A Beam Forming Method Based on Amplitude Weighting of Uniform Circular Array

Jin Lin Wang; Yong Qing Fu; Xue Liu

doi:10.4028/www.scientific.net/AMR.989-994.3722

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994A Beam Forming Method Based on Amplitude Weighting...

A Beam Forming Method Based on Amplitude Weighting of Uniform Circular Array

Abstract:

The uniform circular planar array (UCA) has lots of advantages what linear arrays and other surface arrays don't have. However, because of its limitations, such as the high side-lobe level and low zero depth, the application on controlling array space direction by beam forming has been limited. Considering the characteristics of UCA, the receiving UCA's signal model is established in this paper. The influence factors of UCA's beam will be found out on the basis of theoretical derivation. A new method, that can improve the performance of the UCA beam directivity by amplitude weighting, is proposed in this paper. The theoretical derivation results and simulation results improved that the method could have a better ability in side-lobe suppression, and the new method could make the UCA to have a good application prospect.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

3722-3725

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.3722

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Online since:

July 2014

Authors:

Jin Lin Wang*, Yong Qing Fu, Xue Liu

Keywords:

Amplitude Weighting, Beam-Forming, Side-Lobe Suppression, Uniform Circular Array

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* - Corresponding Author

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