Results 81 to 90 of about 7,032 (255)

Target detection, ISAR imaging and tracking capabilities of a passive radar net utilising barrage jamming signals

open access: yesIET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2144-2154, November 2024.
This paper demonstrates the possibility of utilising a ground‐based barrage jammer as an illumination source for passive radar detection, tracking and ISAR imaging. This article will present some of the outcomes of field trials conducted within the international electronic warfare exercises.
Roman Mularzuk   +12 more
wiley   +1 more source

River Run Off Measurement With SAR Along Track Interferometry [PDF]

open access: yes, 2004
The paper summarizes the need for global space borne river run-off measurements. It reports about an airborne SAR experiment aimed to measure the surface velocity of the river Isar in Bavaria / Germany.
Eineder, Michael   +4 more
core  

Region-enhanced passive radar imaging [PDF]

open access: yes, 2005
The authors adapt and apply a recently-developed region-enhanced synthetic aperture radar (SAR) image reconstruction technique to the problem of passive radar imaging.
Cetin, Mujdat   +2 more
core   +1 more source

Broadband multi‐carrier linear frequency modulation signal reception with subcarrier frequency offset deramp processing

open access: yesIET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2325-2332, November 2024.
The authors propose a multi‐carrier LFM signal reception method based on subcarrier frequency offset deramp processing. By properly introducing a carrier frequency interval difference between the transmit and reference signals, multi‐carrier LFM signal deramp processing is implemented through frequency mixing, which allows crosstalk‐free separation of ...
Jinhu Li   +4 more
wiley   +1 more source

2-D Coherence Factor for Sidelobe and Ghost Suppressions in Radar Imaging [PDF]

open access: yes, 1956
The coherence factor (CF) is defined as the ratio of coherent power to incoherent power received by the radar aperture. The incoherent power is computed by the multi-antenna receiver based on only the spatial variable.
Li, Shiyong   +4 more
core   +3 more sources

Guest Editorial: Selected Papers From Radar 2023—Dreaming the Radar Future

open access: yes
IET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.
Brian W.‐H. Ng   +3 more
wiley   +1 more source

Three dimensional scattering center imaging techniques [PDF]

open access: yes
Two methods to image scattering centers in 3-D are presented. The first method uses 2-D images generated from Inverse Synthetic Aperture Radar (ISAR) measurements taken by two vertically offset antennas.
Burnside, W. D., Younger, P. R.
core   +1 more source

Target Oriented High Resolution SAR Image Formation via Semantic Information Guided Regularizations

open access: yes, 2017
Sparsity-regularized synthetic aperture radar (SAR) imaging framework has shown its remarkable performance to generate a feature enhanced high resolution image, in which a sparsity-inducing regularizer is involved by exploiting the sparsity priors of ...
Hou, Biao   +3 more
core   +1 more source

An improved inverse synthetic aperture radar range alignment method based on maximum contrast

open access: yesJurnal Engineering, 2019
Inverse synthetic aperture radar (ISAR) is an important tool for non-cooperative ship imaging, and one key step of ISAR imaging is range alignment. To achieve the range alignment with high precision, efficiency and robustness, an improved ISAR range ...
Yong Li   +4 more
semanticscholar   +1 more source

Measurements and analysis of the radar cross section of chaff dipoles

open access: yesIET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2182-2188, November 2024.
Photo of a filament under test in a stereo‐foam support. Abstract A free space test method to measure the Radar Cross Section (RCS) of single dipole elements is presented. The method is such that dipoles can be measured over a large range of frequencies, in free space and without the need of an anechoic chamber.
Alessio Balleri, Brian Butters
wiley   +1 more source

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