Results 161 to 170 of about 1,359 (190)
Regional stratigraphy of the south polar layered deposits (Promethei Lingula, Mars): “Discontinuity-bounded” units in images and radargrams [PDF]
Icarus, 2018 The Mars South Polar Layered Deposits (SPLD) are the result of depositional and erosional events, which are marked by different stratigraphic sequences and erosional surfaces.
Lucia Marinangeli +2 more
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No evidence of reflectors on Jezero radargrams 
2022<p><strong>Introduction:</strong></p> <p>The Perseverance rover landed at Jezero crater in 2021, close to the delta of an ancient river (<em>1</em>). This crater once hosted a paleolake (<em>2</em>).
Federico Mansilla +3 more
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Water supply system component evaluation from GPR radargrams using a multi-agent approach [PDF]
Mathematical and Computer Modelling, 2013 This paper uses a multi-agent approach as a quick and easy tool for the interpretation and analysis of the characteristics of Water Supply System (WSS) components when working on a collection of Ground Penetrating Radar (GPR) survey files.
David Ayala-Cabrera +2 more
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Filtering of Radargram-Traces with the Wavelet-Transform
60th EAGE Conference and Exhibition, 1998Ground penetrating radar measurements represent a relatively new, fast and high-resolution investigation method for near surface objects. To explain and to interpret phenomena occurring in nature preliminary investigations with synthetically made radargrams have to be done.
C. Seegraef, B. Forkmann
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Radargram Filter Using Singularity Expansion Method (SEM)
2020 IEEE International Conference on Computational Electromagnetics (ICCEM), 2020In this paper, a clutter removal technique for radargrams obtained with a ground penetration radar (GPR) is presented. The technique, based in the singularity expansion method (SEM), allows to select the poles of the recorded signals that correspond to clutter.
Eder Fabian Ruiz +5 more
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2-D synthetic radargrams for archaeological investigation
Fourth International Conference on Ground Penetrating Radar, 1992Ground radar is being used in archaeological surveys with considerable success. The structures at excavated sites nevertheless often turn out to be different from those determined from raw radar profiles. The primary reason for these differences is the broadness of the microwave beam transmitted into the ground (see Fig. 1).
Dean Goodman, Yasushi Nishimura
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A Coherent Multilayer Simulator of Radargrams Acquired by Radar Sounder Instruments
IEEE Transactions on Geoscience and Remote Sensing, 2018Reliable electromagnetic simulators are of prime importance for the design of radar sounder instruments and for supporting the subsequent analysis of their data. In this paper, we present a coherent, facet method-based simulator that can compute radar echoes from the subsurface of a target area with an arbitrary number of geological layers, thus going ...
Gerekos, Christopher +5 more
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An Approach to the Simulation of Radar Sounder Radargrams Based on Geological Analogs
IEEE Transactions on Geoscience and Remote Sensing, 2019Simulation of radar sounder (RS) data is important for understanding the radar response of subsurface features to facilitate the interpretation of the real data. Conventional electromagnetic simulators require the definition of complex geoelectrical models of the investigated targets.
Thakur, Sanchari, Bruzzone, Lorenzo
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An Integrated Method of PCA and PSM for Localization of Hyperbolic Signatures in Radargram
2020 International Conference on Communication and Signal Processing (ICCSP), 2020This paper describes an integrated method of Principal Component Analysis(PCA) and Phase Shm Migration(PSM) for GPR data processing. The localization of subsurface objects is carried out by PSM. When the migration method is used the image is defocused due to the ground reflections and is tackled by incorporating PCA based on singular value ...
K.M. Maneesha, K.K. Ajith
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, 2018 © 2018 IEEE. The corrosion of reinforced concrete sewer pipes in aging infrastructure is a serious ongoing issue and as such, research into technologies that allow for autonomous site assessments are of major priority to wastewater managing utilities ...
Sarath Kodagoda, Jean Kyle Alvarez
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