Research/Patents/US 5491487
US 5491487Tier 3 — General Defense

SLAVED GRAM SCHMIDT ADAPTIVE NOISE CANCELLATION METHOD AND APPARATUS

Assignee

US Government

Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

May 30, 1991

Granted

Feb 13, 1996

Location

DUNKIRK MD US

Abstract

A method and apparatus are provided for filtering noise from a plurality of input signals in a sensor system. One first main input signal and several first auxiliary input signals are obtained and interior weights corresponding to the first main and auxiliary signals are determined. Thereafter, equivalent linear weights corresponding to the interior weights are determined and the equivalent linear weights are applied to second main and auxiliary input signals to filter the second main and auxiliary signals and produce one final output signal. Alternatively, the first input signals can be a subset of the second input signals such that a large set of input signals can be filtered by calculating weighting factors from a subset thereof.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 13, 1992

Rescinded

May 9, 1995

Duration

2 years, 12 months

Inventor

  • 1KARL R. GERLACH
Back to patent indexSource: USPTO 35 USC §181 secrecy order records