Orthogonal Dual Polarization GPR Measurement for Detection of Buried Vertical Fault
This short letter proposes a ground-penetrating radar (GPR) measurement technique to better detect vertical fault that occurs in a base rock under a surface layer. The technique exploits polarization-dependent radar response of the linear feature of the fault end that appears on the featureless base...
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| Veröffentlicht in: | IEEE geoscience and remote sensing letters 2022, Vol.19, p.1-5 |
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| container_title | IEEE geoscience and remote sensing letters |
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| creator | Kobayashi, Takao Ko, Kyoungtae Choi, Sung-Ja Choi, Jin-Hyuck |
| description | This short letter proposes a ground-penetrating radar (GPR) measurement technique to better detect vertical fault that occurs in a base rock under a surface layer. The technique exploits polarization-dependent radar response of the linear feature of the fault end that appears on the featureless base rock surface. A set of GPR measurements of which polarizations are orthogonal to each other are carried out in a fashion that one polarization is parallel to the putative target fault line, while another is normal to it. Taking the difference of instantaneous power A-scope data of the measurements cancels contribution from the featureless base rock surface while the contribution from the fault fracture end is elicited, thanks to its strong polarization-dependent radar response. The technique was described by an analytic model, its feasibility was demonstrated by finite difference time domain (FDTD) simulation, and was verified by a field measurement experiment. |
| doi_str_mv | 10.1109/LGRS.2022.3156295 |
| format | Article |
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The technique exploits polarization-dependent radar response of the linear feature of the fault end that appears on the featureless base rock surface. A set of GPR measurements of which polarizations are orthogonal to each other are carried out in a fashion that one polarization is parallel to the putative target fault line, while another is normal to it. Taking the difference of instantaneous power A-scope data of the measurements cancels contribution from the featureless base rock surface while the contribution from the fault fracture end is elicited, thanks to its strong polarization-dependent radar response. 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The technique was described by an analytic model, its feasibility was demonstrated by finite difference time domain (FDTD) simulation, and was verified by a field measurement experiment.</description><subject>Antenna measurements</subject><subject>Dual polarization radar</subject><subject>Earthquakes</subject><subject>Faces</subject><subject>Feasibility studies</subject><subject>Ground penetrating radar</subject><subject>ground-penetrating radar (GPR)</subject><subject>Measurement</subject><subject>Measurement techniques</subject><subject>Polarization</subject><subject>Power measurement</subject><subject>Radar</subject><subject>Radar antennas</subject><subject>Radar cross-sections</subject><subject>radar imaging</subject><subject>Rocks</subject><subject>Surface boundary layer</subject><subject>Surface layers</subject><issn>1545-598X</issn><issn>1558-0571</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwseN46STZfR622CpWWVsVb2KaJbtk2Ncke9Ne7a4uXmYF53oF5ELrEMMAY1M1kPF8MCBAyoJhxotgR6mHGZA5M4ONuLljOlHw_RWcxrgFIIaXoocU0pE__4bdlnd03bZn5ugzVT5kqv83Gs3n2bMvYBLux25Q5H7J7m6z523qX3TWhsqvszYZUmTY9Kps6naMTV9bRXhx6H72OHl6Gj_lkOn4a3k5yQxRNuQTDmTPSOswNNmIllm7FeMEoUwSDo1wKCQqsoEwawWBpuDCFMIIUQkpF--h6f3cX_FdjY9Jr34T2k6gJL6CgoBS0FN5TJvgYg3V6F6pNGb41Bt2505073bnTB3dt5mqfqay1_7wShBMi6C8Ux2l6</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>Kobayashi, Takao</creator><creator>Ko, Kyoungtae</creator><creator>Choi, Sung-Ja</creator><creator>Choi, Jin-Hyuck</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Antenna measurements Dual polarization radar Earthquakes Faces Feasibility studies Ground penetrating radar ground-penetrating radar (GPR) Measurement Measurement techniques Polarization Power measurement Radar Radar antennas Radar cross-sections radar imaging Rocks Surface boundary layer Surface layers |
| title | Orthogonal Dual Polarization GPR Measurement for Detection of Buried Vertical Fault |
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