NDLI: Space-time adaptive processing for phased-multiple-input–multiple-output radar in the non-homogeneous clutter environment

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Space-time adaptive processing for phased-multiple-input–multiple-output radar in the non-homogeneous clutter environment

Content Provider	IET Digital Library
Author	Ahmadi, Moein pour, Kamal Mohamed
Abstract	This study presents some new methods for space-time adaptive processing for airborne multiple-input–multiple-output (MIMO) radar with co-located antennas in the non-homogeneous environment. The presented signal model is a general model for airborne phased-MIMO radar which can easily switch between conventional phased-array radar and MIMO radar to enjoy the advantages of the MIMO radar without sacrificing the main advantage of the phased-array radar which is the coherent processing gain at the transmitting side. In the non-homogeneous environment, the training data with the same statistical interference characteristics is not available to estimate interference covariance matrix, the authors present two space-time adaptive processing (STAP) approaches. The first one is based on the orthogonal projection on the clutter subspace which is applicable for known clutter signature scenarios. The matrix which describes the signature of ground clutter for airborne phased-MIMO radar is derived. For unknown clutter subspace, they propose the deterministic phased-MIMO STAP (also known as direct data domain approach) which suppresses the interference signal without the requirement for an interference covariance matrix. The parameters of deterministic phased-MIMO STAP are determined to maximise the degree of freedoms. Simulations are provided to demonstrate the performance of the proposed STAP approaches in the non-homogeneous environments.
Starting Page	585
Ending Page	596
Page Count	12
ISSN	17518784
Volume Number	8
e-ISSN	17518792
Issue Number	Issue 6, Jul (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/8/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2013.0246
Journal	IET Radar, Sonar & Navigation
Publisher Date	2014-01-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Airborne Multiple-inputâ€“multiple-output Radar Airborne Phased-MIMO Radar Airborne Radar Algebra Clutter Signature Clutter Subspace Co-located Antenna Covariance Matrices Deterministic Phased-MIMO STAP Electromagnetic Compatibility Ground Clutter Interference Interference Covariance Matrix Interference Signal MIMO Radar Nonhomogeneous Clutter Environment Nonhomogeneous Environment Orthogonal Projection Phased Array Radar Phased-array Radar Phased-multiple-inputâ€“multiple-output Radar Radar Clutter Radar Equipment Radio Frequency Interference Signal Processing And Detection Space-time Adaptive Processing Statistical Interference Characteristic System And Application
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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