Method and apparatus for a complimentary discrete Fourier transform processor. An input signal is sampled, samples then being sequentially delayed, channelized, and processed. Synthesized outputs are provided in complimentary form. Channels are independent so as to allow for the application of gain,...http://www.google.com/patents/US7620673?utm_source=gb-gplus-sharePatent US7620673 - Complimentary discrete fourier transform processor
