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23 May 2022 FD-MIMO radar Capon beamforming performance analysis
Xinghui Li, Dangwei Wang, Xiaoyan Ma
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Proceedings Volume 12254, International Conference on Electronic Information Technology (EIT 2022); 122541A (2022) https://doi.org/10.1117/12.2638901
Event: International Conference on Electronic Information Technology (EIT 2022), 2022, Chengdu, China
Abstract
Traditional phased array radar (PAR) beamforming only has angular dimension degrees of freedom, and most of the research models are linear arrays. Frequency diversity multiple input multiple output (FD-MIMO) radar expands the freedom of beam range dimension and obtains the freedom of transmitter. In order to study the beamforming performance of FD-MIMO radar under planar array model, a signal model of planar array frequency division MIMO radar is established. Based on this array model comparison and analysis three work modes: Two-dimensional frequency diversity MIMO (TFD-MIMO) radar, pitch frequency diversity MIMO (PFD-MIMO) radar, azimuth frequency diversity MIMO (AFD-MIMO) radar beam characteristics and Capon beamformer performance. FD-MIMO radar beamforming introduces range-dimensional degrees of freedom, which has significant advantages in countering main lobe deception jamming. The research of PFD-MIMO radar and AFD-MIMO radar provides theoretical support for the balance between high performance and high data dimension of the radar system. The proposed FD-MIMO radar model has flexible working mode and enriches the research of multi-mode radar system.
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Xinghui Li, Dangwei Wang, and Xiaoyan Ma "FD-MIMO radar Capon beamforming performance analysis", Proc. SPIE 12254, International Conference on Electronic Information Technology (EIT 2022), 122541A (23 May 2022); https://doi.org/10.1117/12.2638901
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KEYWORDS
Radar
Phased arrays
Error analysis
Antennas
Performance modeling
Beam analyzers
Radar signal processing
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