Results 21 to 30 of about 381 (138)

A Study of Selected Constant False Alarm Rate (CFAR) Detectors for Vessels with Compact and Dual Polarimetric Synthetic Aperture Radar (SAR)

Canadian Journal of Remote Sensing
Space-based polarimetric synthetic aperture radar (SAR) plays an important role in wide-area maritime surveillance and vessel detection. Traditionally, dual polarimetric (DP) SAR has been preferred for such applications, but compact polarimetric CP SAR is a newer option that potentially offers improved backscatter characterization of targets. There are
Rashid, Mamoon, Gierull, Christoph, Rajan, Sreeraman   +2 more
openaire   +1 more source

Wilcoxon Nonparametric CFAR Scheme for Ship Detection in SAR Image

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The parametric constant false alarm rate (CFAR) detection algorithms, which are based on various statistical distributions, such as Gaussian, Gamma, Weibull, log-normal, $G^{0}$, and alpha-stable distribution, are most widely used to detect the ship ...
Xiangwei Meng
doaj   +1 more source

From Detection to Countermeasure: A Review of Key Technologies in Counter‐Unmanned Aerial Vehicle Systems

IET Cyber-Systems and Robotics, Volume 8, Issue 1, January/December 2026.
ABSTRACT With the rapid proliferation of unmanned aerial vehicles (UAVs) in the military, logistics and public safety sectors, the threat of illegal intrusion, information theft, and security breaches has increased. This paper provides a comprehensive review of recent developments in counter‐unmanned aerial vehicle (counter‐UAV) systems, focussing on ...
Lei Xing, Can Cui, Miao Wang, Chao Xu
wiley   +1 more source

Ship Detection in High-Resolution Dual-Polarization SAR Amplitude Images

International Journal of Antennas and Propagation, 2013
A constant false alarm rate (CFAR) detecting method for ships in high-resolution dual-polarization synthetic aperture radar (SAR) amplitude images has been proposed in this paper.
Gui Gao, Gongtao Shi, Shilin Zhou
doaj   +1 more source

Robust Beamforming for ISAC Systems via Probability of Detection Optimisation

Electronics Letters, Volume 62, Issue 1, January/December 2026.
We propose a two‐step robust beamforming design for ISAC that maximises multi‐target detection probability while satisfying multi‐user SINR and per‐antenna power constraints. A sensing‐only Riemannian optimisation on the oblique manifold shapes the transmit covariance, followed by SDR‐based reconstruction to enforce communication guarantees ...
Yong Wang, Xianren Kong
wiley   +1 more source

Adaptive Multi‐Feature Validation Algorithm for Hovering UAV Detection via LFMCW Radar: Leveraging Micro‐Doppler Spectral Characteristics

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
The document proposes the micro‐Doppler spectral feature‐guided LFMCW radar detection algorithm (MDSF‐LRDA) to solve the high false alarm problem of detecting hovering rotor UAVs in cluttered environments, a limitation that plagues traditional radar methods relying on significant Doppler shifts.
Tao Chen, Jianbo Zhao, Lutao Liu
wiley   +1 more source

A CFAR Algorithm Based on Monte Carlo Method for Millimeter-Wave Radar Road Traffic Target Detection

Remote Sensing, 2022
The development of Intelligent Transportation Systems (ITS) puts forward higher requirements for millimeter-wave radar surveillance in the traffic environment, such as lower time delay, higher sensitivity, and better multi-target detection capability ...
Bo Yang, Hua Zhang
doaj   +1 more source

Online Moving Interference Target Perception and Suppression for Passive Radar Detection of UAVs

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
An adaptive online prediction and suppression method for ground moving target interference based on an autoregressive model is proposed. The method performs regional partitioning and removal of ground interference targets by estimating and utilising the occurrence frequency of moving target interference.
Tianrun Wang, Shengheng Liu, Yuan Feng, Yingshi Liu, Chenyu Wen, Zhi Wang, Zhenghang Wang, Tao Shan   +7 more
wiley   +1 more source

Improved Adaptive Constant False Alarm Rate Detector Based on Fuzzy Theory for Multiple-Target Scenario

Applied Sciences
An improved adaptive constant false alarm rate (CFAR) detector based on fuzzy theory is proposed to address the issue of poor detection performance and robustness of the variability index (VI) class CFAR detectors due to the misjudgment of the background
Xudong Yang, Chunbo Xiu
doaj   +1 more source

Graph‐Based Spectrum Sensing via Quadratic Form of Adjacency Matrix

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This graphical abstract presents a graph‐signal‐processing‐based spectrum sensing algorithm for robust primary user detection at low signal‐to‐noise ratios (SNR). The observed signal is preprocessed via power spectrum calculation and block summation, and then transformed into a graph.
Yan Gao, Guobing Hu, Yunfei Chen
wiley   +1 more source