Support pylon for radar cross-section model testing

Details Support pylon for radar cross-section model testing Support pylon for radar cross-section model testing

1990-08-06

1992-03-24

Tarcza, Thomas H.

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

Testing or calibrating of radar system

342 1, 342 4, H01Q 1700, G01S 740

Patent

active

050992449

ABSTRACT:
The invention is a pylon for supporting a model above a ground plane for radar cross-section testing using a radar providing a specific frequency range and power distribution above the ground plane. In detail, the pylon comprises a column made of a low dielectric constant foam material having a base end for mounting on the ground plane, a model mounting top end and a generally circular cross-section. The column has an abrupt change in diameter at a point between the ends forming a step and dividing the column into upper and lower tapered portions with each of the portions having a specific diameter range. The step is located at a point on the column such that the power is evenly split between the upper and lower portions and the specific diameter ranges of the portions are selected to maintain a 180-degree phase change in the return signal from each of the portions reducing the RCS of the pylon.

REFERENCES:
patent: 4879560 (1989-11-01), McHenry
patent: 4947175 (1990-08-01), Overholser

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