Communications: radio wave antennas – Antennas – Plural antennas spaced a fractional or full wave length apart
Patent
1976-11-26
1978-01-31
Lieberman, Eli
Communications: radio wave antennas
Antennas
Plural antennas spaced a fractional or full wave length apart
343100LE, H01Q 2100, H04B 700
Patent
active
040718484
ABSTRACT:
The present invention relates to thinned linear, planar and three-dimensional phased antenna array configurations which have the antenna or sensor elements positioned in a pseudorandom manner as prescribed by the equation based on difference sets. The present antenna array permit thinning factors well below one-half while retaining the sidelobe level characteristics of arrays with much higher thinning factors.
REFERENCES:
patent: 3130410 (1964-04-01), Gutleber
patent: 3182330 (1965-05-01), Blume
patent: 3605106 (1971-09-01), Gutleber
patent: 3780372 (1973-12-01), Unz
patent: 3811129 (1974-05-01), Holst
patent: 3877033 (1975-04-01), Unz
patent: 3978482 (1976-08-01), Williams et al.
IEEE Trans Antennas & Propagation, vol. AP-20, No. 2, Mar. 1972, pp. 129-136, B. D. Steinberg, The Peak Sidelobe of the Phased Array Having Randomly Located Elements.
Valley Forge Research Center Quarterly Progress Report, No. 14, Aug. 15, 1975, An Approach to Peak Sidelobe Control in Moderately Thinned Aperiodic Arrays, by Leeper, D. G. pp. 47-64.
Barlow Harry
Bell Telephone Laboratories Incorporated
Lieberman Eli
Pfeifle Erwin W.
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