Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1971-04-23
1982-03-23
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
G01S 1390
Patent
active
043216013
ABSTRACT:
A terrain mapping radar utilizes two sets of separately processed radar signals, each provided by a coherent pulse doppler synthetic aperture signal processing channel connected to and for processing the signals received from a selected one of a pair of vertically displaced antennas of the type utilized in phase interferometer radars. The invention provides depression angle, and therefore elevation information from the processed signals on a cell by cell basis, uniquely, for each range/doppler cell of each of the processing channels. The invention eliminates azimuthal errors which result from the ambiguity of the range/doppler annulus, and provides a useful map metric: elevation.
REFERENCES:
patent: 3184736 (1965-05-01), Badewitz
patent: 3228028 (1966-01-01), Baum et al.
patent: 3365719 (1968-01-01), Williams
patent: 3555545 (1971-01-01), Reynolds et al.
"Performance of a Synthetic-Aperature Mapping Radar System", by Jean A. Develet, Jr., IEEE Transactions ANE, Sep. 1964, pp. 173-179.
Hubler Malcolm F.
United Technologies Corporation
Williams Melvin P.
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