Near field antenna boresight alignment apparatus

Details Near field antenna boresight alignment apparatus Near field antenna boresight alignment apparatus

1975-10-03

1977-04-05

Lieberman, Eli

Communications: radio wave antennas

Antennas

Measuring signal energy

G01R 2910

Patent

active

040165698

ABSTRACT:
Alignment of the optical, mechanical and electrical axes of an antenna system is accomplished at short range by means of a test antenna having an aperture that is approximately 20 percent greater than the aperture of the antenna being aligned. The test antenna is positioned to receive or transmit radiation from/to the antenna being aligned at a distance of less than D.sup.2 /.lambda. where D is the diameter of the antenna aperture and .lambda. is the wavelength of the antenna operating frequency.

REFERENCES:
patent: 3302205 (1967-01-01), Johnson
patent: 3806943 (1974-04-01), Holloway

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