Diffraction Separation for the Ground Penetrating Radar Data by Masking Filters/Separacion por difraccion de informacion recolectada con georradar a traves de la aplicacion de filtros de mascara

Ground penetrating radar is a high-resolution, efficient, non-destructive geophysical detection method. It is widely used in various application scenarios such as tunnel geological prediction and road maintenance. Ground penetrating radar data contains a variety of valid signals as well as noise. Th...

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Veröffentlicht in:Earth sciences research journal 2024-06, Vol.28 (2), p.175
Hauptverfasser: Li, Zhijun, Sun, Hui, Xu, Ruoge, Chen, Rui, Ren, Hongyong, Wang, Chenglang, Gao, Fuliu, Wang, Mingnian
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container_issue 2
container_start_page 175
container_title Earth sciences research journal
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creator Li, Zhijun
Sun, Hui
Xu, Ruoge
Chen, Rui
Ren, Hongyong
Wang, Chenglang
Gao, Fuliu
Wang, Mingnian
description Ground penetrating radar is a high-resolution, efficient, non-destructive geophysical detection method. It is widely used in various application scenarios such as tunnel geological prediction and road maintenance. Ground penetrating radar data contains a variety of valid signals as well as noise. The diffracted waves of ground penetrating radar contain high-resolution small target imaging information. A critical challenge in GPR applications is how to extract diffracted waves from the wave fields. We provide a strategy to achieve this goal by applying the masking filters. Considering the complexity of the ground penetrating radar wave field and the weak energy of the diffracted waves, the median filter is first employed to suppress the linear reflections and then the f-k filter and [tau]-p filter are implemented to further increase the proportion of diffractions in the wave fields. Three numerical experiments are employed to test the diffraction-separation method. Keywords: Ground Penetrating Radar (GPR), Geological Disease Survey, GPR Signal Denoising, Diffraction Separation, Masking Filter El georradar es un metodo de deteccion geofisica de alta resolucion, eficiente, y no destructivo. Se usa ampliamente en varios escenarios, como en la prediccion de tuneles geologicos y en el mantenimiento de carreteras. La informacion del georradar contiene una variedad de senales validas pero tambien ruido. Las ondas difractadas del georradar contienen informacion detallada de pequenos objetivos en alta resolucion. Uno de los principales problemas en las aplicaciones de georradar es el como extraer las ondas difractadas a partir de los campos de ondas. En este articulo se presenta una estrategia para lograr este objetivo a traves de aplicar filtros de mascara. Al partir de la complejidad de la onda de campo del georradar y la senal debil de las ondas difractadas, el filtro mediano se usa inicialmente para suprimir las reflecciones lineales, y luego se implementan los filtros f-k y T-p para incrementar la proporcion de difraccion en los campos de ondas. Se emplearon ademas tres experimentos numericos para evaluar el metodo de separacion por difraccion. Palabras clave: Georradar; deteccion de problemas geologicos; eliminacion de ruido de senal en georradar; separacion por difraccion; filtros de mascara.
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It is widely used in various application scenarios such as tunnel geological prediction and road maintenance. Ground penetrating radar data contains a variety of valid signals as well as noise. The diffracted waves of ground penetrating radar contain high-resolution small target imaging information. A critical challenge in GPR applications is how to extract diffracted waves from the wave fields. We provide a strategy to achieve this goal by applying the masking filters. Considering the complexity of the ground penetrating radar wave field and the weak energy of the diffracted waves, the median filter is first employed to suppress the linear reflections and then the f-k filter and [tau]-p filter are implemented to further increase the proportion of diffractions in the wave fields. Three numerical experiments are employed to test the diffraction-separation method. Keywords: Ground Penetrating Radar (GPR), Geological Disease Survey, GPR Signal Denoising, Diffraction Separation, Masking Filter El georradar es un metodo de deteccion geofisica de alta resolucion, eficiente, y no destructivo. Se usa ampliamente en varios escenarios, como en la prediccion de tuneles geologicos y en el mantenimiento de carreteras. La informacion del georradar contiene una variedad de senales validas pero tambien ruido. Las ondas difractadas del georradar contienen informacion detallada de pequenos objetivos en alta resolucion. Uno de los principales problemas en las aplicaciones de georradar es el como extraer las ondas difractadas a partir de los campos de ondas. En este articulo se presenta una estrategia para lograr este objetivo a traves de aplicar filtros de mascara. Al partir de la complejidad de la onda de campo del georradar y la senal debil de las ondas difractadas, el filtro mediano se usa inicialmente para suprimir las reflecciones lineales, y luego se implementan los filtros f-k y T-p para incrementar la proporcion de difraccion en los campos de ondas. Se emplearon ademas tres experimentos numericos para evaluar el metodo de separacion por difraccion. 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It is widely used in various application scenarios such as tunnel geological prediction and road maintenance. Ground penetrating radar data contains a variety of valid signals as well as noise. The diffracted waves of ground penetrating radar contain high-resolution small target imaging information. A critical challenge in GPR applications is how to extract diffracted waves from the wave fields. We provide a strategy to achieve this goal by applying the masking filters. Considering the complexity of the ground penetrating radar wave field and the weak energy of the diffracted waves, the median filter is first employed to suppress the linear reflections and then the f-k filter and [tau]-p filter are implemented to further increase the proportion of diffractions in the wave fields. Three numerical experiments are employed to test the diffraction-separation method. Keywords: Ground Penetrating Radar (GPR), Geological Disease Survey, GPR Signal Denoising, Diffraction Separation, Masking Filter El georradar es un metodo de deteccion geofisica de alta resolucion, eficiente, y no destructivo. Se usa ampliamente en varios escenarios, como en la prediccion de tuneles geologicos y en el mantenimiento de carreteras. La informacion del georradar contiene una variedad de senales validas pero tambien ruido. Las ondas difractadas del georradar contienen informacion detallada de pequenos objetivos en alta resolucion. Uno de los principales problemas en las aplicaciones de georradar es el como extraer las ondas difractadas a partir de los campos de ondas. En este articulo se presenta una estrategia para lograr este objetivo a traves de aplicar filtros de mascara. Al partir de la complejidad de la onda de campo del georradar y la senal debil de las ondas difractadas, el filtro mediano se usa inicialmente para suprimir las reflecciones lineales, y luego se implementan los filtros f-k y T-p para incrementar la proporcion de difraccion en los campos de ondas. Se emplearon ademas tres experimentos numericos para evaluar el metodo de separacion por difraccion. 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Al partir de la complejidad de la onda de campo del georradar y la senal debil de las ondas difractadas, el filtro mediano se usa inicialmente para suprimir las reflecciones lineales, y luego se implementan los filtros f-k y T-p para incrementar la proporcion de difraccion en los campos de ondas. Se emplearon ademas tres experimentos numericos para evaluar el metodo de separacion por difraccion. Palabras clave: Georradar; deteccion de problemas geologicos; eliminacion de ruido de senal en georradar; separacion por difraccion; filtros de mascara.</abstract><pub>Universidad Nacional de Colombia, Departamento de Geociencias</pub><doi>10.15446/esrj.v28n2.112936</doi></addata></record>
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subjects Cosmetics
Ground penetrating radar
Maintenance and repair
Roads
title Diffraction Separation for the Ground Penetrating Radar Data by Masking Filters/Separacion por difraccion de informacion recolectada con georradar a traves de la aplicacion de filtros de mascara
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