Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601517
A. Ihamouten, C. Le Bastard, N. Boutet, G. Villain, Xavier Dérobert
Rehabilitation of old buildings is a necessity for reductions in energy consumption and preservation of cultural heritage. To achieve good rehabilitations in old buildings, an efficient diagnosis allows to determine the various existing pathologies and their causes. In this study, we focus on the Tuffeau which is widely used in the old buildings of the Loire Valley (France). Currently, the moisture condition measurements are carried out using probes that are placed in the walls. These sensors take very localized measurements with an alteration of the structure (coring). In this paper, we propose to analyze the water gradients due to water transfer in Tuffeau blocks using an electromagnetic waveguide model applied to nondestructive testing (Ground Penetrating Radar).
{"title":"GPR characterization of water transfers in Tuffeau walls","authors":"A. Ihamouten, C. Le Bastard, N. Boutet, G. Villain, Xavier Dérobert","doi":"10.1109/IWAGPR.2013.6601517","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601517","url":null,"abstract":"Rehabilitation of old buildings is a necessity for reductions in energy consumption and preservation of cultural heritage. To achieve good rehabilitations in old buildings, an efficient diagnosis allows to determine the various existing pathologies and their causes. In this study, we focus on the Tuffeau which is widely used in the old buildings of the Loire Valley (France). Currently, the moisture condition measurements are carried out using probes that are placed in the walls. These sensors take very localized measurements with an alteration of the structure (coring). In this paper, we propose to analyze the water gradients due to water transfer in Tuffeau blocks using an electromagnetic waveguide model applied to nondestructive testing (Ground Penetrating Radar).","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126956357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601528
L. Pajewski, A. Benedetto, Xavier Dérobert, A. Giannopoulos, A. Loizos, G. Manacorda, M. Marciniak, C. Plati, G. Schettini, I. Trinks
This paper focuses on the use of Ground Penetrating Radar (GPR) in civil engineering. Open issues in this field are identified and desirable advances in GPR technology, application procedures, data processing algorithms and analysis tools, are addressed. European associations, institutes and consortia interested in this topic are mentioned, together with the main relevant international events. The new COST (European COoperation in Science and Technology) Action TU1208 “Civil Engineering Applications of Ground Penetrating Radar” is presented, started in April 2013: this interdisciplinary project offers important research opportunities and will strengthen European excellence in all the fields concerning the success of GPR technique, with a main focus on its applications in civil engineering. Four Working Groups (WGs) carry out the research activities: WGI focuses on the design of innovative GPR equipment, on the building of prototypes, as well as on the testing and optimization of new systems; WG2 focuses on the GPR surveying of pavement, bridges, tunnels and buildings, as well as on the sensing of underground utilities and voids; WG3 deals with the development of electromagnetic forward and inverse scattering methods and of advanced data processing algorithms; WG4 explores the use of GPR in fields different from civil engineering and the integration of GPR with other nondestructive testing techniques. The COST Action TU1208 is still open to the participation of new parties: in this paper, information is provided for scientists and scientific institutions willing to join the Action and participate to its activities.
{"title":"Applications of Ground Penetrating Radar in civil engineering — COST action TU1208","authors":"L. Pajewski, A. Benedetto, Xavier Dérobert, A. Giannopoulos, A. Loizos, G. Manacorda, M. Marciniak, C. Plati, G. Schettini, I. Trinks","doi":"10.1109/IWAGPR.2013.6601528","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601528","url":null,"abstract":"This paper focuses on the use of Ground Penetrating Radar (GPR) in civil engineering. Open issues in this field are identified and desirable advances in GPR technology, application procedures, data processing algorithms and analysis tools, are addressed. European associations, institutes and consortia interested in this topic are mentioned, together with the main relevant international events. The new COST (European COoperation in Science and Technology) Action TU1208 “Civil Engineering Applications of Ground Penetrating Radar” is presented, started in April 2013: this interdisciplinary project offers important research opportunities and will strengthen European excellence in all the fields concerning the success of GPR technique, with a main focus on its applications in civil engineering. Four Working Groups (WGs) carry out the research activities: WGI focuses on the design of innovative GPR equipment, on the building of prototypes, as well as on the testing and optimization of new systems; WG2 focuses on the GPR surveying of pavement, bridges, tunnels and buildings, as well as on the sensing of underground utilities and voids; WG3 deals with the development of electromagnetic forward and inverse scattering methods and of advanced data processing algorithms; WG4 explores the use of GPR in fields different from civil engineering and the integration of GPR with other nondestructive testing techniques. The COST Action TU1208 is still open to the participation of new parties: in this paper, information is provided for scientists and scientific institutions willing to join the Action and participate to its activities.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130241843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601539
J. Tronicke, Urs Boniger
The recently introduced steering kernel regression (SKR) framework was originally developed to attenuate random noise in images and video sequences. The core of the method is the steering kernel function which incorporates a robust local estimate of image structure into the denoising framework. This helps to minimize image blurring and to preserve edges and corners. As such filter characteristics are also desirable for random noise attenuation in ground-penetrating radar (GPR) data, we propose to adopt the SKR method for processing GPR data. We test and evaluate this denoising method using different GPR data examples. Our results show that SKR is successful in removing random noise present in our data sets. Concurrently, it preserves local image structure and amplitudes. Thus, the method can be considered as a promising and novel approach for denoising GPR data.
