Digital signal processing apparatus

Details Digital signal processing apparatus Digital signal processing apparatus

H - Electricity

04

B

H04B 1/713 (2006.01)

Patent

CA 2287611

A payload of a communications satellite includes several receive chains connected to respective antennas 1 to 4. Each receive chain 6 is hybrid in that analogue filtering is carried out at the front end in order to remove the unwanted input spectrum beyond that of a broadband within which a narrowband signal is frequency hopped. Thereafter the filtered signal is digitised and the hopping pattern removed by using successive segments of a control word which determines the hopping frequencies to successively select progressively narrower sub-bands which contain the wanted signal on each hop.

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