Accession Number : ADP005406

Title :   A Technique for Low Sidelobes in Monopulse Planar Array Antennas,

Corporate Author : ERICSSON RADIO SYSTEMS AB STOCKHOLM (SWEDEN)

Personal Author(s) : Derneryd,Anders G.

Report Date : FEB 1987

Pagination or Media Count : 16

Abstract : Conventional monopulse planar arrays designed for Low sum sidelobe levels suffer from high sidelobes in the two different patterns. The monopulse function is obtained by combining the outputs of the four quadrants in a monopulse comparator, hence the amplitude tapering is the same for the sum and the two different modes. The phase reversal and the amplitude discontinuity when forming the difference modes causes the high difference sidelobe levels.

Descriptors :   *PLANAR STRUCTURES, *SIDELOBES, *ANTENNA ARRAYS, COMPARATORS, ANTENNA FEEDS, FEEDBACK

Subject Categories : Electrical and Electronic Equipment
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE