Results 101 to 110 of about 9,565 (256)

An ISAR target motion estimation algorithm based on a differential semblance criterion

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This study presents a novel approach for improving rotational motion estimation in multistatic Inverse Synthetic Aperture Radar (ISAR) imaging through a Differential Semblance Optimization (DSO) criterion. By reducing discrepancies across images from multiple transmitter–receiver pairs, our method enables precise yaw rotation estimation and produces ...
D. P. Huxley, F. M. Watson, W. R. B. Lionheart   +2 more
wiley   +1 more source

First Measurements with NeXtRAD, a Polarimetric X/L Band Radar Network [PDF]

, 2017
NeXtRAD is a fully polarimetric, X/L Band radar network. It is a development of the older NetRAD system and builds on the experience gained with extensive deployments of NetRAD for sea clutter and target measurements.
Alhuwaimel, S., Cheng, P., Coetzee, S., Du Plessis, D., Fioranelli, F., Griffiths, H., Inggs, M.R., Jordan, D., Miceli, W., O'Hagan, D., Paine, S., Palama', R., Ritchie, M., Sandenbergh, J.S., Stevens, A.   +14 more
core   +2 more sources

Advances in Multistatic Sonar [PDF]

, 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   +3 more sources

Multistatic Synthetic Aperture Radar Autofocus for Back Projection Imaging of a Moving Target

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This paper presents a new metric‐based autofocus approach, called Localised Threshold Sharpness (LTS), which employs Multistatic SAR data to localise and focus a target moving with up to six degrees of freedom motion on a real‐time, pulse‐by‐pulse basis.
Anmol Rattan, Daniel Andre, Mark Finnis
wiley   +1 more source

Sparse Array Configuration Optimization Based on Target Priors in Distributed ISAR Imaging

Electronics Letters, Volume 61, Issue 1, January/December 2025.
In this letter, we consider the sparse array configuration optimization problem for distributed inverse synthetic aperture radar (ISAR) imaging of long‐range targets, aiming to suppress the strong grating lobes caused by sparse sampling. Particularly, we propose a distributed ISAR configuration optimization method, which constructs an equivalent ...
Siyu Zhao, Guangbin Zhang, Yan Wang
wiley   +1 more source

Research on methods to enhance the survivability of AWACS with FDA against anti‐ARMs on a battlefield

IET Microwaves, Antennas &Propagation, Volume 19, Issue 1, January/December 2025.
The article improves the battlefield survival capability of early warning aircraft by using direction finding deception technology on reconnaissance systems using frequency controlled array early warning aircraft. Abstract The Airborne Warning and Control System (AWACS) are pivotal assets in aerial operations, necessitating specialised protection ...
Bo Wang, Gang Wang, Rengnong Yang, Yonglin Li, Yu Zhao   +4 more
wiley   +1 more source

Bistatic systems

Archives of Acoustics, 2014
This paper describes key features of a bistatic operation in the hydroacoustic systems, his performance model and constraints imposed by environment and propagation conditions in shallow water.
Andrzej Elminowicz, L. Zajączkowski
doaj  

Effective deployment strategies for optimizing area coverage in multistatic sonar detection based on Cassini oval approximation and a virtual force algorithm

Ain Shams Engineering Journal
Multistatic sonar is regarded as a highly promising method for detecting quiet submarines over long distances. This technique exhibits high positioning accuracy, flexible configurations, easy concealment, and robust resistance to interference.
Liufang Fu, Ming Zhou, Linzhou Xu, Xiaoming Dong, Zhu Kou, Chunyu Kang   +5 more
doaj   +1 more source

Multistatic Radar: System Requirements and Experimental Validation [PDF]

, 2015
Multistatic radar provides many advantages over conventional monostatic radar, such as enhanced information on target signatures and improvements in detection which are due to the multiple perspectives and differences in the properties of clutter ...
Fioranelli, F, Griffiths, H, Inggs, M, Ritchie, M, Woodbridge, K   +4 more
core  

Modelling real‐world effects in near‐field SAR collections for compressive sensing

IET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.
This paper develops previously published work on using compressive sensing techniques to suppress sidelobes in SAR images to develop a higher‐fidelity measurement model. Using Cranfield University's GBSAR System a series, experimental measurements are conducted, and image estimation techniques are applied to this real data.
George A. J. Price, Daniel Andre, Chris Moate, Peter Yuen, Mark Finnis   +4 more
wiley   +1 more source