Jian Wang Jun Tao Xuan Zeng Charles Chiang Dian Zhou Analog circuit behavioral modeling via wavelet collocation method with auto-companding. 45-50 2004 conf/aspdac/2004 ASP-DAC http://doi.acm.org/10.1145/1015090.1015104 db/conf/aspdac/aspdac2004.html#WangTZCZ04