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COMPUTER MODELING OF ANTENNAS NEAR THE GROUND

 

作者: G. J. Burke,   E. K. Miller,   J. N. Brittingham,   D. L Lager,   R. J. Lytle,   J. T. Okada,  

 

期刊: Electromagnetics  (Taylor Available online 1981)
卷期: Volume 1, issue 1  

页码: 29-49

 

ISSN:0272-6343

 

年代: 1981

 

DOI:10.1080/02726348108915123

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

An accurate and efficient numerical method based on the rigorous Sommer-feld theory is described for modeling antennas near an interface such as the ground. The Sommerfeld integrals are evaluated by numerical integration along contours in the complex plane and two-dimensional interpolation is used subsequently to obtain the many Sommerfeld integral values needed for the moment-method solution of an integral equation. These methods permit modeling an antenna within 10-6wavelengths of the ground for about two to four times the computation time for the same antenna in free space. Results showing currents and radiation patterns are included.

 

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