Choice of number, structure and placement of compensation modules in the radar with planar PAA
DOI:
https://doi.org/10.1109/ICATT.2017.7972620Keywords:
planar PAA, noise jamming, compensation modules, Taylor weighting, Hamming weighting, signal-to- (interference noise) ratio, nonidentitiesAbstract
The paper addresses adaptive systems for noise jamming protection of the radar with a planar phased array antenna (PAA). Basing on results of mathematical simulation, the number of compensation channels formed of modules of a 10,000-element planar square PAA containing 625 (400; 100) modules of the size 4×4 (5×5; 10×10) is substantiated. Their arrangement and a structure of a system of the channels, either in the presence of Taylor (or Hamming) weighting of output signals of the modules (or elements) or in its absence, for effective extracting of signals embedded in noise jamming is studied. A necessary degree of the increase in the number of such channels in the presence of non-identities is estimated.References
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D. I. Lekhovitsky, V. N. Kokin, I. D. Rakov, B. G. Sverdlov, “Protection of multibeam PAA by a common system of compensation channels,” Radiotekhnika, no. 12, pp. 6-9, 1987.
Yu. I. Abramovich, V. G. Kachur, V. N. Mikhailyukov, “Efficiency of spatial interference compensation in systems with nonidentical receiving channels,” Radiotekhnika i Elektronika, Vol. 34, no. 6, P. 1196-1205, 1989.
Published
2017-07-16
Issue
Section
Antenna arrays, adaptive and smart antennas
