Research on the performance of nonuniform circular array for direction finding ambiguity resolution

Zongwu Dai; Shaofu Zhang; Shuang Li

doi:10.1117/12.2614604

15 February 2022 Research on the performance of nonuniform circular array for direction finding ambiguity resolution

Zongwu Dai, Shaofu Zhang, Shuang Li

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 1216628 (2022) https://doi.org/10.1117/12.2614604
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

In the antenna array structure of passive radar seeker, uniform circular array is usually selected. However, due to the influence of spatial distribution, missile structure and radome design constraints, the non-uniform circular array antenna array structure is needed in special cases. In this paper, the principle of direction finding ambiguity generation of multiple signal classification is described, the solution design of the maximum radius of the uniform circular array and the non-uniform circular array is analyzed, at the same time, for the non-uniform circular array structure, the ambiguity performance of the array under the maximum radius and greater than the maximum radius is compared and analyzed, the effectiveness of the theory in the nonuniform circular array is verified by simulation. This paper has a reference value for solving the ambiguity of direction finding under the arrangement of passive non-uniform circular array in engineering application.

Citation Download Citation

Zongwu Dai, Shaofu Zhang, and Shuang Li "Research on the performance of nonuniform circular array for direction finding ambiguity resolution", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 1216628 (15 February 2022); https://doi.org/10.1117/12.2614604

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