{"title":"Steering kernel regression: An adaptive denoising tool to process GPR data","authors":"J. Tronicke, Urs Boniger","doi":"10.1109/IWAGPR.2013.6601539","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601539","url":null,"abstract":"The recently introduced steering kernel regression (SKR) framework was originally developed to attenuate random noise in images and video sequences. The core of the method is the steering kernel function which incorporates a robust local estimate of image structure into the denoising framework. This helps to minimize image blurring and to preserve edges and corners. As such filter characteristics are also desirable for random noise attenuation in ground-penetrating radar (GPR) data, we propose to adopt the SKR method for processing GPR data. We test and evaluate this denoising method using different GPR data examples. Our results show that SKR is successful in removing random noise present in our data sets. Concurrently, it preserves local image structure and amplitudes. Thus, the method can be considered as a promising and novel approach for denoising GPR data.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121900066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601545
M. Zajc, A. Gosar, Ž. Pogačnik
During the exploitation of flyschoid rocks in quarries, the presence of karst features such as caves and phreatic channels in carbonate units can be extremely hazardous. Several case studies to date have shown that the Ground Penetrating Radar (GPR) is a suitable method for detecting such features. We evaluated its use in detecting karst caves and discontinuities that could form potential landslide surfaces in flyschoid rocks of the Rodež quarry in Anhovo (W Slovenia). We recorded 21 GPR profiles in 3 consecutive benches with the unshielded 50 MHz Rough Terrain Antenna (RTA) system and correlated them with the results of structural and lithological mapping of the area. We located several karst caves and confirmed the presence of discontinuities with the interpretation of GPR profiles alone, but their correlation with geological and other data gave a more precise insight into the structural setting of the studied area.
{"title":"Analysis of tectonic and karst formations as geological hazard for exploitation of flyschoid rocks by Ground Penetrating Radar, the case of Anhovo-Rodež quarry (W Slovenia)","authors":"M. Zajc, A. Gosar, Ž. Pogačnik","doi":"10.1109/IWAGPR.2013.6601545","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601545","url":null,"abstract":"During the exploitation of flyschoid rocks in quarries, the presence of karst features such as caves and phreatic channels in carbonate units can be extremely hazardous. Several case studies to date have shown that the Ground Penetrating Radar (GPR) is a suitable method for detecting such features. We evaluated its use in detecting karst caves and discontinuities that could form potential landslide surfaces in flyschoid rocks of the Rodež quarry in Anhovo (W Slovenia). We recorded 21 GPR profiles in 3 consecutive benches with the unshielded 50 MHz Rough Terrain Antenna (RTA) system and correlated them with the results of structural and lithological mapping of the area. We located several karst caves and confirmed the presence of discontinuities with the interpretation of GPR profiles alone, but their correlation with geological and other data gave a more precise insight into the structural setting of the studied area.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"489 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122895586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601511
B. Beaucamp, C. Fauchard, L. Laguerre
A Step Frequency Radar (SFR) is used for assessing the compaction of Hot Mix Asphalt (HMA) layers. The system is composed of a network analyser and an Ultra Wide Band (UWB) antenna placed above the road surface. The measurements are carried out on a new-paved road in Cagny (Normandie, France). The SFR system provides the permittivity of the first overlay. The data is corrected from vehicle vibrations and calibrated at fixed locations. Then, the HMA compaction is deduced with a Lichteneker-Rother (LR) model. The results are compared with standard tests (gamma bench testing on cores and in-place nuclear gauge). We show that the SFR system allows the nondestructive assessment of HMA overlay with a high density of points, and with an accuracy close to the compaction provided by standard tests.
