Method and apparatus for transmultiplexing a multi-channel...

Details Method and apparatus for transmultiplexing a multi-channel... Method and apparatus for transmultiplexing a multi-channel...

H - Electricity

04

J

H04J 4/00 (2006.01)

Patent

CA 2201376

A filter fast Fourier transmultiplexer (216) divides a multi-channel communication signal into single channel communication signals through a cascade of filters (304, 314, 348, 354, 360, 366, 404-418) and mixers (604- 610). The output sample rate is maintained at the input sample and memory requirements and multiplications are substantially reduced.

Un transmultiplexer de Fourier rapide à filtres (216) divise un signal de communication multivoie en signaux de communication monovoies à travers une cascade de filtres (304, 314, 348, 354, 360, 366, 404-418) et de mixeurs (604-610). La fréquence d'échantillonnage de sortie est maintenu au niveau de celle d'échantillonnage d'entrée, et l'encombrement en mémoire et les multiplications sont fortement réduits.

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