Direction finding apparatus

Details Direction finding apparatus Direction finding apparatus

1998-09-29

2000-10-03

Blum, Theodore M.

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

Directive

Beacon or receiver

G01S 502

Patent

active

061279749

ABSTRACT:
An efficient monopulse direction finding technique is based on the best algorithm in the least squares sense for a given antenna configuration. The algorithm simultaneously uses complex voltage data from all of the antenna ports, i.e., all of the available data received. No a priori emitter polarization information is assumed. Only a two dimensional search for the performance index minimum is needed to find the solution. The method is extended to N emitters with a search in only 2N space for the N emitter angles.

REFERENCES:
patent: 5355141 (1994-10-01), Graham et al.
patent: 5495256 (1996-02-01), Piper
patent: 5768477 (1998-06-01), Johnson et al.
patent: 5892700 (1999-04-01), Haardt

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