RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS

Rao Qinjiang; Lin Changlu

Volume 15 Issue 2

Mar. 1993

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Article Navigation > Journal of Electronics & Information Technology > 1993 > 15(2): 187-190

Rao Qinjiang, Lin Changlu. RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS[J]. Journal of Electronics & Information Technology, 1993, 15(2): 187-190.

Citation:

Rao Qinjiang, Lin Changlu. RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS[J]. Journal of Electronics & Information Technology, 1993, 15(2): 187-190.

Rao Qinjiang, Lin Changlu. RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS[J]. Journal of Electronics & Information Technology, 1993, 15(2): 187-190.

Citation:

Rao Qinjiang, Lin Changlu. RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS[J]. Journal of Electronics & Information Technology, 1993, 15(2): 187-190.

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RESEARCH ON RESONANT FREQUENCY OF DEFORMED CIRCULAR MICROSTRIP ANTENNAS

Rao Qinjiang^{①;林昌禄},
Lin Changlu

Received Date: 1991-12-25
Rev Recd Date: 1992-06-12
Publish Date: 1993-03-19

Abstract

Abstract

On account of narrow bandwidth, many applications of microstrip antennas are limited in great degree. How to widen its bandwidth is being concerned by lots of scholars at home and abroad. In this paper, resonant frequency of the deformed circular microstrip antennas is investigated based on variational principle and the perturbation concept. The theoretical results are found to be in reasonable agreement with the experimental ones for small modified element. This paper provides a theoretical and experimental bases for the synthesis of microstrip antennas.

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References(1)

References

多贺登喜雄, 电子情报通信学会论文誌,J65-B(1982)6, 777-784。[2]U. S. Patent No. 4160976, Conoy, July, 10, 1979.[3]钟顺时著, 微带天线理论与应用, 西安电子科技大学出版社, 西安, 1991年.[4]张钧，刘克诚等编著, 微带天线理论与工程,国防工业出版社,北京,1987年,第298-304页.[5]饶亲江, 通信学报,11(1990)5, 17-22.[6]饶亲江, 林昌禄,电子科技大学学报,20(1990)1, 26-29.[7]林昌禄,天线测量技术,成都电讯工程学院出版社,成都,1987年,第20-42页.[8]M. Haneishi, S. Yoshida, N. Goto, A Broad-Band Microstrip Array Composed of Single-Feed Type Circularly Polarized Microstrip Antennas, IEEE AP-S Int. Symp. Digest, (1983), pp. 160-161.

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