H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/2
H04J 4/00 (2006.01)
Patent
CA 1252923
ABSTRACT OF THE DISCLOSURE An FDM-TDM transmultiplexing system for a modulation/demodulation device which is applicable to a regenerative repeating system of a satellite or a ground radio communication system is disclosed which uses chirp-z- transform. A chirp filter is implemented with a digital circuit. The circuit scale of the digital chirp filter increases in proportion to a square root of the total number of channels N, enhancing miniaturization of an FDM-TDM transmultiplexer.
517736
Corporation Nec
Smart & Biggar
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