Method and arrangement for improving the angular resolution of a

Details Method and arrangement for improving the angular resolution of a Method and arrangement for improving the angular resolution of a

1983-11-29

1991-03-26

Barron, Jr., Gilberto

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

Determining direction

Monopulse

342149, G01S 1344

Patent

active

050033131

ABSTRACT:
The invention relates to a method for improving the angular resolution of a monopulse radar.
Starting from the sum signal S, a direction signal .theta..sub.b, and a signal representing the quadrature angle-error measurement .vertline..epsilon..sub.q .epsilon., the method consists of calculating in a first device 201 a signal .DELTA..theta. representing the wingspan of the target, then of calculating in a second device 202 two measuring signals .theta..sub.A and .theta..sub.B representing respectively the direction of the external limits of the target, as well as a signal Q representing the quality of these measurements and finally of carrying out an adaptive filtering operation on the measurements in a third device 203, in order to obtain filtered estimates for .DELTA..theta., .theta..sub.A and .theta..sub.B.

REFERENCES:
patent: 3747097 (1973-07-01), Howard
patent: 4220953 (1980-09-01), Carre
patent: 4296415 (1981-10-01), Pelton et al.
patent: 4345252 (1982-08-01), Carre et al.
patent: 4524359 (1985-06-01), Champagne

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