Radar synchronizing apparatus and method

Details Radar synchronizing apparatus and method Radar synchronizing apparatus and method

1979-02-28

1980-12-02

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

89133, G01S 728

Patent

active

042374626

ABSTRACT:
Disclosed is an apparatus and method for synchronizing the firing of radar pulses from behind the propeller of an airplane. The apparatus simultaneously senses the instantaneous azimuth angle at which the radar is to be fired, and the instantaneous rotational speed of the propeller. Based on these variables, the apparatus determines a dead zone within which the radar cannot be fired without either the pulse or its return hitting the propeller. The apparatus also receives an externally generated timing signal that defines a plurality of consecutive fixed length time frames. During each of these time frames, and while the propeller is not in the dead zone, the synchronizer generates a predetermined number of commands to fire the radar.

REFERENCES:
patent: 2225599 (1940-12-01), Gaty et al.

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