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61
Automated Internal Defect Identification and Localization Based on a Near-Field SAR Millimeter-Wave Imaging System
Published 2025-01-01Subjects: Get full text
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62
Flood hazard simulation and mapping using digital elevation models with different resolutions
Published 2022-07-01“…The models’ validity and accuracy were tested using the confusion error matrix, f-measurement, and the root means square error statistics.FINDINGS: Results show that using the light detection and ranging dataset, the model is accurate at 88%, 0.61, and 0.41; while using the interferometric synthetic aperture radar dataset, the model is accurate at 76%, 0.34, 0.53; for the error matrix, f-measurement, and root mean square error; respectively.CONCLUSION: The model developed using the light detection and ranging dataset showed higher accuracy than the model developed using the interferometric synthetic aperture radar. …”
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63
Multiview ISAR Imaging for Complex Targets Based on Improved SBR Scattering Model
Published 2021-01-01“…A novel multiview inverse synthetic aperture radar (ISAR) imaging method is proposed to simulate high-resolution and identifiable ISAR image of complex targets by handling large-angle and wide-bandwidth scattering data. …”
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64
Production-Induced Subsidence at the Los Humeros Geothermal Field Inferred from PS-InSAR
Published 2019-01-01“…In this study, we use Differential Interferometric Synthetic Aperture Radar (DInSAR) observations to measure ground deformation due to fluid extraction at the Los Humeros Geothermal Field (Puebla, Mexico). …”
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65
Experimental Study on Deformation Monitoring of Large Landslide in Reservoir Area of Hydropower Station Based on GB-InSAR
Published 2021-01-01“…In this study, a new ground-based interferometric synthetic aperture radar system LKR-05-KU-S100 was used to carry out field monitoring tests on Lagu landslide and Xiaozhaju landslide of Dahuaqiao hydropower station and No. 1 landslide on the left bank of Xiaowan hydropower station on the Lancang river. …”
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66
C-SAR/02 Satellite Polarimetric Calibration and Validation Based on Active Radar Calibrators
Published 2025-01-01“…Quad-polarization synthetic aperture radar (SAR) satellites are important detection tools in Earth observation and remote sensing; in particular, they are of great significance for accurately interpreting radar data and inverting geophysical parameters. …”
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67
A Comparative Analysis Between the ENVISAT and ICEYE SAR Systems for the Estimation of Sea Surface Current Velocity
Published 2025-01-01“…In this work, we present the results of a comparative analysis between the first-generation Advanced Synthetic Aperture Radar (ASAR) sensor mounted on board the ENVISAT platform and the novel ICEYE micro-satellite synthetic aperture radar (SAR) sensor in measuring the radial velocity of ocean currents through the Doppler Centroid Anomaly (DCA) technique. …”
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68
Assessment of the Ground Vulnerability in the Preveza Region (Greece) Using the European Ground Motion Service and Geospatial Data Concerning Critical Infrastructures
Published 2025-01-01“…The EGMS, a new service of the Copernicus Land Monitoring Service, employs information from the C-band Synthetic Aperture Radar (SAR)-equipped Sentinel-1A and Sentinel-1B satellites. …”
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69
AIR-POLSAR-CR1.0: A Benchmark Dataset for Cloud Removal in High-Resolution Optical Remote Sensing Images with Fully Polarized SAR
Published 2025-01-01“…Due to the all-time and all-weather characteristics of synthetic aperture radar (SAR) data, they have become an important input for optical image restoration, and various cloud removal datasets based on SAR-optical have been proposed. …”
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70
Effect of digital elevation model’s resolution in producing flood hazard maps
Published 2019-01-01“…The two-dimensional models were processed using three different digital elevation models, captured through light detection and ranging, interferometric synthetic aperture radar, and synthetic aperture radar technologies, to simulate and compare the flood inundation of 5-, 25- 100-year return periods. …”
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71
Accurate Antenna Pattern Modeling for Phased Array Antennas in SAR Applications—Demonstration on TerraSAR-X
Published 2009-01-01“…The high flexibility and tight accuracy requirements of today's spaceborne synthetic aperture radar (SAR) systems require innovative technologies to calibrate and process the SAR images. …”
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72
Recognition of Red-Bed Landslides over Eastern Sichuan through Remote Sensing and Field Investigations
Published 2022-01-01“…In this study, Multi-Temporal Synthetic Aperture Radar interferometry (MTInSAR) techniques and detailed field investigations were carried out to detect the potential red-bed landslides. …”
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73
Support Detection for SAR Tomographic Reconstructions from Compressive Measurements
Published 2015-01-01“…The problem of detecting and locating multiple scatterers in multibaseline Synthetic Aperture Radar (SAR) tomography, starting from compressive measurements and applying support detection techniques, is addressed. …”
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74
Precision Imaging of Frequency Stepped SAR with Frequency Domain Extracted HRRP and Fast Factorized Back Projection Algorithm
Published 2017-01-01“…Novel frequency domain extracted method (FDEM) to obtain high range resolution profile (HRRP) for frequency stepped synthetic aperture radar (SAR) is proposed in this paper, and the mathematical principle and formulas of this new HRRP obtaining idea combined with classical fast Fourier transform (FFT), chirp z transform (CZT), and single point Fourier transform (SPFT) are deduced, analyzed, and compared in detail. …”
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75
Exploration of slope-type geological hazard susceptibility evaluation based on dynamic correction of SBAS-InSAR technology: A case study of Kang County in Gansu Province
Published 2025-03-01“…Interferometric synthetic aperture radar (InSAR) technology can effectively capture surface deformation features. …”
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76
Analysis Of Backscatter To Extraction Of Shoreline Using Machine Learning Methods In The Bangkalan Regency
Published 2025-01-01“…Shoreline changes can be monitored with remote sensing techniques such as Synthetic Aperture Radar (SAR) data. The purpose of this research is to extract the coastline by segmenting the machine learning method and find out how far the machine learning model works to distinguish the water class and the land class. …”
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77
Ship Detection in High-Resolution Dual-Polarization SAR Amplitude Images
Published 2013-01-01“…A constant false alarm rate (CFAR) detecting method for ships in high-resolution dual-polarization synthetic aperture radar (SAR) amplitude images has been proposed in this paper. …”
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78
Characterizing the Statistical Properties of SAR Clutter by Using an Empirical Distribution
Published 2013-01-01“…The performances on the applications of synthetic aperture radar (SAR) data strongly depend on the statistical characteristics of the pixel amplitudes or intensities. …”
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79
Apports de l’imagerie satellite pour le suivi de l’impact des événements cycloniques à Madagascar
Published 2020-04-01“…The synergetic use of optical and SAR (Synthetic Aperture Radar) sensors, with high temporal and spatial resolution allowed to : (i) carry out a near-real time monitoring of floods caused by Haruna during the crisis and a characterization of water level subsidence in post-crisis (combining SPOT 5, RADARSAT-2 and Pléiades images), (ii) a mapping of floods related to Enawo in urban areas and in rice fields in the regions of Sambava and Maroantsetra (combining Sentinel-1, Sentinel-2, and participatory mapping).…”
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80
Time-Frequency Feature Extraction of HRRP Using AGR and NMF for SAR ATR
Published 2015-01-01“…A new approach to classify synthetic aperture radar (SAR) targets based on high range resolution profiles (HRRPs) is presented. …”
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