CODE-FED OMNIDIRECTIONAL ARRAYS

被引：8

作者：

ELKHAMY, SE ^{[1
]}

ALIM, OAA ^{[1
]}

RUSHDI, AM ^{[1
]}

BANAH, AH ^{[1
]}

机构：

[1] KING ABDULAZIZ UNIV,COLL ENGN,DEPT ELECT & COMP ENGN,JEDDAH 21413,SAUDI ARABIA

来源：

IEEE JOURNAL OF OCEANIC ENGINEERING | 1989年 / 14卷 / 04期

关键词：

Acoustic Imaging - Antennas--Arrays - Codes; Symbolic;

D O I：

10.1109/48.35989

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The synthesis of linear and planar arrays of desired omnidirectional intensity patterns is considered. A novel approach that utilizes the relation between the array intensity pattern and the correlation function of the used feeding sequence, or code, is adopted. The basic theory of such code-fed arrays is reviewed, and it is shown that almost omnidirectional patterns result when codes with sharp autocorrelation functions are used as the feeding sequences. Examples of omnidirectional linear and planar arrays fed with Barker codes, Kuttruff-Quadt trial-and-error two-dimensional binary codes, and nonbinary Huffman-type codes are presented. The results have direct application in underwater communication systems, public address systems, and acoustical imaging systems. They can also be easily adapted to antenna arrays.

引用

页码：384 / 395

页数：12

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