FREQUENCY SCANNING MICROSTRIP ANTENNAS

被引：54

作者：

DANIELSEN, M

JORGENSEN, R

机构：

[1] Electromagnetics Institute, Technical University of Denmark

[2] Ticra ApS

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1979年 / 27卷 / 02期

关键词：

D O I：

10.1109/TAP.1979.1142049

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The principles of using radiating microstrip resonators as elements in a frequency scanning antenna array are described. The resonators are cascade-coupled. This gives a scan of the main lobe due to the phase-shift in the resonator in addition to that created by the transmission line phase-shift. Experimental results in X-band, in good agreement with the theory, show that it is possible to scan the main lobe an angle of ±30° by a variation of the frequency ±300 MHz, and where the 3 dB beamwidth is less than 10°. The directivity was 14.7 dB, while the gain was 8.1 dB. The efficiency might be improved by a trade-off between the efficiency and the scanning angle, or by using a better amplitude distribution. Copyright © 1979 by The Institute of Electrical and Electronics Engineers, Inc.

引用

页码：146 / 150

页数：5

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