Radar antenna arrangement

Details Radar antenna arrangement Radar antenna arrangement

1991-11-22

1992-08-18

Barron, Jr., Gilberto

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

Testing or calibrating of radar system

342192, G01S 740

Patent

active

051403315

ABSTRACT:
A radar antenna arrangement (1) for a determination of the effective radar backscatter cross section .sigma..sub.eff of radar targets (2) as a function of the geometrical position of the target with reference to the radar antenna arrangement to be able to determine the effective radar backscatter cross section in a simple manner, even for a case where the radar beam no longer fully illuminates the radar target (2) to be examined and the position of the phase center (15) of the antenna (11) changes relative to the target (2), the radar antenna (11) is arranged on a rotatable antenna platform (10) outside of the rotation axis (12) of the antenna platform (10). In order to be able to scan the entire radar target (2) successively in time, the antenna platform (10) is pivotal about two axes (13, 14) that are perpendicular to the rotation axis (12). The radar target (2) to be examined is disposed on a revolving platform (3) which likewise rotates during the measuring process. A method for determining the effective radar backscatter of a radar target using this arrangement is additionally disclosed.

REFERENCES:
patent: 2961654 (1960-11-01), Simon
patent: 3158861 (1964-11-01), Iribe
patent: 4860016 (1989-08-01), Westphal et al.
patent: 4879560 (1989-11-01), McHenry

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