All-around beam switched antenna with dual polarization for drone communications

KS Kim, JS Yoo, JW Kim, S Kim… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This communication presents a drone-to-drone adaptive beam switched antenna with 360°
beam coverage and dual polarizations. The proposed antenna maintains the all-around …

Reconfigurable antenna for UAV-assisted wide coverage air-to-ground communications

H Lee, YB Kim, HL Lee - IEEE Access, 2022 - ieeexplore.ieee.org
A wide-coverage unmanned aerial vehicle (UAV) antenna system for air-to-ground
communications is proposed in this paper. The proposed antenna system has …

Dynamic based trajectory estimation and tracking in an uncertain environment

M Kim, SA Memon, M Shin, H Son - Expert Systems with Applications, 2021 - Elsevier
This paper develops smoothing data association based on integrated probabilistic data
association (FLIPDA-S) tracker to identify a multicopter UAV (MUAV) and estimate its …

Self-Supervised Representation Learning for Quasi-Simultaneous Arrival Signal Identification Based on Reconnaissance Drones

L Guo, M Du, J Xiong, Z Wu, J Pan - Drones, 2023 - mdpi.com
Reconnaissance unmanned aerial vehicles are specifically designed to estimate
parameters and process intercepted signals for the purpose of identifying and locating …

Battery-SOC Estimation for Hybrid-Power UAVs Using Fast-OCV Curve with Unscented Kalman Filters

Z He, D Martín Gómez, A de la Escalera Hueso… - Sensors, 2023 - mdpi.com
Unmanned aerial vehicles (UAVs) have drawin increasing attention in recent years, and
they are widely applied. Nevertheless, they are generally limited by poor flight endurance …

Tilted-beam switched array antenna for UAV mounted radar applications with 360° coverage

CU Lee, G Noh, BK Ahn, JW Yu, HL Lee - Electronics, 2019 - mdpi.com
A highly efficient antenna array for unmanned aerial vehicle (UAV) mounted radar
applications with a tilted-beam characteristic and a 360° beam coverage is proposed in this …

Compact switched-beam array antenna with a Butler matrix and a folded ground structure

YJ Kim, YB Kim, HJ Dong, YS Cho, HL Lee - Electronics, 2019 - mdpi.com
A compact switched-beam array antenna, based on a switched Butler matrix with four folded
ground antennas, is presented for unmanned aerial vehicle (UAV) applications. The folded …

Multi-UAV mission allocation under constraint

S Xie, A Zhang, W Bi, Y Tang - Applied Sciences, 2019 - mdpi.com
Featured Application The improved model can effectively adapt to the problem of UAV
swarm reconnaissance task allocation. On the basis of ensuring the optimization of …

A transfer learning model for cognitive electronic reconnaissance of unmanned aerial vehicle: Experiments

Y Zhang, S You, Y Yan, Q Ou, X Gao, F Jiang - Engineering Applications of …, 2024 - Elsevier
Abstract Applying Deep Reinforcement Learning (DRL) technologies to Unmanned Aerial
Vehicle (UAV) electronic reconnaissance is one of the current research hotspots. However …

Convolutional neural network with a learnable spatial activation function for SAR image despeckling and forest image analysis

H Wang, Z Ding, X Li, S Shen, X Ye, D Zhang, S Tao - Remote Sensing, 2021 - mdpi.com
Synthetic aperture radar (SAR) images are often disturbed by speckle noise, making SAR
image interpretation tasks more difficult. Therefore, speckle suppression becomes a pre …