Moving target speed and direction determining radar system

Details Moving target speed and direction determining radar system Moving target speed and direction determining radar system

1972-12-13

1977-07-26

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 9, G01S 942

Patent

active

040386589

ABSTRACT:
A radar is mounted on an airplane with a pair of antennas affixed to the airplane and directed to one side thereof for providing a relatively narrow radar beam squinted approximately 20.degree. ahead of a line transverse to the direction of motion and approximately 20.degree. behind the line, respectively. The radar is constructed to alternately energize the antennas and a visual display system provides individually identifiable visual indications of targets interrupting the beams. The amount a target moves on the visual display between the interruptions of the forward and rearward directed beams provides a direct indication of the direction and speed of the target.

REFERENCES:
patent: 2442765 (1948-06-01), Franklin
patent: 2703880 (1955-03-01), Longacre
patent: 2967449 (1961-01-01), Weiss
patent: 3066279 (1962-11-01), Marks
patent: 3314065 (1967-04-01), Steigerwalt et al.
patent: 3406395 (1968-10-01), Zupanick
patent: 3833906 (1974-09-01), Augustine
patent: 3848253 (1974-11-01), Genuist et al.

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