{"title":"Non destructive assessment of Hot Mix Asphalt compaction with a step frequency radar: Case study","authors":"B. Beaucamp, C. Fauchard, L. Laguerre","doi":"10.1109/IWAGPR.2013.6601511","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601511","url":null,"abstract":"A Step Frequency Radar (SFR) is used for assessing the compaction of Hot Mix Asphalt (HMA) layers. The system is composed of a network analyser and an Ultra Wide Band (UWB) antenna placed above the road surface. The measurements are carried out on a new-paved road in Cagny (Normandie, France). The SFR system provides the permittivity of the first overlay. The data is corrected from vehicle vibrations and calibrated at fixed locations. Then, the HMA compaction is deduced with a Lichteneker-Rother (LR) model. The results are compared with standard tests (gamma bench testing on cores and in-place nuclear gauge). We show that the SFR system allows the nondestructive assessment of HMA overlay with a high density of points, and with an accuracy close to the compaction provided by standard tests.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114376114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601519
A. Klotzsche, J. van der Kruk, N. Linde, J. Doetsch
For accurate prediction of flow and contaminant transport in aquifers, a high resolution method is necessary, that is able to detect small-scale high-contrast layers. Such layers can act as low-velocity waveguides in the GPR signal and can be related to a zone of preferential flow or impermeable clay lenses. Here, we characterize a saturated gravel aquifer in 3D by applying 2D full-waveform inversion and an amplitude analysis approach that explores the information content present in the measured GPR data. The full-waveform inversion results of the permittivity and conductivity show decimeter-scale high resolution images and similar results at the borehole crossing and at the intersection of the diagonal planes. In all six planes, a high permittivity layer between 5m-6m depth was resolved, which acted due to the high contrast to the surrounding as a low-velocity waveguide indicating a zone of higher porosity. The amplitude analysis of the measured data showed significant wave propagation for transmitter located in and outside this zone. By using this information, the method was able to detect the waveguide layers and their boundaries in the measured data, which were confirmed by the full-waveform inversion results. Permeability logs indicate a zone of preferential flow between 5m-6m depth, which shows a good agreement with the high permittivity/porosity zone detected by the full-waveform inversion.
{"title":"3D characterization of an aquifer using full-waveform inversion and amplitude analysis","authors":"A. Klotzsche, J. van der Kruk, N. Linde, J. Doetsch","doi":"10.1109/IWAGPR.2013.6601519","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601519","url":null,"abstract":"For accurate prediction of flow and contaminant transport in aquifers, a high resolution method is necessary, that is able to detect small-scale high-contrast layers. Such layers can act as low-velocity waveguides in the GPR signal and can be related to a zone of preferential flow or impermeable clay lenses. Here, we characterize a saturated gravel aquifer in 3D by applying 2D full-waveform inversion and an amplitude analysis approach that explores the information content present in the measured GPR data. The full-waveform inversion results of the permittivity and conductivity show decimeter-scale high resolution images and similar results at the borehole crossing and at the intersection of the diagonal planes. In all six planes, a high permittivity layer between 5m-6m depth was resolved, which acted due to the high contrast to the surrounding as a low-velocity waveguide indicating a zone of higher porosity. The amplitude analysis of the measured data showed significant wave propagation for transmitter located in and outside this zone. By using this information, the method was able to detect the waveguide layers and their boundaries in the measured data, which were confirmed by the full-waveform inversion results. Permeability logs indicate a zone of preferential flow between 5m-6m depth, which shows a good agreement with the high permittivity/porosity zone detected by the full-waveform inversion.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122497529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601544
Xu Wei, Lu Min, Huang Chunlin
Because of the depth limitation when using the impulse ground penetrating radar(GPR) for deep detecting, a ultra-wideband(UWB) deep GPR receiver system using ADC for sampling is designed. Several simulations to the traditional balanced door sampling circuit are carried out, the results demonstrate that the main factors which limit the system's dynamic range is the jitter of sampling trigger pulse. The overall structure of new receiver system is designed, as well as the timing control circuit. The highly integrated, low-cost receiver system has improved system's dynamic range from 50dB to 80dB, and has been applied in the deep GPR system of our laboratory.
