Results 21 to 30 of about 4,519,944 (188)
OFDM-ISAR Sparse Optimization Imaging and Motion Compensation
Leida xuebao, 2016 Orthogonal Frequency Division Multiplexing (OFDM) technology has been utilized in radar imaging to obtain high-resolution range profiles without inter-range cell interference.
Wu Min +3 more
doaj +1 more source
BSBL-based multiband fusion ISAR imaging
The Journal of Engineering, 2019 Multiband fusion imaging can effectively improve the range resolution of inverse synthetic aperture radar (ISAR) imaging. In this study, the block sparse Bayesian learning (BSBL) method is applied to multiband fusion imaging to achieve high-resolution ...
Di Xiong +3 more
doaj +1 more source
Optics Express, 2010 A coherent transceiver using a THz quantum cascade (TQCL) laser as the transmitter and an optically pumped molecular laser as the local oscillator has been used, with a pair of Schottky diode mixers in the receiver and reference channels, to acquire high-resolution images of fully illuminated targets, including scale models and concealed objects. Phase
Andriy A, Danylov +11 more
openaire +2 more sources
Inverse Synthetic Aperture Radar Imaging: A Historical Perspective and State-of-the-Art Survey
IEEE Access, 2021 Radar can obtain high spatial resolution at large operating distances, and its operation is largely independent from weather and lighting conditions. This makes it an important instrument in an ever-increasing number of applications requiring robust and ...
Risto Vehmas, Nadav Neuberger
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 The airborne hybrid synthetic aperture radar (SAR) and inverse synthetic aperture radar (ISAR) imaging for the ship target is very important in the field of ocean surveillance, but it suffers from the problem of high computational complexity.
Rui Cao +3 more
doaj +1 more source
Image Registration Based on Wave Path Difference Compensation for InISAR
Leida xuebao, 2018 In Interferometric Inverse Synthetic Aperture Radar (InISAR) three-Dimensional (3D) imaging, Inverse Synthetic Aperture Radar (ISAR) image registration is a key process.
Zhou Zibo, Jiang Libing, Wang Zhuang
doaj +1 more source
IEEE Access, 2022 Accurate translational motion compensation (TMC) is the key procedure of inverse synthetic aperture radar (ISAR) imaging. Under the condition of sparse aperture, the correlation of adjacent pulses is severely destroyed, which brings a few challenges to ...
Xu Wei +4 more
doaj +1 more source
Synthesis of Inverse Synthetic Aperture Radar (ISAR) Using Matlab
, 2021 High-resolution radar images can be achieved by employing synthetic aperture radar (SAR) or inverse synthetic aperture radar (ISAR) techniques. It can be shown that SAR and ISAR have the same underlying theory but different configuration.
Pillalamarri Laxman +1 more
core +1 more source
Parametric Sparse Representation and Its Applications to Radar Sensing
Leida xuebao, 2016 Sparse signal processing has been utilized to the area of radar sensing. Due to the presence of unknown factors such as the motion of the targets of interest and the error of the radar trajectory, a predesigned dictionary cannot provide the optimally ...
Li Gang, Xia Xiang-Gen
doaj +1 more source
Wide-Angle, Ultra-Wideband ISAR Imaging of Vehicles and Drones
Sensors, 2018 In-situ, wide-angle, and ultra-wideband inverse synthetic aperture radar (ISAR) imaging of vehicles and drones is demonstrated using a portable ultra-wideband radar.
Chenchen J. Li, Hao Ling
doaj +1 more source