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Showing 1-25 of 11,406 resultsfor "Index Terms":Ground penetrating radar
"Index Terms":Ground penetrating radar
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Ground-penetrating radar (GPR) problems are simulated using the finite-difference time-domain (FDTD) method. The GPR model is configured with arbitrarily polarized three antennas, two of which are transmitting antennas fed 180° out of phase. The receiver is placed in the middle of two transmitters, where it receives no direct coupling from the transmitting antennas. The ground is modeled as a diel...Show More
GPR Image Focusing Using Matched Filter Algorithm
Deniz Ustun;Enes Yigit;Abdurrahim Toktas;Kadir Sabanci;Huseyin Duysak
2018 XXIIIrd International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
In this study a synthetic aperture radar-based reconstruction technique is applied to focus the unwanted disruptive effects in the two-dimensional ground penetrating radar data. The formulation of the applied Matched Filter Algorithm (MFA) which completely removes the hyperbolic effects is presented in detail. To test the capability of the proposed technique an experimental measurement setup is co...Show More
Ground Penetrating Radar Image Focusing using Frequency-Wavenumber based Synthetic Aperture Radar Technique
2007 International Conference on Electromagnetics in Advanced Applications
Year: 2007 | Conference Paper |
Cited by: Papers (2)
In the classical B-Scan ground penetrating radar (GPR), the collected data represented in the image domain, depict undesired hyperbolic effects and have low resolution features. In this work, we present frequency-wavenumber based Synthetic Aperture Radar (SAR) focusing technique to solve this problem. The formulation of algorithm is given and applied to both the simulation data obtained by a physi...Show More
Investigation of ice jams using the GPR method
M.P. Fedorov;L.L. Fedorova;D.V. Savvin;T.P. Prudetskaya;A.V. Omelyanenko
2018 17th International Conference on Ground Penetrating Radar (GPR)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
The most effective way to remove ice jams is the explosive method, the use of which is most appropriate during the ice jam formation period. But it is necessary to know the thickness and volume of the jam-making ice in order to put the optimum quantity of explosive for effective destruction of the ice jam. It is not possible to implement the conventional measuring techniques for the purposes of me...Show More
UAV-Borne FMCW InSAR for Focusing Buried Objects
Ralf Burr;Markus Schartel;Alexander Grathwohl;Winfried Mayer;Thomas Walter;Christian Waldschmidt
Antipersonnel mines are hidden weapons that are usually buried close to the surface and are triggered by a foot step of the victim. A sensor that is able to detect minimum metal mines is a ground penetrating synthetic aperture radar (GPSAR). In previous work, an unmanned aerial vehicle (UAV)-based GPSAR was developed and tested for the detection of buried landmines. The real topography was neglect...Show More
Design and realization of a discretely loaded resistive vee dipole for ground-penetrating radars
A discretely loaded resistive vee dipole (RVD) is designed and realized for use in ground-penetrating radar (GPR) applications. The RVD is a good antenna for GPR applications because it can radiate a temporally short pulse into a small spot on the ground, and its low radar cross section mostly eliminates the multiple reflections between the surface of the ground and the antenna. The antenna presen...Show More
GPR data simulations require above all an efficient forward modeling algorithm. A Finite Difference Time Domain code is presented with Simplified Unsplit Perfect Matched Layer that leads to insignificant reflections on border with few modifications of the core algorithm. In addition, the Auxiliary Differential Equation method allows GPR simulations including dispersive phenomena that could not be ...Show More
Clutter Removal in Ground-Penetrating Radar Images Using Deep Neural Networks
2022 International Symposium on Antennas and Propagation (ISAP)
Year: 2022 | Conference Paper |
Cited by: Papers (2)
The clutter in ground-penetrating radar (GPR) images obscures and disguises subsurface target reflections, which greatly challenges the accurate target identification. Conventional clutter removal methods suffer from limited clutter removal capability. They either leave residual clutter or deteriorate target reflections. To address the challenges in suppressing clutter in GPR radargrams, we presen...Show More
Iteration Strategy for Autofocusing Metric Evaluation in GPR Imaging
2018 International Symposium on Antennas and Propagation (ISAP)
Year: 2018 | Conference Paper |
