Results 91 to 100 of about 124,415 (261)
Remote SensingExisting methods for inverse synthetic aperture radar (ISAR) target recognition typically rely on a single high-resolution radar signal type, such as ISAR images or high-resolution range profiles (HRRPs).
Jie Deng, Fulin Su
doaj +1 more source
SA-ISAR imaging algorithm based on the gradient signal recovery method
The Journal of Engineering, 2019 As the radar system tends to be complex, obtaining well-focused images with discontinued apertures becomes a challenge. Here, a new sparse aperture inverse synthetic aperture radar (SA-ISAR) imaging approach through the signal recovery method is proposed.
Bingren Ji +3 more
doaj +1 more source
Three dimensional scattering center imaging techniques [PDF]
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
Utilizing Near-Field Measurements to Characterize Far-Field Radar Signatures [PDF]
, 2004 The increased need for stealth aircraft requires an on-site Far-Field (FF) Radar Cross-Section (RCS) measurement process. Conducting these measurements in on-site Near-Field (NF) monostatic facilities results in significant savings for manufacturers and ...
Watkins, John R.
core +1 more source
Scattering Center Extraction and Recognition Based on ESPRIT Algorithm [PDF]
, 2022 Inverse Synthetic Aperture Radar (ISAR) generates high quality radar images even in low visibility. And it provides important physical features for space target recognition and location.
Wang, Yaru
core
Advanced studies of electromagnetic scattering [PDF]
In radar signature applications it is often desirable to generate the range profiles and inverse synthetic aperture radar (ISAR) images of a target. They can be used either as identification tools to distinguish and classify the target from a collection ...
Ling, Hao
core +1 more source
A sparsity-driven approach for joint SAR imaging and phase error correction [PDF]
, 2012 Image formation algorithms in a variety of applications have explicit or implicit dependence on a mathematical model of the observation process. Inaccuracies in the observation model may cause various degradations and artifacts in the reconstructed ...
Çetin, Müjdat, Önhon, Özben Naime
core +1 more source
Nearfield RCS Measurements of Full Scale Targets Using ISAR [PDF]
, 2014 Nearfield Radar Cross Section (RCS) measurements and Inverse Synthetic Aperture Radar (ISAR) processing are used in this study to obtain geometrically correct images and farfield RCS.
Larsson, Christer
core
A Novel Wide Area Multiple Azimuth Beam ISAR Imaging System
IEEE Access, 2019 A novel multiple azimuth beams (MAB) inverse synthetic aperture radar (ISAR) system, as well as, the corresponding processing algorithms are proposed in this paper, which is a promising technology for wide area surveillance (WAS).
Taoli Yang +3 more
doaj +1 more source
Autofocus for ISAR Imaging Using Higher Order Statistics [PDF]
Autofocus is imperative for inverse synthetic aperture radar (ISAR) imaging. In this letter, a new approach for ISAR autofocus is developed by using fourth-order statistics properties of the radar’s return signal.
Liu, Y, She, Zhishun
core