Weak radar signal detection based on wavelet transform. - Naoki Ehara; Iwao Sasase; Shinsaku Mori (ICASSP (2), 1994)

Two-stage Kalman estimator using advanced circular prediction for maneuvering target tracking. - Tetsuya Kawase; Hideshi Tsurunosono; Naoki Ehara; Iwao Sasase (ICASSP, 1998)

An adaptive-gain alpha-beta tracker combined with three-dimentional circular prediction using estimation of the plane state. - Tetsuya Kawase; Hideshi Tsurunosono; Naoki Ehara; Iwao Sasase (ICASSP, 1999)