{"title":"Design of receiver with wide dynamic range for deep ground penetrating radar","authors":"Xu Wei, Lu Min, Huang Chunlin","doi":"10.1109/IWAGPR.2013.6601544","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601544","url":null,"abstract":"Because of the depth limitation when using the impulse ground penetrating radar(GPR) for deep detecting, a ultra-wideband(UWB) deep GPR receiver system using ADC for sampling is designed. Several simulations to the traditional balanced door sampling circuit are carried out, the results demonstrate that the main factors which limit the system's dynamic range is the jitter of sampling trigger pulse. The overall structure of new receiver system is designed, as well as the timing control circuit. The highly integrated, low-cost receiver system has improved system's dynamic range from 50dB to 80dB, and has been applied in the deep GPR system of our laboratory.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122591056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601529
F. Parrini, M. Pieraccini, D. Mecatti, D. Dei, G. Macaluso, A. Spinetti, R. Persico, G. Leucci, G. Manacorda
GPR-R technology fully exploits the unique advantages of the stepped frequency radar technique. A GPR equipment based on this technology has been recently developed by the authors: it is able to reconfigure its integration time and transmitted power vs. frequency in order to increase penetration capability and radiofrequency interference immunity. This paper describes the antenna subsystem of this radar.
{"title":"A reconfigurable stepped frequency GPR (GPR-R): The antenna subsystem","authors":"F. Parrini, M. Pieraccini, D. Mecatti, D. Dei, G. Macaluso, A. Spinetti, R. Persico, G. Leucci, G. Manacorda","doi":"10.1109/IWAGPR.2013.6601529","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601529","url":null,"abstract":"GPR-R technology fully exploits the unique advantages of the stepped frequency radar technique. A GPR equipment based on this technology has been recently developed by the authors: it is able to reconfigure its integration time and transmitted power vs. frequency in order to increase penetration capability and radiofrequency interference immunity. This paper describes the antenna subsystem of this radar.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131718804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601534
F. Sagnard, Elias Tebchrany, V. Baltazart
An UWB ground-coupled radar has been designed to operate from 460 MHz to beyond 4 GHz and essentially for civil engineering applications. Full-wave modeling using the FDTD approach has allowed to study in details the antenna radiation characteristics in air, in the presence of a soil and as a constituent in a bistatic GPR system. The polarization diversity in the E and H-planes is an important aspect which has been studied in order to further detect the orientation of damages (cracks or delaminations) in civil engineering structures. The analysis of the hyperbola signatures has allowed to evaluate the ability of the radar to detect small canonical buried objects.
{"title":"Evaluation of an UWB ground-coupled radar in the detection of discontinuities using polarization diversity: FDTD modeling and experiments","authors":"F. Sagnard, Elias Tebchrany, V. Baltazart","doi":"10.1109/IWAGPR.2013.6601534","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601534","url":null,"abstract":"An UWB ground-coupled radar has been designed to operate from 460 MHz to beyond 4 GHz and essentially for civil engineering applications. Full-wave modeling using the FDTD approach has allowed to study in details the antenna radiation characteristics in air, in the presence of a soil and as a constituent in a bistatic GPR system. The polarization diversity in the E and H-planes is an important aspect which has been studied in order to further detect the orientation of damages (cracks or delaminations) in civil engineering structures. The analysis of the hyperbola signatures has allowed to evaluate the ability of the radar to detect small canonical buried objects.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133039751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-02DOI: 10.1109/IWAGPR.2013.6601538
Meng Sun, N. Pinel, C. Le Bastard, V. Baltazart, A. Ihamouten, Yide Wang
In civil engineering, ground penetrating radar is widely used for road pavement surveys. In contrast to the existing literature, the influence of interface roughness (surface and interlayer roughness of stratified media) is accounted for within the scope of the data processing of radar signals. The rigorous electromagnetic method PILE (propagation inside layer expansion) provides the simulated data. The observed frequency variations of the radar magnitude introduce some shape distortion on the radar wavelet. An adaptation of the root-MUSIC algorithm is proposed on the basis of the work. As a result, it is allowed to jointly estimate the time delay and the interface roughness.
{"title":"Time delay and surface roughness estimation by subspace algorithms for pavement survey by radar","authors":"Meng Sun, N. Pinel, C. Le Bastard, V. Baltazart, A. Ihamouten, Yide Wang","doi":"10.1109/IWAGPR.2013.6601538","DOIUrl":"https://doi.org/10.1109/IWAGPR.2013.6601538","url":null,"abstract":"In civil engineering, ground penetrating radar is widely used for road pavement surveys. In contrast to the existing literature, the influence of interface roughness (surface and interlayer roughness of stratified media) is accounted for within the scope of the data processing of radar signals. The rigorous electromagnetic method PILE (propagation inside layer expansion) provides the simulated data. The observed frequency variations of the radar magnitude introduce some shape distortion on the radar wavelet. An adaptation of the root-MUSIC algorithm is proposed on the basis of the work. As a result, it is allowed to jointly estimate the time delay and the interface roughness.","PeriodicalId":257117,"journal":{"name":"2013 7th International Workshop on Advanced Ground Penetrating Radar","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115408921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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