Adaptive signal weighting system

Details Adaptive signal weighting system Adaptive signal weighting system

2008-07-08

2008-07-08

Kim, Kevin (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C375S350000

Reexamination Certificate

active

07397873

ABSTRACT:
A system for decoding an electrical input signal includes a filter that impresses a variable gain on a portion of the input signal to deemphasize a spectral region of the input signal. The variable gain is set as a function of a variable gain control signal. A frequency detector generates the variable gain control signal in accordance with a frequency value wherein approximately one-half of the energy of the input signal is below the frequency value.

REFERENCES:
patent: 4101849 (1978-07-01), Blackmer et al.
patent: 4136314 (1979-01-01), Blackmer et al.
patent: 4539526 (1985-09-01), Davis
patent: 6118879 (2000-09-01), Hanna

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