Devices for determining errors of siting, especially in radar sy

Details Devices for determining errors of siting, especially in radar sy Devices for determining errors of siting, especially in radar sy

1976-07-29

1978-08-08

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 702

Patent

active

041060164

ABSTRACT:
A device for determining tracking errors in radar systems and the like through correlation between the radar echo signal and a signal related to the rotation of the antenna, using means for narrow band filtering and phase comparison, and amplifying means and means for AC-DC conversion and DC amplifying means in which the narrow band filtering means and phase comparison means carry out their functions through the alternate cyclical switching of the signal from one condenser to another synchronous with the movement of the antenna, and with a similar switching carrier out in other condensers in the stage formed by the AC-DC conversion means.

REFERENCES:
patent: 2566331 (1951-09-01), Huber et al.
patent: 2708257 (1955-05-01), Bedford

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