Communications: directive radio wave systems and devices (e.g. – Determining direction – Monopulse
Patent
1990-03-09
1992-03-31
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Determining direction
Monopulse
342 17, G01S 1344, G01S 736
Patent
active
051012090
ABSTRACT:
In a surveillance radar, a process is disclosed which can determine the angular positions of multiple jammers with the use of a monopulse agile beam antenna. It involves collecting and processing jammer data received via a monopulse antenna, in order to determine jammer location, and to resolve two jammers within the main beam when present. A feature is the use of the ratio of the imaginary and real parts of the difference/sum ratio as a discriminant to select a subset of multiple measurement data points, from which the individual jammer angular locations can be determined, when two jammers are present, by averaging upper and lower percentiles of the real difference/sum ratio data points of that subset.
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Samuel M. Sherman, "Monopulse Principles and Techniques", Atech House, Chapter 8, Response to Unresolved Targets.
Sabi J. Asseo, Detection of Target Multiplicity Using Monopulse Quadrature Angle, IEEE Trans. AES-17, No. 2, Mar. 1981, pp. 271-280.
Barron Jr. Gilberto
Franz Bernard E.
Singer Donald J.
The United States of America as represented by the Secretary of
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