Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system
Patent
1991-01-28
1991-12-24
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
342175, G01S 740
Patent
active
050756818
ABSTRACT:
The invention is an apparatus for supporting a model above a ground plane for illumination by a radar signal in order to determine the RCS thereof. The apparatus includes a plurality of support towers in a spaced relationship extending vertically upward from the ground plane. An upper suspension system is provided that comprises a separate cable attached at one end to an individual tower and attachable at the opposite end to the model at a single point on the upper surface thereof so that the model can be simultaneously rotated about the yaw axis and pitch axis. A circular shaped track aligned with the direction of the radar signal is mounted below the ground plane having a center of the radius at the point that the cables of the upper suspension system attach to the model. A platform is movably mounted on the track and thus, moveable with a circular motion about the point that the cables attach to the model. The platform incorporates a drive system so that it can be positioned at any point along the track. A model rotator is mounted to the platform. A lower suspension system is provided that comprises a plurality of cables attached by one end to the rotator and attachable at the opposite end to various points on the lower surface of the model.
REFERENCES:
patent: 4713667 (1987-12-01), Poirier et al.
patent: 4947175 (1990-08-01), Overholser
patent: 4990923 (1991-02-01), Delfeld
Dachs Louis L.
Lockheed Corporation
Sotomayor John B.
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