Results 21 to 30 of about 1,288,009 (328)

Reduced Degrees of Freedom in Space-Time Adaptive Processing for Space-based Early Warning Radar

open access: yesLeida xuebao, 2022
The clutter of space-based early warning radar exhibits tight coupling in the azimuth-elevation-Doppler domain due to the high speed of satellites and the Earth’s rotation.
Keqing DUAN   +4 more
doaj   +1 more source

A fast sparse Bayesian learning method with adaptive Laplace prior for space‐time adaptive processing

open access: yesIET Radar, Sonar & Navigation, 2022
Space‐time adaptive processing with finite samples is supposed to be a crucial technique for airborne radar systems. Inspired by the application of Gaussian prior in sparse Bayesian learning algorithm and the adaptive least absolute shrinkage and ...
Degen Wang, Tong Wang, Weichen Cui
doaj   +1 more source

Space-Time Cascaded Processing-Based Adaptive Transient Interference Mitigation for Compact HFSWR

open access: yesRemote Sensing, 2023
In high-frequency (HF) radar systems, transient interference is a common phenomenon that dramatically degrades the performance of target detection and remote sensing.
Di Yao, Qiushi Chen, Qiyan Tian
doaj   +1 more source

A Subspace Method for MIMO Radar Space-Time Adaptive Processing [PDF]

open access: yes, 2007
In the traditional transmitting beamforming radar system, the transmitting antennas send coherent waveforms which form a highly focused beam.
Chen, Chun-Yang, Vaidyanathan, P. P.
core   +1 more source

Space-Time Adaptive Processing by Employing Structure-Aware Two-Level Block Sparsity

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Traditional radar space-time adaptive processing (STAP) cannot efficiently suppress heterogeneous clutter because of a small number of independent and identically distributed training snapshots.
Zhizhuo Jiang   +4 more
doaj   +1 more source

Reduced-Rank STAP Schemes for Airborne Radar Based on Switched Joint Interpolation, Decimation and Filtering Algorithm [PDF]

open access: yes, 2010
In this paper, we propose a reduced-rank space-time adaptive processing (STAP) technique for airborne phased array radar applications. The proposed STAP method performs dimensionality reduction by using a reduced-rank switched joint interpolation ...
de Lamare, R.C., Fa, R., Wang, L.
core   +1 more source

Deep learning for high‐resolution estimation of clutter angle‐Doppler spectrum in STAP

open access: yesIET Radar, Sonar & Navigation, 2022
Space‐time adaptive processing (STAP) methods can provide good clutter suppression potential in airborne radar systems. However, the performance of these methods is limited by the training samples' support in practical applications. To address this issue,
Keqing Duan   +3 more
doaj   +1 more source

An Efficient Sparse Bayesian Learning STAP Algorithm with Adaptive Laplace Prior

open access: yesRemote Sensing, 2022
Space-time adaptive processing (STAP) encounters severe performance degradation with insufficient training samples in inhomogeneous environments. Sparse Bayesian learning (SBL) algorithms have attracted extensive attention because of their robust and ...
Weichen Cui   +3 more
doaj   +1 more source

Fast estimation of false alarm probabilities of STAP detectors - the AMF [PDF]

open access: yes, 2005
This paper describes an attempt to harness the power of adaptive importance sampling techniques for estimating false alarm probabilities of detectors that use space-time adaptive processing.
Rangaswamy, Muralidhar   +1 more
core   +2 more sources

Dimension-reduced bi-iterative space–time adaptive processing method for airborne radar

open access: yesThe Journal of Engineering, 2019
A novel bi-iterative dimension-reduced space–time adaptive processing (STAP) algorithm for clutter suppression and moving target detection in airborne radar system is proposed.
Yuxiang Wang, Xiaoming Li, Wei Gao
doaj   +1 more source

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