Results 11 to 20 of about 118,329 (196)

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

Space-Time Adaptive Processing for Airborne Radars With Space-Time Coprime Sampling Structure

open access: yesIEEE Access, 2018
Coprime arrays and coprime time samplers have been receiving attractive attention recently due to their advantages of large apertures and achievable degrees of freedom with low cost.
Xiaoye Wang   +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

Jointly Iterative Adaptive Approach Based Space Time Adaptive Processing Using MIMO Radar

open access: yesIEEE Access, 2018
To solve the problem of large training samples requirement of space time adaptive processing (STAP), a jointly sparse matrices recovery-based method is proposed for clutter plus noise covariance matrix estimation by exploiting the transmitting waveform ...
Weike Feng   +4 more
doaj   +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

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

ADMM-Based Low-Complexity Off-Grid Space-Time Adaptive Processing Methods

open access: yesIEEE Access, 2020
In this paper, we consider the problems of off-grid effects elimination and fast implementations for sparse recovery based space-time adaptive processing (SR-STAP) methods.
Zhongyue Li, Tong Wang
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

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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