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A High-accuracy Beamspace DOA Estimation Method for Low-elevation Angle Targets

Direction of Arrival (DOA) estimation for low-elevation angle targets is a critical challenge in meter-wave and holographic staring radar systems, as its accuracy directly affects target height measurement performance. Traditional beamspace methods reduce computational complexity by projecting high-...

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Main Authors: Qi LIU, Rui GUO, Jiajia WANG, Shiyou XU, Zengping CHEN
Format: Artigo
Language:Inglês
Published: China Science Publishing & Media Ltd. (CSPM) 2026-06-01
Series:Leida xuebao
Subjects:
low-elevation angle target
direction of arrival (doa) estimation
beamspace processing
cramér-rao bound (crb)
multipath effect
maximum likelihood
Online Access:https://radars.ac.cn/cn/article/doi/10.12000/JR25173
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