CLC number: TN973.21
On-line Access: 2019-11-11
Received: 2018-11-14
Revision Accepted: 2019-06-23
Crosschecked: 2019-10-10
Cited: 0
Clicked: 5071
Bo Wang, Jun-wei Xie, Jing Zhang, Jia-ang Ge. Dot-shaped beamforming analysis of subarray-based sin-FDA[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(10): 1429-1444.
@article{title="Dot-shaped beamforming analysis of subarray-based sin-FDA",
author="Bo Wang, Jun-wei Xie, Jing Zhang, Jia-ang Ge",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="20",
number="10",
pages="1429-1444",
year="2019",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1800722"
}
%0 Journal Article
%T Dot-shaped beamforming analysis of subarray-based sin-FDA
%A Bo Wang
%A Jun-wei Xie
%A Jing Zhang
%A Jia-ang Ge
%J Frontiers of Information Technology & Electronic Engineering
%V 20
%N 10
%P 1429-1444
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%D 2019
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1800722
TY - JOUR
T1 - Dot-shaped beamforming analysis of subarray-based sin-FDA
A1 - Bo Wang
A1 - Jun-wei Xie
A1 - Jing Zhang
A1 - Jia-ang Ge
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 20
IS - 10
SP - 1429
EP - 1444
%@ 2095-9184
Y1 - 2019
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1800722
Abstract: Phased array (PA) radar is one of the most popular types of radar. In contrast to PA, the frequency diverse array (FDA) is a potential solution to suppress range-related interference because of its time-range-angle-dependent beampattern. However, the range-angle coupling inherent in the FDA transmit beampattern may degrade the output signal-to-interference-plus-noise ratio (SINR). We propose a dot-shaped beamforming method based on the analyzed four subarray-based FDAs and subarray-based planar FDAs using a sinusoidally increasing frequency offset with elements transmitting at multiple frequencies. The numerical results show that the proposed approach outperforms the existing log-FDA with logarithmical frequency offset in transmit energy focus, sidelobe suppression, and array resolution. Comparative simulation results validate the effectiveness of the proposed method.
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