Narrowband interference suppression system

Details Narrowband interference suppression system Narrowband interference suppression system

1984-06-14

1986-09-23

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

455308, H03K 1100

Patent

active

046139788

ABSTRACT:
Strong narrowband signals interfering with the reception of a desired broadband signal in systems such as spread spectrum systems are continuously suppressed by converting the received signal to a frequency-domain representation thereof wherein strong narrowband interference components appear as strong impulse components. These impulsive components are blanked or clipped at a level that is a function of the average magnitude of the input signal. Resulting suppressed frequency-domain signals are reconverted to time-domain signals that are then available for further processing by conventional broadband signal receivers.

REFERENCES:
patent: 2954465 (1960-09-01), White
patent: 3064196 (1962-11-01), Broadhead, Jr.
patent: 4010360 (1977-03-01), Alsup et al.
patent: 4351062 (1982-09-01), Yoshiya

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