Accession Number : AD0723520
Title : Analysis of Interleaved Arrays of Waveguide Elements.
Descriptive Note : Interim rept.,
Corporate Author : NAVAL RESEARCH LAB WASHINGTON D C
Personal Author(s) : Hsiao,James K.
Report Date : 16 APR 1971
Pagination or Media Count : 30
Abstract : Multiple interleaved arrays of waveguide radiators have been analyzed at different frequencies. The approach is a generalization of the analysis of an infinite array at a single frequency. The presence of the low-frequency elements affects the radiation characteristics of the high-frequency elements and generates grating lobes which do not appear in a single-frequency array. Furthermore, power is coupled into the low-frequency waveguides when the high-frequency elements are excited. Numerical examples are presented which show that these effects are not severe. The analytical expressions reduce correctly to the single-frequency array case and satisfy the principle of energy conservation. (Author)
Descriptors : (*WAVEGUIDES, PHASED ARRAYS), (*SEARCH RADAR, SHIPBOARD), ADMITTANCE, ANTENNA RADIATION PATTERNS, MATHEMATICAL ANALYSIS
Subject Categories : Electrical and Electronic Equipment
Active & Passive Radar Detection & Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE