Results 1 to 10 of about 5,607,096 (183)

Characteristic Description and Statistical Model-Based Method for Sea Clutter Modeling

Remote Sensing
The modeling and analysis of sea clutter are of great significance in radar target detection studies in marine environments. Sea clutter typically exhibits non-Gaussian characteristics and spatiotemporal correlations, posing challenges for modeling ...
Huafeng He, Zhen Li, Xi Zhang, Jianguang Jia, Yaomin He, Yongquan You   +5 more
doaj   +5 more sources

Multichannel Sea Clutter Measurement and Space-Time Characteristics Analysis with L-Band Shore-Based Radar

Remote Sensing, 2022
In order to study the space-time characteristics of sea clutter, the sea clutter is always measured by the airborne multichannel radar; however, the sea clutter shows the heterogeneity between range gates, which means the space-time covariance matrix’s ...
Jintong Wan, Feng Luo, Yushi Zhang, Jinpeng Zhang, Xinyu Xu   +4 more
doaj   +4 more sources

Analysis of amplitude statistical and correlation characteristics of high grazing angle sea-clutter

The Journal of Engineering, 2019
Research on the characteristics of sea clutter has always been the focus in the problem of sea target detection as an indispensable part. In recent years, the problem of sea clutter characteristics under medium-high grazing angle is also paid more and ...
Heng-Yan Liu, Jie Song, Wei Xiong, Ya-Qi Cui, Ya-Fei Lv, Jun Liu   +5 more
doaj   +3 more sources

Research on Sea Clutter Simulation Method Based on Deep Cognition of Characteristic Parameters

Remote Sensing
The development of radar systems requires extensive testing. However, field experiments are costly and time-consuming. Sea clutter simulation is of great significance for evaluating radar system detection performance.
Peng Zeng, Yushi Zhang, Xiaoyun Xia, Jinpeng Zhang, Pengbo Du, Zhiheng Hua, Shuhan Li   +6 more
doaj   +3 more sources

New applications of clutter simulation in airborne early warning radar [PDF]

Zhihui kongzhi yu fangzhen, 2023
The characteristics of airborne early warning radar and the difficulties of clutter suppression are introduced in this paper. The research process of clutter simulation is then reviewed. On the basis of the analysis of the clutter model of airborne early
ZHU Huan, ZHANG Liang, WU Tao
doaj   +1 more source

Spread sea clutter suppression via prior knowledge‐based space time adaptive processing in high frequency hybrid sky‐surface wave radar

IET Radar, Sonar & Navigation, 2023
In high frequency (HF) hybrid sky‐surface wave radar, the first‐order sea clutter broadening is severe under the action of ionospheric phase disturbance and bistatic angles.
Ya‐Jun Li, Zhuo‐Qun Wang, Lin Xu, Wen‐Hao Zhang, Zhu‐Hao Lu, Zhi‐Cheng Wang   +5 more
doaj   +1 more source

Sea Clutter Spectral Parameters Prediction and Influence Factor Analysis Based on Deep Learning

Leida xuebao, 2023
Using Deep Neural Network (DNN) modeling technology, a prediction model of Doppler spectral parameters of sea clutter based on multiple measurement conditions is established based on measured data of sea clutter from shore-based radar under different ...
Yushi ZHANG, Xiaoyu LI, Jinpeng ZHANG, Xiaoyun XIA   +3 more
doaj   +1 more source

Distribution Characteristics of Ground Echo Amplitude and Recognition of Signal Grazing Angle

Sensors, 2021
With the continuous advancement of electronic technology, terahertz technology has gradually been applied on radar. Since short wavelength causes severe ground clutter, this paper studies the amplitude distribution statistical characteristics of the ...
Guangwei Zhang, Ping Li, Guolin Li, Ruili Jia   +3 more
doaj   +1 more source

Research on a Simulation Method of the Millimeter Wave Radar Virtual Test Environment for Intelligent Driving

Sensors, 2020
This study addresses the virtual testing of intelligent driving, examines the key problems in modeling and simulating millimeter wave radar environmental clutter, and proposes a modeling and simulation method for the environmental clutter of millimeter ...
Xin Li, Xiaowen Tao, Bing Zhu, Weiwen Deng   +3 more
doaj   +1 more source

General space-time clutter model for multi-channel airborne radar

The Journal of Engineering, 2019
Ground clutter of looking-down airborne radar is spread in Doppler because of the platform motion, and thus the interested moving targets may be masked by the ground clutter.
Li Xinzhe, Xie Wenchong, Wang Yongliang, Ma Jie   +3 more
doaj   +1 more source