NON-ADAPTIVE AMPLITUDE-DIFFERENCE INTERFERENCE FILTER
Assignee
US Government
Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE NAVY
Filed
Jun 11, 1991
Granted
Apr 16, 1996
Location
San Diego CA (SAIC/General Dynamics)
Abstract
An interference suppression system utilizes a non-adaptive filter to supps interference from bandspread communication signals. The filter is effective in the cancellation of interference from a bandspread communication signal whenever interference has a mean component several times greater than its variable component. By forming amplitude-differences, the filter is used to estimate whether the signed magnitude of a communication signal component is in-phase or 180° out-of-phase with present interference. By estimating this component, high quality reception of spread spectrum radio communication signals in an interference environment is possible.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 25, 1991
Rescinded
Sep 19, 1995
Duration
4 years, 1 month
Inventor
- 1JAMES W. BOND
Sensitive facility: San Diego CA (SAIC/General Dynamics)
Record Details
- Patent number
- US 5509032
- Application
- 07713659
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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