Nonhomogeneity detection method and apparatus for improved adapt

Details Nonhomogeneity detection method and apparatus for improved adapt Nonhomogeneity detection method and apparatus for improved adapt

1996-08-09

1998-01-06

Pihulic, Daniel T.

Communications: directive radio wave systems and devices (e.g.,

Clutter elimination

346 16, 346195, G01S 1300

Patent

active

057060134

ABSTRACT:
Apparatus and method for improving detection of targets in a radar system that employs adaptive filtering. A nonhomogeneity detector eliminates nonhomogeneous signals from the population of signals received. An adaptive filter weight controller estimates covariance matrices from only homogenous signals. Thus the apparatus and method improves the probability of detecting the presence or absence of a target at the same time that it decreases the probability of a false alarm by improving the performance of an adaptive filter. Though developed for airborne radar, the apparatus and method may be applied to the processing of any image.

REFERENCES:
patent: 4786908 (1988-11-01), Runnalls
patent: 5233541 (1993-08-01), Corwin et al.
patent: 5276632 (1994-01-01), Corwin et al.
patent: 5610612 (1997-03-01), Piper

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