The GPR data can be used to image the subsurface structure using a migration algorithm and geometric information, such as the layer structure and relative permittivity (RP) of the medium. The autofocusing (AF) technique can be used to estimate the RP value by iteratively evaluating an AF metric of the migrated image. Because the iterative evaluation is time consuming, it is desired to develop good...Show More
Detection of buried targets under limited number of scans with a synthetic aperture radar
2021 International Symposium on Antennas and Propagation (ISAP)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Radar remote sensing of buried targets is widely conducted with ground penetrating radars (GPRs). Synthetic aperture radars (SAR) are widely used for monitoring of disaster, forest coverage, and infrastructure. For future utilization of airborne or spaceborne SAR monitoring of buried target, we investigated how to identify buried target for limited number of scans with using two-dimensional scanni...Show More
A Novel De-Noising Method for GPR Signal
2019 International Symposium on Antennas and Propagation (ISAP)
Year: 2019 | Conference Paper |
De-noising of target echo has attracted plenty of attention in better identification of target signals for ground penetrating radar (GPR). In this paper, a novel de-noising method for GPR signal is proposed. By adding LMS (Least Mean Square) adaptive filtering into wavelet threshold algorithm, both threshold processing of the high-frequency coefficients and filtering of the low-frequency coefficie...Show More
Signal Prediction of a GPR System Mounted on Drone by Using Ray-Tracing Technique
Kittisak Phaebua;Titipong Lertwiriyaprapa;Akkarat Boonpoonga;Santana Burintramart
2021 9th International Electrical Engineering Congress (iEECON)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Signal prediction of time-domain (TD) ground-penetrating radar (GPR) installed on drone by employing the ray-tracing technique is proposed. This work employs the TD uniform geometrical theory of diffraction (UTD) method including the geometrical optic (GO) rays tracing technique to find the GPR reflected signal from the ground layer and the underground object. Moreover, the diffracted ray path of ...Show More
Comparison of Different Height Estimation Sources on the Performance of a UAV-mounted MIMO-SAR Ground Penetrating Radar system
Guillermo Álvarez-Narciandi;María García-Fernández;Yuri Álvarez-López;Fernando Las-Heras
2023 IEEE Conference on Antenna Measurements and Applications (CAMA)
Year: 2023 | Conference Paper |
Ground Penetrating Radar (GPR) is a key technology for inspecting the underground, as it allows the detection of both metallic and dielectric targets. In the last few years, the integration of GPR systems on board unmanned aerial vehicles (UAVs) has been proposed for the detection of buried explosive threats. These systems can provide high-resolution images of the underground by coherently combini...Show More
SAFEDRONE project: development of a UAV -based high-resolution GPR system for IED detection
María García-Fernández;Guillermo Álvarez-Narciandi;Yuri Álvarez López;Fernando Las-Heras Andrés
2022 16th European Conference on Antennas and Propagation (EuCAP)
Year: 2022 | Conference Paper |
Cited by: Papers (7)
This contribution presents the main objectives and achievements of the SAFEDRONE project, devoted to the development of airborne-based high-resolution Ground Penetrating Radar (GPR) systems for the detection of buried landmines and Improvised Explosive Devices (IEDs). The overall goal of the project is to take advantage of the ability of Unmanned Aerial Vehicles (UAVs) to enable a contactless, saf...Show More
GPR Signal Denoising and Target Extraction With the CEEMD Method
In this letter, we apply a time and frequency analysis method based on the complete ensemble empirical mode decomposition (CEEMD) method in ground-penetrating radar (GPR) signal processing. It decomposes the GPR signal into a sum of oscillatory components, with guaranteed positive and smoothly varying instantaneous frequencies. The key idea of this method relies on averaging the modes obtained by ...Show More
SAR imaging techniques for ground penetrating impulse radar
2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
This paper presents synthetic aperture radar techniques for impulse ground-penetrating radar system. For test measurements, we used ultra-wide band impulse ground-penetrating radar system to collect A-scan radar data and these data was demonstrated in B-scan image. Synthetic aperture radar algorithm was applied to advance the cross-range and range resolutions.Show More
Forward-Looking GPR Imaging with Near-Optimal 3-D Synthetic Array
2019 13th European Conference on Antennas and Propagation (EuCAP)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
