Title :
4-element arrays for enhanced circular polarization performance
Author_Institution :
Inst. fuer Hochfrequenztech., Tech. Univ. Berlin, West Germany
Abstract :
The author describes an array principle which combines the polarization performance of the antenna elements with the special properties of symmetrical four-element structures. Circular polarization with a high degree of cross-polarization discrimination can be obtained with these antennas with no need for extremely optimized system components. The typical radiation pattern for a low-gain circularly polarized antenna is presented. Examples for possible realizations of the array principle are shown.<>
Keywords :
antenna arrays; antenna radiation patterns; electromagnetic wave polarisation; 4-element arrays; antenna array; antenna elements; circular polarization performance; cross-polarization discrimination; low gain antenna; radiation pattern; Antenna arrays; Antenna feeds; Frequency diversity; Military communication; Polarization; Radar scattering; Remote sensing; Shape; Stability; Voltage;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1989. AP-S. Digest
Conference_Location :
San Jose, CA, USA
DOI :
10.1109/APS.1989.134996
