Accession Number : AD0770981

Title :   Directivity of a Uniformly Excited N X N Array of Directive Elements.

Descriptive Note : Rept. for Mar 71-Mar 73,

Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF SYSTEMS ENGINEERING OPERATIONS

Personal Author(s) : King,H. E. ; Wong,Jimmy L.

Report Date : 21 NOV 1973

Pagination or Media Count : 29

Abstract : The directivity characteristics of a uniformly excited N X N array of high or low gain elements are described. The voltage patterns of the individual elements were assumed to be of the form cos(to the mth power) theta and J sub 1 (K theta)/K theta where m and K are parameters used to vary the element pattern beamwidths (32 degrees to 180 degrees). Unidirectional element patterns are assumed; i.e., the radiation pattern in the region 90 degrees < theta < or = 180 degrees has been neglected. The directivity is plotted as a function of the element spacing in wavelengths with N as a parameter (N = 2, 3, 4, 5, 6, 8, 10, and 12). (Author)

Descriptors :   *Antenna arrays, *Directional antennas, Antenna radiation patterns, Mathematical analysis

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE