1. A channel equalizer, comprising: a first linear filter connected to receive an equalizer input signal and to output a first filtered signal; a decision device connected to receive a combined filtered signal from a summer and to output an equalized output signal, said equalized output signal being an output of said equalizer; a second linear filter connected to receive said equalized output signal and to output a second filtered signal; a bilinear filter connected to receive said equalized output signal and said equalizer input signal, and to output a third filtered signal; and the summer connected to receive said first, second, and third filtered signals, and to output said combined filtered signal.