Overview of Techniques for Improving High-resolution Spaceborne SAR Imaging and Image Quality
Leida xuebao, 2019 As an important tool for acquiring remote sensing information, Synthetic Aperture Radar (SAR) has various modes, including high-resolution wide-swath, multi-angle information acquisition, high temporal observation, and three-dimensional topographic ...
LI Chunsheng, YU Ze, CHEN Jie
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Forward-looking Multi-channel Synthetic Aperture Radar Imaging and Array Attitude Error Compensation
Leida xuebao, 2023 To solve the problem of left-right Doppler ambiguity in forward-looking Synthetic Aperture Radar (SAR) imaging, Forward-Looking Multi-Channel SAR (FLMC-SAR) can achieve Doppler ambiguity resolving imaging through beamforming.
Xinshuo WANG +3 more
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Coherent Azimuth Ambiguity Removal from Along-Track Interferometric Synthetic Aperture Radar Data for the Harmony Mission [PDF]
, 2022 Coherent azimuth ambiguities in interferometric synthetic aperture radar (InSAR) can be a major systematic error source if accompanied by a low suppression capability.
Richter, Dominik
core
Tomographic Performance of Multi-Static Radar Formations: Theory and Simulations
Remote Sensing, 2021 3D imaging of Earth’s surface layers (such as canopy, sub-surface, or ice) requires not just the penetration of radar signal into the medium, but also the ability to discriminate multiple scatterers within a slant-range and azimuth resolution cell.
Ilgin Seker, Marco Lavalle
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Coherent Azimuth Ambiguity Suppression Based on Linear Optimum Filtering of Short Along-Track Baseline SAR Interferograms [PDF]
, 2022 We propose a coherent ambiguity suppression algorithm for short-baseline interferometric Synthetic Aperture Radar (SAR) systems with modest ambiguity rejection capabilities, typically suited for companion SAR missions. The algorithm leverages Doppler and
Richter, Dominik +3 more
core
Defence TechnologyRange-azimuth imaging of ground targets via frequency-modulated continuous wave (FMCW) radar is crucial for effective target detection. However, when the pitch of the moving array constructed during motion exceeds the physical array aperture, azimuth ...
Yanwen Han +5 more
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Comparison of Raw Data-Based and Complex Image-Based Sparse SAR Imaging Methods
Sensors, 2019 Sparse signal processing has already been introduced to synthetic aperture radar (SAR), which shows potential in improving imaging performance based on raw data or a complex image.
Zhilin Xu +4 more
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1T‐to‐2H Phase Evolution During Epitaxial Growth of Transition Metal Dichalcogenides
Advanced Materials, EarlyView.During MOCVD growth of MoS2 and WSe2, a transient metallic 1T phase emerges in early, edge‐rich, chalcogen‐deficient domains and declines as the films ultimately coalesce as 2H material. Together, experiments and ReaxFF simulations link domain size, edge stoichiometry, and vacancies to this evolution.
Andrew R. Graves +8 more
wiley +1 more source
Azimuth sidelobes suppression using multi-azimuth angle synthetic aperture radar images [PDF]
, 2019 A novel method is proposed for azimuth sidelobes suppression using multi-pass squinted (MPS) synthetic aperture radar (SAR) data. For MPS SAR, the radar observes the scene with different squint angles and heights on each pass.
Li, C. +11 more
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Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors
Advanced Science, EarlyView.This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung +7 more
wiley +1 more source