Results 31 to 40 of about 5,022,313 (284)

Analysis of a Low-Earth Orbit Satellite Downlink Considering Antenna Radiation Patterns and Space Environment in Interference Situations

open access: yesRemote Sensing, 2023
This paper investigates a low-Earth orbit (LEO) satellite downlink for high-speed data communication in interference situations. A choke ring horn type antenna is used as the data transmitting antenna with an isoflux pattern in the LEO satellite, which ...
Eunjung Kang   +6 more
doaj   +1 more source

24 GHz radar sensors for automotive applications

open access: yesJournal of Telecommunications and Information Technology, 2001
Automotive radar systems using integrated 24 GHz radar sensor techniques are currently under development [1]. This paper describes a radar network consisting of four sensors distributed behind the front bumper of an experimental car.
Michael Klotz, Hermann Rohling
doaj   +1 more source

Curvilinear Flight Synthetic Aperture Radar (CF-SAR): Principles, Methods, Applications, Challenges and Trends

open access: yesRemote Sensing, 2022
The research into curvilinear flight synthetic aperture radar (CF-SAR) is the inevitable result of the comprehensive practicality of SAR. The flight path of the SAR platform in real applications, which is highly nonlinear or curvy due to three ...
Zhanye Chen   +7 more
doaj   +1 more source

A Three-Dimensional Phantom Track Generation for Radar Network Deception (January 2019)

open access: yesIEEE Access, 2019
One important issue when multiple cooperating electronic combat air vehicles (ECAVs) are used to generate phantom radar tracks in a radar network is the position inaccuracy, which is the fundamental reasons for the difference between a phantom track and ...
Xiang Liu, Dongsheng Li
doaj   +1 more source

Acceleration of parasitic multistatic radar system using GPGPU [PDF]

open access: yes, 2011
This dissertation details the implementation of PMR [Parasitic Multistatic Radar] signal processing chain in the GPGPU [General Purpose Graphic Processing Units] platform.
John, Mathew
core   +1 more source

Key Technologies of Hydrometeor Classification and Mosaic Algorithm for X-band Polarimetric Radar

open access: yes应用气象学报, 2021
The advantages of X-band polarimetric weather radar focus on its high spatio-temporal resolution and capability of multi-radar networking. However, the previously designed hydrometeor classification algorithm (HCA) for S-band weather radar is unsuitable ...
Wu Chong   +4 more
doaj   +1 more source

Survey of Resource Scheduling Technologies for Ground-Based Space Target Surveillance Radar Networks Focused on Cataloging Tasks

open access: yesSensors
Cataloging task resource scheduling is a key technology for the efficient utilization of ground-based radar networks and for supporting space situational awareness.
Yali Liu, Wei Xiong, Xiaolan Yu
doaj   +1 more source

Mission Planning and Trajectory Optimization in UAV Swarm for Track Deception against Radar Network

open access: yesRemote Sensing
In this article, a mission planning and trajectory optimization scheme in unmanned aerial vehicle (UAV) swarm for track deception against radar networks is proposed.
Yihan Li   +3 more
doaj   +1 more source

Adaptive intra‐pulse interference waveform generation technique based on Convolutional Neural Network—Deep Neural Network with global priority information of radar signal

open access: yesIET Radar, Sonar & Navigation, 2023
To adapt to the complex and changeable electromagnetic environment of radar detection, improve the jamming effect on frequency‐agile radar and low probability of intercept radar, and solve the problem of poor jamming effect caused by intra‐pulse jamming ...
Yilin Jiang   +3 more
doaj   +1 more source

Radar networks: A review of features and challenges [PDF]

open access: yesInformation Fusion, 2020
To appear soon in Information ...
S. Hamed Javadi, Alfonso Farina
openaire   +2 more sources

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