Results 1 to 10 of about 78 (68)
A Sub-Aperture Overlapping Imaging Method for Circular Synthetic Aperture Radar Carried by a Small Rotor Unmanned Aerial Vehicle. [PDF]
Sensors (Basel), 2023 Circular synthetic aperture radar (CSAR) can obtain higher image resolution and more target information using 360° observation of the target. Due to the anisotropy of target scattering characteristics in the actual scene, the sub-aperture imaging method ...
Chu L, Ma Y, Li B, Hou X, Shi Y, Li W.
europepmc +4 more sources
A Novel Detection Scheme in Image Domain for Multichannel Circular SAR Ground-Moving-Target Indication. [PDF]
Sensors (Basel), 2022 Circular synthetic aperture radar (CSAR), which can observe the region of interest for a long time and from multiple angles, offers the opportunity for moving-target detection (MTD).
Dong Q +5 more
europepmc +2 more sources
Radar-Based Microwave Breast Imaging Using Neurocomputational Models. [PDF]
Diagnostics (Basel), 2023 In this study, neurocomputational models are proposed for the acquisition of radar-based microwave images of breast tumors using deep neural networks (DNNs) and convolutional neural networks (CNNs).
Bicer MB.
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A GAN-based fast focusing method for circular SAR images. [PDF]
HeliyonCircular Synthetic Aperture Radar(CSAR) imaging is vulnerable to perturbations in the atmosphere and various other elements that can lead to position offset errors in the antenna's phase center as well as induce motion errors.
Li B, Ma Y, Chu L, Li W, Shi Y.
europepmc +2 more sources
Moving Target Indication for Dual-Channel Circular SAR/GMTI Systems. [PDF]
Sensors (Basel), 2019 In a dual-channel circular synthetic aperture radar (CSAR) and ground moving target indication (GMTI) system, the antenna baseline is not parallel with the flight path due to a yaw angle.
Wang L, Li Y, Wang W, An D.
europepmc +2 more sources
Aspect Entropy Extraction Using Circular SAR Data and Scattering Anisotropy Analysis. [PDF]
Sensors (Basel), 2019 In conventional synthetic aperture radar (SAR) working modes, targets are assumed isotropic because the viewing angle is small. However, most man-made targets are anisotropic.
Teng F, Hong W, Lin Y.
europepmc +2 more sources
Remote SensingCircular synthetic aperture radar (CSAR) possesses the capability of multi-angle observation, breaking through the geometric observation constraints of traditional strip SAR and holding the potential for three-dimensional imaging.
Zhenhua Li +7 more
doaj +3 more sources
Remote SensingMulti-baseline circular synthetic aperture radar (MB CSAR) can be applied to obtain a three-dimensional (3D) image of the observation scene. However, the phase error caused by radar platform motion or atmospheric propagation delay restricts its 3D ...
Shiliang Yi +7 more
doaj +3 more sources
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingCircular synthetic aperture radar (CSAR) has advantages of the omnidirectional detection and high-resolution imaging. However, when CSAR detects the dense target in the observation scene, the phenomena such as the layover effect in the CSAR image may ...
Haozong Liu +4 more
doaj +3 more sources
Research on 4-D Imaging of Holographic SAR Differential Tomography
Remote Sensing, 2023 Holographic synthetic aperture radar tomography (HoloSAR) combines circular synthetic aperture radar (CSAR) and SAR tomography (TomoSAR) to enable a 360° azimuth observation of the considered scene.
Shuang Jin +5 more
doaj +1 more source