Turnaround control for mechanically scanned radar antennas

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343 5ST, H01Q 302

Patent

active

046112103

ABSTRACT:
A programmed turnaround generator for a mechanically scanned antenna, to provide an n-bar scan pattern (n may be 1), with predetermined inputs to the generator comprising a desired turnaround time, a maximum excursion of the antenna in azimuth, and a start position for each bar, is mechanized using closed form equations such as:

REFERENCES:
patent: 2515248 (1950-07-01), McCoy
patent: 2704815 (1955-03-01), Guiles
patent: 2926348 (1960-02-01), Asquith
patent: 3078455 (1963-02-01), Brainin
patent: 3091761 (1963-05-01), Gebhardt
patent: 4084159 (1978-04-01), Anderson et al.
Introduction to Radar Systems; by M. I. Skolnik; McGraw-Hill (N.Y., 1970); pp. 177-178.
"A High Performance Microprocessor-Based Digital Controller", by D. Chenoweth et al.; Asilomar Conference (Nov. 7-9, 1977; Pacific Grove, Calif.).

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