Results 111 to 120 of about 124,434 (276)
SAR-ISAR Blending Using Compressed Sensing Methods [PDF]
, 2015 Inverse Synthetic Aperture Radar (ISAR) target images are extracted using compressed sensing methods. The extracted images are edited and merged into measured Synthetic Aperture Radar (SAR) images.
Jersblad, Johan, Larsson, Christer
core
Compressive sensing for interferometric inverse synthetic aperture radar applications [PDF]
, 2016 The applicability of interferometric inverse synthetic aperture radar (InISAR) techniques to images reconstructed via compressive sensing (CS)-based algorithms is investigated.
BACCI, ALESSIO +5 more
core +1 more source
Demonstration of 3D ISAR Security Imaging at 24GHz with a Sparse MIMO Array [PDF]
, 2019 A 3D ISAR security imaging experiment at 24GHz is demonstrated with a sparse MIMO array. The MIMO array is an 8Tx/16Rx linear array to achieve real-aperture imaging along the vertical dimension. It is time-switching multiplexed with a low-cost FMCW transceiver working at 22GHz-26GHz.
arxiv +1 more source
Optics Express, 2017 A photonics-based radar with generation and de-chirp processing of broadband linear frequency modulated continuous-wave (LFMCW) signal in optical domain is proposed for high-resolution and real-time inverse synthetic aperture radar (ISAR) imaging. In the
Fangzheng Zhang +6 more
semanticscholar +1 more source
IET Radar, Sonar &Navigation, Volume 18, Issue 4, Page 620-634, April 2024.Space Situational Awareness, which involves acquiring and maintaining data about Resident Space Objects in orbit around Earth, has become a crucial aspect of space operations. This paper illustrates an interferometric inverse synthetic aperture radar based on three‐dimensional imaging and rotational velocity estimation.
Manjunath Thindlu Rudrappa +2 more
wiley +1 more source
Fast and Accurate ISAR Focusing Based on a Doppler Parameter Estimation Algorithm [PDF]
, 2017 This letter deals with inverse synthetic aperture radar (ISAR) autofocusing of noncooperative moving targets. The relative motion between the target and the sensor, which provides the angular diversity necessary for ISAR imagery, is also responsible for ...
BRACA, PAOLO +3 more
core +1 more source
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