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Journal Antennas №4 for 2009 г.
Article in number:
Synthesis Superbroadband Arrays of Direction-Finder with Zero of Parcial Orientation Diagrams
Authors:
O.E. Popova, S.N. Razin'kov
Abstract:
With use of a method of Lagrang multipliers synthesis superbroadband linear arrays of direction-finder with the maximal power directed action factors at the set angular positions of zero parcial orientation diagrams carried out. Dependences of parameters of an orientation of arrays, number and quantities of zero diagrams and their relative positioning in a strip of frequencies are investigated.
It is established, that a relative strip of frequencies where occurs spatial exception handicapes, grows proportionally to displacement of angular position of a source of a radio emission in the field of lateral petals. At transition from the first lateral petal orientation diagram to the third its relative size increases in 1,5 - 2,4 times. The strip of working frequencies from a 12-element lattice is reduced in comparison with the characteristic of system from 16 elements in 1,1 - 1,5 times owing to higher (on 2,9 - 3,4 дБ) a level of lateral petals of the diagram of an orientation. Exception superbroadband radiations at formation of 6 zero in the field of the third lateral petal of the possible becomes
Pages: 18-21
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