Scanning receiver for receiving a signal by scanning frequency o

Details Scanning receiver for receiving a signal by scanning frequency o Scanning receiver for receiving a signal by scanning frequency o

1995-03-20

1996-11-19

Tse, Young T.

Pulse or digital communications

Receivers

Interference or noise reduction

375316, 4551612, 4551651, H04B 100, H03D 104, H03K 501

Patent

active

055770762

ABSTRACT:
In a scanning receiver for receiving a signal by scanning the frequency of a received signal, the speed of a scanning operation is made fast with skipping non-modulated signals and digital signals. AF signal is changed into A/D converted values, and first and second amplitude distribution are respectively formed from A/D converted values. Non-modulated signal is discriminated based on the first amplitude distribution, and digital signal is discriminated based on the second amplitude distribution.

REFERENCES:
patent: 4947456 (1990-08-01), Atkinson et al.
patent: 5014348 (1991-05-01), Boone et al.
patent: 5195109 (1993-03-01), Bochmann et al.
patent: 5200682 (1993-06-01), Tomohiro
patent: 5428826 (1995-06-01), Masaki

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