Target tracking sonar with false target detector

Details Target tracking sonar with false target detector Target tracking sonar with false target detector

1982-08-16

1991-01-29

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Echo systems

Returned signal used for control

367 98, G01S 1500

Patent

active

049891863

ABSTRACT:
A target tracking sonar system associated with a moving platform incorporates a Kalman filter model and a false target detection capability characterized by comparison of the estimated and actual acceleration to produce an error value which, if greater than a predetermined threshold, namely the product of one half the estimated acceleration and the internal between periodic acceleration updates, generates a signal condition to flag the false target.

REFERENCES:
patent: 3387256 (1968-06-01), Warner et al.
patent: 3854115 (1974-12-01), Barthelemy
patent: 3891960 (1985-06-01), Widener
patent: 4114153 (1978-09-01), Neidell
Y. T Chan, A. G. C. Hu, J. B. Plant, A Kalman Filter Based Tracking Scheme ith Input Estimation, IEEE Transactions on Aerospace and Electronic Systems, vol. AES-15, No. 2, dtd Mar. 1979, pp. 237-243.

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