Techniques for time-varying signal analysis - Lunji Qiu (1992)

The relationship between a time-varying model of non-stationary signals and its Wigner distribution. - Lunji Qiu; Ah Chung Tsoi (Signal Process., 1993)

Fundamental frequency determination based on instantaneous frequency estimation. - Lunji Qiu; Haiyun Yang; Soo-Ngee Koh (Signal Process., 1995)

Speech analysis and synthesis using instantaneous amplitudes. - Gang Li; Lunji Qiu (EUSIPCO, 1998)

Signal representation based on instantaneous amplitude models with application to speech synthesis. - Gang Li; Lunji Qiu; Ling Kok Ng (IEEE Trans. Speech Audio Process., 2000)

A new parameterization for designing stable adaptive IIR filters. - Gang Li; Lunji Qiu (ICASSP, 2002)