INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE

Li Li; Yang Yuan; Li Ronglong

Volume 11 Issue 6

Nov. 1989

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Article Navigation > Journal of Electronics & Information Technology > 1989 > 11(6): 569-575

Li Li, Yang Yuan, Li Ronglong. INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE[J]. Journal of Electronics & Information Technology, 1989, 11(6): 569-575.

Citation:

Li Li, Yang Yuan, Li Ronglong. INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE[J]. Journal of Electronics & Information Technology, 1989, 11(6): 569-575.

Li Li, Yang Yuan, Li Ronglong. INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE[J]. Journal of Electronics & Information Technology, 1989, 11(6): 569-575.

Citation:

Li Li, Yang Yuan, Li Ronglong. INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE[J]. Journal of Electronics & Information Technology, 1989, 11(6): 569-575.

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INPUT IMPEDANCE OF MICROSTRIP ANTENNA WITH THICK MULTILAYER SUBSTRATE

Li Li^①;杨渊,
Yang Yuan,
Li Ronglong

Received Date: 1988-10-14
Rev Recd Date: 1989-04-14
Publish Date: 1989-11-19

Abstract

Abstract

A new method is presented to analyze the multilayer electrically thick circular microstrip antenna excited by a probe. The current on the probe is taken to be uniform. Based on free space electric dyadic Green s function, the field expression of a horizontal electric dipole (HED), which is located in any point of multilayer media and in any direction, has been derived. By using this field expression and Richmond reaction equation, an integral equation of electric current on the patch is formulated. By properly choosing basic function for current expansion, this method can be used for an electrically thick microstrip antenna. The theoretical results are very agree with experimental data for an electrically thick circular microstrip antenna with an air gap.

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References(1)

References

J. A. Kong, Theory of Electromagnetic Waves, Wiley, New York, 1975.[2]M. D. Deshpande, M. C. Bailey, IEEE Trans. on AP, AP-30 (1982), 645-650.[3]N. N. Wang, J. H. Richmond, M. C. Gilreath. IEEE Trans. on AP, AP-23 (1978), 376-382.[4]W. C. Chew, J. A. Kong, IEEE Trans. on AP, AP-29(1981), 68-76.[5]李立, 北京邮电学院, 硕士论文, 1987.[6]M. C. Bailey, M. D. Deshpande, IEEE Trans. on AP, AP-33(1985), 954-959.[7]E. C. Jordan, Electromagnetic Waves and Radiating Systems. Englewood Cliffs, NJ: Prentice-Hall, 1950.[8]K. R. Carver, J. W. Mink, IEEE Trans. on AP, AP-29(1981), 2-24.

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