Results 21 to 30 of about 640 (180)

Bi/multi-static Synthetic Aperture Radar Using Spaceborne Illuminator

open access: yesLeida xuebao, 2023
Bi/multistatic Synthetic Aperture Radar (SAR) using spaceborne illuminator utilizes spaceborne platforms as transmitters and satellites, near-space vehicles, aircraft, and ground platforms as receivers, which allows high-resolution imaging of ground and ...
Junjie WU   +8 more
doaj   +1 more source

Jamming Effects on Hybrid Multistatic Radar Network Range and Velocity Estimation Errors

open access: yesIEEE Access, 2022
This research studies the effects of three noise jamming techniques on the performance of a hybrid multistatic radar network in a selection of different electronic warfare (EW) situations.
Dilan Dhulashia   +2 more
doaj   +1 more source

Robust Model-Dependent Poisson Multi Bernoulli Mixture Trackers for Multistatic Sonar Networks

open access: yesIEEE Access, 2021
This work proposes a robust tracker based on the Poisson Multi Bernoulli Mixture (PMBM) filter for multistatic sonar networks (MSNs) systems. The PMBM based trackers estimate the number of targets and provide the target information via Bernoulli and ...
Erhan Ozer, Ali Koksal Hocaoglu
doaj   +1 more source

Directional sensitivity of track initialisation of a multistatic Doppler‐only passive radar network

open access: yesIET Radar, Sonar & Navigation, 2021
A multistatic passive radar network originally presented in Ptak et al. for long‐distance aircraft tracking is sensitive to track initialisation errors. When these errors exceed 50 km, target tracking often diverges.
Miika Tolonen   +4 more
doaj   +1 more source

Review of millimeter‐wave and terahertz near‐field synthetic aperture radar imaging technology

open access: yesInfoScience, Volume 3, Issue 2, June 2026.
Abstract This paper comprehensively reviews the development of millimeter‐wave (MMW) and terahertz (THz) near‐field imaging technologies, with an emphasis on the state of synthetic aperture radar (SAR)‐based imaging technologies. Near‐field imaging technologies are categorized into passive and active imaging modes, among which active imaging is favored
Qi Yang   +3 more
wiley   +1 more source

Combined intensity and coherent change detection with four classes for laboratory multistatic polarimetric synthetic aperture radar

open access: yesIET Radar, Sonar & Navigation
Satellites and drone swarms can be used to collect multistatic Synthetic Aperture Radar (SAR) images. Synthetic Aperture Radar images can be used for Intelligence Surveillance and Reconnaissance.
Alexander Hagelberg   +2 more
doaj   +1 more source

Accurate Phase Calibration of Multistatic Imaging System for Medical and Industrial Applications

open access: yesApplied Sciences
Multistatic imaging systems are commonly used in radar systems and microwave imaging. In these systems, many antennas are arranged three-dimensionally and connected to RF switches.
Hiroshi Tabata   +2 more
doaj   +1 more source

Simulation framework for activity recognition and benchmarking in different radar geometries

open access: yesIET Radar, Sonar & Navigation, 2021
Radar micro‐Doppler signatures have been proposed for human monitoring and activity classification for surveillance and outdoor security, as well as for ambient assisted living in healthcare‐related applications.
Boyu Zhou   +6 more
doaj   +1 more source

Advances in Multistatic Sonar [PDF]

open access: yes, 2011
Although the concept of multistatic active sonar (MAS) has been around for over 50 years, new trends have brought this technology to the forefront of anti-submarine warfare research. These trends include advancements in sonar sensors and signal processing, advancements in submarine stealth, and a desire to track targets in noisy and reverberant ...
ORLANDO D, EHLERS F
openaire   +2 more sources

Observation and Coordination Needs for Current, Near‐Future, and Next Generation Earth‐Observing SAR Systems

open access: yesEarth and Space Science, Volume 13, Issue 5, May 2026.
Abstract This paper summarizes an evaluation by experts of how coordination of Earth‐observing Synthetic Aperture Radar (SAR) missions among the world's space agencies could advance toward game‐changing scientific discoveries and fully realizing SAR's practical capability to address many issues facing society.
Cathleen E. Jones   +21 more
wiley   +1 more source

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