In this paper, we propose an Elevation-Radial scanned Synthetic Aperture Radar (E-RadSAR) for forward-looking ground penetrating radar (GPR) imaging. The E-RadSAR exploits the advantages of both RadSAR and Elevation-Circular SAR (E-CSAR) by utilizing the SAR technique in the cross- and down-range directions for signal acquisition. It could be implemented with fewer antennas compared to the RadSAR ...Show More
Three-dimensional ground-penetrating radar (GPR) geometries are simulated using the finite difference time domain (FDTD) method. The GPR is modeled with a receiver and two transmitters with arbitrary polarizations in order to cancel the direct signals emitted by the two transmitters at the receiver. This GPR configuration is used to simulate scenarios involving single or multiple targets with arbi...Show More
Evaluation of Compact and Modular SFCW GPR Systems for Detecting Buried Objects
2023 30th International Conference on Systems, Signals and Image Processing (IWSSIP)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
Ground Penetrating Radar (GPR) systems have emerged as a reliable and non-destructive tool for subsurface object detection and characterization. In this paper, we present a comprehensive performance evaluation of two different stepped-frequency continuous wave (SFCW) GPR radars in application for detecting buried objects. Radars have the same structure, one is implemented on a single substrate wit...Show More
We have developed an identification method of an underground object form a ground penetrating radar (GPR) image by the deep neural network. In this study, in order to automatically detect an underground object from the GPR image by the DNN, we have generated several hundred thousand GPR images for training the DNN using a fast finite-difference-time-domain (FDTD) simulation with graphics processin...Show More
A Compact and Light-Weight Ground Penetrating Radar System for Unmanned Aerial Vehicles
Alan Salari;Giuseppe Esposito;Ilaria Catapano;Francesco Soldovieri;Danilo Erricolo
2023 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM)
Year: 2023 | Conference Paper |
Cited by: Papers (3)
VMD analysis of RF-tagged buried pipes for GPR applications
2019 IEEE Asia-Pacific Microwave Conference (APMC)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
Ground Penetrating Radar (GPR) is an efficient tool for the detection of underground objects. However, due to electromagnetic attenuation and scattering effects, the detection and identification of the buried objects are often difficult. Radio-Frequency (RF) tagging of the buried pipes and cables is a novel approach to tackle these problems, and generally the enhanced response from the RF tags in ...Show More
A Wideband Printed Slot Antenna Using Double Feed and Blended Stub with Reflector for GPR Applications
Nattaphon Dokjok;Wanwisa Thaiwirot;Akkarat Boonpoonga;Prayoot Akkaraekthalin
2018 International Symposium on Antennas and Propagation (ISAP)
Year: 2018 | Conference Paper |
This paper presents a printed slot antenna fed by microstrip line with double feeding strip, double-blended shape stub and stripline-loaded structure. Moreover, the reflector is added behind the proposed antenna in order to improve the directivity. The dimensions of the proposed antenna are 28 mm × 32 mm × 188.32 mm. The simulation results show that the proposed antenna achieves a very wide impeda...Show More
The ArchaeoTrack Project: Use of Ground-Penetrating Radar for Preventive Conservation of Buried Archaeology Towards the Development of a Virtual Museum
2018 Metrology for Archaeology and Cultural Heritage (MetroArchaeo)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
This paper reports the main activities planned within the context of the ArchaeoTrack research project. The project aims at creating a new ground-penetrating radar (GPR)-based methodology producing information for use of communities and local administrations within a preventive archaeology perspective. To this aim, the project provides i) identification of the most suitable GPR system for archaeol...Show More
Robust Subsurface Velocity Change Detection Method with Yakumo Multistatic GPR System
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium
Year: 2019 | Conference Paper |
Cited by: Papers (5)
To detect pavement damage of airport taxiway caused by cracks inside layer, we applied a novel method to common midpoint (CMP) dataset obtained by multistatic ground penetrating radar (GPR) system YAKUMO. Thin cracks within asphalt layers cause slight variation to the electromagnetic (EM) signal propagation velocity. The proposed method can show higher-resolution images of velocity changes of two ...Show More
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