropy-based receiver for detection of random signals. - Qitu Zhang (ICASSP, 1988)

Performance limits of the innovations-based detection algorithm. - Qitu Zhang; Simon Haykin 001; Patrick C. Yip (IEEE Trans. Inf. Theory, 1989)

Statistical analysis of the performance of information theoretic criteria in the detection of the number of signals in array processing. - Qitu Zhang; Kon Max Wong; Patrick C. Yip; James P. Reilly (IEEE Trans. Acoust. Speech Signal Process., 1989)