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The resonant circular array of electrically short elements

 

作者: George Fikioris,   Ronold W. P. King,   Tai Tsun Wu,  

 

期刊: Journal of Applied Physics  (AIP Available online 1990)
卷期: Volume 68, issue 2  

页码: 431-439

 

ISSN:0021-8979

 

年代: 1990

 

DOI:10.1063/1.346839

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Different resonant distributions of current in circular arrays withN=60, 72, and 90 elements are investigated theoretically with the method of symmetrical components and a two‐term representation of current in each element. The arrays studied have only one driven element. The remarkable results—which are displayed in a sequence of graphs—indicate that the relative currents in the elements can be distributed in triplets, triplets alternating with singlets, two independent sets of singlets, or one set of singlets. The driving‐point impedance of this last distribution is a pure resistance, theQof the 90‐element array is over 30 000, and the half‐power beamwidth of each of the 90 sharp peaks in the power pattern is 2°.

 

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