Device for supplying a radionavigation system of the Doppler VOR

Details Device for supplying a radionavigation system of the Doppler VOR Device for supplying a radionavigation system of the Doppler VOR

1981-03-04

1983-05-03

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 144

Patent

active

043822592

ABSTRACT:
The device for supplying a Doppler VOR system comprises means for generating the sidebands of an amplitude modulation of a VHF carrier wave, the signals representing the sidebands being amplitude-modulated by a periodic voltage. The device essentially comprises means for coupling and means for adding the amplitude-modulated sidebands so as to produce a signal for supplying antennas having a predetermined spectrum and to compensate for the couplings which exist between the antennas.

REFERENCES:
patent: 3896444 (1975-07-01), Lin

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