NDLI: Robust low-range-sidelobe target synthesis for airborne FDMA

Content Provider	IET Digital Library
Author	Zhao, Yang Wu, Jianxin Suo, Zhiyong Liu, Xiaoyu Liang, Yi
Abstract	With the multi-function need for airborne space-time adaptive processing (STAP) radar, range synthesis is usually necessary for the follow-up function of target recognition. Utilising the excellent performance on orthogonality and bandwidth synthesis of the frequency division multiple access (FDMA) waveform and the longer accumulation time of multiple-input multiple-output (MIMO) radar, a robust low-sidelobe target synthesis method for airborne FDMA–MIMO STAP radar is developed. The spectra characteristics of target and clutter are first analysed. Then, the keystone transform is employed to mitigate velocity migration. To avoid gain fluctuation induced by multiple independent adaptive weight vectors, the robust STAP beamformer is developed. Finally, to decouple the range–angle coupling relationship resulted from the FDMA waveform, angle compensation is added in the robust STAP beamformer. Numerical examples are given to demonstrate the effectiveness of the presented method.
Starting Page	1592
Ending Page	1602
Page Count	11
ISSN	17518784
Volume Number	14
e-ISSN	17518792
Issue Number	Issue 10, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/14/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2020.0142
Journal	IET Radar, Sonar & Navigation
Publisher Date	2020-06-17
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Airborne FDMA–MIMO STAP Radar Airborne Radar Array Signal Processing Bandwidth Synthesis Clutter FDMA Waveform Frequency Division Multiple Access Frequency Division Multiple Access Waveform Longer Accumulation Time Low-range-sidelobe Target Synthesis Low-sidelobe Target Synthesis Method MIMO Communication Multiple Access Communication Multiple Independent Adaptive Weight Vector Multiple-input Multiple-output Radar Orthogonality Radar Clutter Radar Equipment Radar Signal Processing Radio Link And Equipment Range Synthesis Range–angle Coupling Relationship Robust STAP Beamformer Signal Processing And Detection Space-time Adaptive Processing Statistics System And Application Target Recognition
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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