Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-10-20
1977-01-11
Lieberman, Eli
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343760, H01Q 302, G01S 740
Patent
active
040030555
ABSTRACT:
A radar function testing apparatus for simulating a real radar target includes a transmission path between the movable and the fixed portion of the radar antenna in a radar equipment. A radiation energy source in the form of a light emitting element is mounted on, for example, the movable part and a radiation receiver in the form of a light sensitive element is mounted, for example on the stationary part. The light sensitive element consists of a photo detector which in dependence on the direction of the impinging radiation beam emits a number of signals which in known manner are treated so as to create signals which imitate the signals which would be obtained from a real target.
REFERENCES:
patent: 3158861 (1964-11-01), Iribe
Eriksson Nils Tage
Jacobsson Rune William
Sundstrom Ingvar Georg
Lieberman Eli
Telefonaktiebolaget L M Ericsson
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