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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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ACCURATE AND EFFICIENT ANALYSIS OF LARGE ANTENNA ARRAYS WITH RADOME ON A LARGE AIRCRAFT

By X.-M. Sun, M.-L. Yang, and X.-Q. Sheng

Full Article PDF (476 KB)

Abstract:
An accurate and efficient computational approach is presented for analyzing radiation characteristics of large antenna arrays with radome. This approach is based on the hybrid finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA). Unlike the conventional single-domain FE-BI-MLFMA, the whole domain of the antenna array with radome is separated into many disconnected domains. A large free space area unavoidable in the single-domain FE-BI-MLFMA is eliminated in this multi-domain FE-BI-MLFMA formulation, thus the number of unknowns is greatly reduced in the presented multi-domain FE-BI-MLFMA approach. Different from the single-domain FE-BI-MLFMA, many integral equations are required in this multi-domain FE-BI-MLFMA. The numerical experiment shows that the presented multi-domain FE-BI-MLFMA is more efficient than the single-domain one while maintaining the same accuracy. A whole complicated system of a slotted-waveguide array with radome mounted on an aircraft is analyzed to further demonstrate the generality and capability of the presented multi-domain FE-BI-MLFMA.

Citation:
X.-M. Sun, M.-L. Yang, and X.-Q. Sheng, "Accurate and Efficient Analysis of Large Antenna Arrays with Radome on a Large Aircraft," Progress In Electromagnetics Research, Vol. 153, 103-111, 2015.
doi:10.2528/PIER15082003
http://www.jpier.org/PIER/pier.php?paper=15082003

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