Open AccessSea clutter suppression for shipborne HFSWR using joint sparse recovery‐based STAP
Author(s) -
Zhu Yongpeng,
Wei Yinsheng,
Zhu Kaihui
Publication year - 2016
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2016.0212
Subject(s) - clutter , subspace topology , radar , computer science , joint (building) , remote sensing , acoustics , radar horizon , geology , artificial intelligence , algorithm , continuous wave radar , radar imaging , physics , engineering , telecommunications , architectural engineering
On the basis of the intrinsic sparsity of sea clutter in shipborne high‐frequency surface wave radar, a joint sparse recovery‐based space–time adaptive processing (STAP) technique is proposed to suppress the spread sea clutter. In the proposed method, the partial clutter subspace is first estimated with training samples from only one range cell. Afterwards, a generalised matching pursuit method using the oblique projector is derived to recover the complementary clutter subspace. The sea clutter suppressor is finally constructed by STAP. According to experimental results, the proposed method can obtain a more accurate estimation of sea clutter spectrum and thus achieve better suppression performance.