Development and Analysis of a half-space Scanning Beam for Planar Arrays Based on tri-polarized Elements

CHEN Xi; FU Ming; HAN Guodong

doi:10.11999/JEIT220520

Volume 45 Issue 6

Jun. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(6): 2115-2122

CHEN Xi, FU Ming, HAN Guodong. Development and Analysis of a half-space Scanning Beam for Planar Arrays Based on tri-polarized Elements[J]. Journal of Electronics & Information Technology, 2023, 45(6): 2115-2122. doi: 10.11999/JEIT220520

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CHEN Xi, FU Ming, HAN Guodong. Development and Analysis of a half-space Scanning Beam for Planar Arrays Based on tri-polarized Elements[J]. Journal of Electronics & Information Technology, 2023, 45(6): 2115-2122. doi: 10.11999/JEIT220520

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Development and Analysis of a half-space Scanning Beam for Planar Arrays Based on tri-polarized Elements

doi: 10.11999/JEIT220520

CHEN Xi^{1
,
,},
FU Ming¹,
HAN Guodong²

1.
National Key Laboratory of Antennas and Microwave Technology, Xidian University, Xi’an 710071, China
2.
The 54th Reasearch Institute of China Electronics Technology Corporation, Shijiazhuang 050081, China

Funds: The National Natural Science Foundation of China (62171346), The Foundation of National Key Laboratory of Antennas and Microwave Technology (6142402200308)

Received Date: 2022-04-27
Rev Recd Date: 2022-10-14

Available Online: 2022-10-20

Publish Date: 2023-06-10

Abstract

Abstract

To achieve high performance beam scanning of tri-polarized planar arrays over a wide angle range, this study presents a tri-polarized element-based method that forms a half-space scanning beam of planar arrays . Moreover, the beam scanning characteristics of the phased array are also analyzed and presented. Considering that the characteristics of the three polarizations of the element are consistent, starting from the required direction of the synthetic beam of the element, the unit vector of the synthesis electric field orthogonal to the beam direction is decomposed along the three orthogonal polarization directions to obtain the phase and amplitude of the three polarization electric field components. Subsequently, according to the proportional relationship between the power and square of the polarization electric field amplitude, the excitation expressions required for polarization synthesis in four polarization forms are derived, and their accuracies are verified through simulation. The classical method that controls the array factor is used. Furthermore, by changing the phase difference between the array elements, the scanning angle of the array factor is adjusted to be consistent with the beam direction of the antenna element, forming the half-space array scanning beams in any direction. Finally, the scanning characteristics of the array under four polarization forms are simulated and without considering the mutual coupling between the array elements. The results reveal that the array has excellent half-space scanning characteristics, verifying the effectiveness of the beamforming method.
- Tri-polarization,
- Phased array,
- Polarization synthesis,
- Half-space beam scanning,
- Beam synthesis

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References(17)

References

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