An Accurate Wideband Beampattern Synthesis Method Based on the Space-frequency Structure and the Space-time Structure Conversion

Xu WANG; Julan XIE; Zishu HE; Huiyong LI

doi:10.11999/JEIT180545

Volume 41 Issue 5

Apr. 2019

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Xu WANG, Julan XIE, Zishu HE, Huiyong LI. An Accurate Wideband Beampattern Synthesis Method Based on the Space-frequency Structure and the Space-time Structure Conversion[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1032-1039. doi: 10.11999/JEIT180545

Citation:

Xu WANG, Julan XIE, Zishu HE, Huiyong LI. An Accurate Wideband Beampattern Synthesis Method Based on the Space-frequency Structure and the Space-time Structure Conversion[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1032-1039. doi: 10.11999/JEIT180545

Citation:

Xu WANG, Julan XIE, Zishu HE, Huiyong LI. An Accurate Wideband Beampattern Synthesis Method Based on the Space-frequency Structure and the Space-time Structure Conversion[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1032-1039. doi: 10.11999/JEIT180545

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An Accurate Wideband Beampattern Synthesis Method Based on the Space-frequency Structure and the Space-time Structure Conversion

doi: 10.11999/JEIT180545

School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

Funds: The National Natural Science Foundation of China (61871085), The Fundamental Research Funds for the Central Universities (2672018ZYGX2018J010)

Received Date: 2018-06-04
Rev Recd Date: 2018-12-03

Available Online: 2018-12-11

Publish Date: 2019-05-01

Abstract

Abstract

An accurate wideband beampattern synthesis method based on the space-time structure is proposed. Making use of the property that the magnitude response can be translated into linear function under the condition of conjugate symmetric weights, the beampattern synthesis problem is transformed into the convex optimization problem. The weights of space-time structure can be obtained by utilizing the principle of relationship between the two structures, after the weights of space-frequency structure is calculated by the interior point method. The proposed method can realize the wideband beampattern synthesis accurately, meanwhile ensuring the linear phase characteristic of the array response. Simulation results demonstrate the effectiveness of the proposed method.

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References(26)

References

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