H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 1/02 (2006.01) H04J 1/05 (2006.01)
Patent
CA 2214869
The present invention is directed to a digital signal processing apparatus for frequency demultiplexing a wideband channel. The apparatus converts the data stream into parallel branches by means of a serial-to-parallel converter. The demultiplexing operation consists of a low pass and high pass fine filtering stage and a coarse filtering stage and is split among processors across the parallel branches. Wideband signals can be processed without expensive processors because of the slower rate in the parallel channels. The invention may also be used for the inverse function of multiplexing.
Cornfield Paul Simon
Wishart Alexander Walker
Astrium Limited
Kirby Eades Gale Baker
Matra Marconi Space Uk Limited
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