Results 41 to 50 of about 7,522 (178)

Ground clutter simulation for airborne forward-looking multi-channel LFMCW radar

open access: yesThe Journal of Engineering, 2019
Ground clutter is a crucial factor that affects the detection performance of the airborne forward-looking multi-channel linear frequency modulated continuous wave (LFMCW) radar, so the distribution characteristics of studying the ground clutter plays an ...
Hai Li, Jialing Duan, Di Song
doaj   +1 more source

A Novel Reconstruction Method of K-Distributed Sea Clutter with Spatial–Temporal Correlation

open access: yesSensors, 2020
The reconstruction of sea clutter plays an important role in target detection and recognition in a maritime environment. Reproducing the temporal and spatial correlations of real data simultaneously is always a problem in the reconstruction of sea ...
Mingyue Ding   +4 more
doaj   +1 more source

The Clutter Simulation of a Known Terrain by the 3D Parabolic Equation and RCS Computation

open access: yesSensors, 2022
Ground clutter data are usually generated using a statistical model, but they cannot effectively reflect the spatial distribution characteristics of ground objects.
Zhiyi Wang   +3 more
doaj   +1 more source

A Range-ambiguous Clutter Suppression Method for MIMO Bistatic Airborne Radar

open access: yesLeida xuebao, 2018
The ground clutter of sidelooking Multiple-Input Multiple-Output (MIMO) bistatic radar has severe problems of range-dependence and clutter spectrum spreading.
Wang Yuzhuo, Zhu Shengqi, Xu Jingwei
doaj   +1 more source

An Ionospheric Es Layer Clutter Model and Suppression in HF Surfacewave Radar

open access: yesInternational Journal of Antennas and Propagation, 2013
This paper based on a fast implemented multiphase screen method using DFT puts forward an ionospheric Es layer clutter model and uses the newly developed dimensionality reduction space-time adaptive processing- (STAP-) JDL algorithm to suppress Es layer ...
Yajun Li   +4 more
doaj   +1 more source

Classification Method of Uniform Circular Array Radar Ground Clutter Data Based on Chaotic Genetic Algorithm

open access: yesSensors, 2021
The classification and recognition of radar clutter is helpful to improve the efficiency of radar signal processing and target detection. In order to realize the effective classification of uniform circular array (UCA) radar clutter data, a ...
Bin Yang   +6 more
doaj   +1 more source

A Novel Method for Sea-Land Clutter Separation Using Regularized Randomized and Kernel Ridge Neural Networks

open access: yesSensors, 2020
Classification of clutter, especially in the context of shore based radars, plays a crucial role in several applications. However, the task of distinguishing and classifying the sea clutter from land clutter has been historically performed using clutter ...
Le Zhang   +3 more
doaj   +1 more source

Small Floating Target Detection Method Based on Chaotic Long Short-Term Memory Network

open access: yesJournal of Marine Science and Engineering, 2021
In order for the detection ability of floating small targets in sea clutter to be improved, on the basis of the complete ensemble empirical mode decomposition (CEEMD) algorithm, the high-frequency parts and low-frequency parts are determined by the ...
Yan Yan, Hongyan Xing
doaj   +1 more source

Motion Clutter Suppression for Non-Cooperative Target Identification Based on Frequency Correlation Dual-SVD Reconstruction

open access: yesSensors
Non-cooperative targets, such as birds and unmanned aerial vehicles (UAVs), are typical low-altitude, slow, and small (LSS) targets with low observability.
Weikun He, Yichuan Luo, Xiaoxiao Shang
doaj   +1 more source

Comparative Study on Chaos Identification of Ionospheric Clutter From HFSWR

open access: yesIEEE Access, 2019
In addition to target echoes, high frequency surface wave radar (HFSWR) receives sea and ionospheric clutter. Among these clutters, the ionospheric clutter is dominant and significantly affects the detection performance of HFSWR, particularly when the ...
Lyu Zhe   +4 more
doaj   +1 more source

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