On the scattering of electromagnetic waves by bodies buried in a half-space with locally rough interface
A method for the scattering of electromagnetic waves from cylindrical bodies of arbitrary materials and cross sections buried beneath a rough interface is presented. The problem is first reduced to the solution of a Fredholm integral equation of the second kind through the Green's function of t...
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| Veröffentlicht in: | IEEE transactions on geoscience and remote sensing 2006-06, Vol.44 (6), p.1435-1443 |
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| container_title | IEEE transactions on geoscience and remote sensing |
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| creator | Altuncu, Y. Yapar, A. Akduman, I. |
| description | A method for the scattering of electromagnetic waves from cylindrical bodies of arbitrary materials and cross sections buried beneath a rough interface is presented. The problem is first reduced to the solution of a Fredholm integral equation of the second kind through the Green's function of the background medium. The integral equation is treated here by an application of the method of moments (MoM). The Green's function of the two-part space with rough interface is obtained by a novel approach which is based on the assumption that the perturbations of the rough surface from a planar one are objects located at both sides of the planar boundary. Such an approach allows one to formulate the problem as a scattering of cylindrical waves from buried cylindrical bodies which is solved by means of MoM. The method is effective for surfaces having a localized and arbitrary roughness. Numerical simulations are carried out to validate the results and to show the effects of some parameters on the total field. The present formulation permits one to get the near and far field expression of the scattered wave. |
| doi_str_mv | 10.1109/TGRS.2006.870436 |
| format | Article |
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The problem is first reduced to the solution of a Fredholm integral equation of the second kind through the Green's function of the background medium. The integral equation is treated here by an application of the method of moments (MoM). The Green's function of the two-part space with rough interface is obtained by a novel approach which is based on the assumption that the perturbations of the rough surface from a planar one are objects located at both sides of the planar boundary. Such an approach allows one to formulate the problem as a scattering of cylindrical waves from buried cylindrical bodies which is solved by means of MoM. The method is effective for surfaces having a localized and arbitrary roughness. Numerical simulations are carried out to validate the results and to show the effects of some parameters on the total field. 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The problem is first reduced to the solution of a Fredholm integral equation of the second kind through the Green's function of the background medium. The integral equation is treated here by an application of the method of moments (MoM). The Green's function of the two-part space with rough interface is obtained by a novel approach which is based on the assumption that the perturbations of the rough surface from a planar one are objects located at both sides of the planar boundary. Such an approach allows one to formulate the problem as a scattering of cylindrical waves from buried cylindrical bodies which is solved by means of MoM. The method is effective for surfaces having a localized and arbitrary roughness. Numerical simulations are carried out to validate the results and to show the effects of some parameters on the total field. The present formulation permits one to get the near and far field expression of the scattered wave.</description><subject>Applied geophysics</subject><subject>Boundaries</subject><subject>Buried object</subject><subject>Cross sections</subject><subject>Cylindrical bodies</subject><subject>Dielectrics</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Electromagnetic scattering</subject><subject>Electromagnetic waves</subject><subject>Engine cylinders</subject><subject>Exact sciences and technology</subject><subject>Green's functions</subject><subject>Integral equations</subject><subject>Internal geophysics</subject><subject>Mathematical models</subject><subject>Moment methods</subject><subject>Numerical simulation</subject><subject>rough surface</subject><subject>Rough surfaces</subject><subject>Scattering</subject><subject>Studies</subject><subject>Surface roughness</subject><subject>Surface treatment</subject><subject>Two dimensional displays</subject><issn>0196-2892</issn><issn>1558-0644</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqNkc9rFDEYhoMouFbvgpcgWE-zJpOfc5SiVSgU2noOmcyXnZTsZE1mLPvfN8MWCh7EQ0jge74X3jwIvadkSynpvtxd3txuW0LkVivCmXyBNlQI3RDJ-Uu0IbSTTau79jV6U8o9IZQLqjZovJ7wPAIuzs4z5DDtcPIYIrg5p73dTTAHhx_sHyi4P-I-DWF9LTnAgMOELR5t9E05WAf4IcwjjsnZGI84p2U3VqSm-jp8i155Gwu8e7rP0K_v3-4ufjRX15c_L75eNY5TPjdMisF6RaRo6SB67XrmQOi-835ggx8EdYJKXlsx0g9CApf1dNwK1gvGCTtDn0-5h5x-L1Bmsw_FQYx2grQUozWRstZnlTz_J1l_S3PZqf8ACWMtbSv48S_wPi15qnVN1xLaKq1WiJwgl1MpGbw55LC3-WgoMatKs6o0q0pzUllXPj3l2uop-mwnF8rznlJdzV-7fzhxAQCex5JxRRR7BIjXpnc</recordid><startdate>20060601</startdate><enddate>20060601</enddate><creator>Altuncu, Y.</creator><creator>Yapar, A.</creator><creator>Akduman, I.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The problem is first reduced to the solution of a Fredholm integral equation of the second kind through the Green's function of the background medium. The integral equation is treated here by an application of the method of moments (MoM). The Green's function of the two-part space with rough interface is obtained by a novel approach which is based on the assumption that the perturbations of the rough surface from a planar one are objects located at both sides of the planar boundary. Such an approach allows one to formulate the problem as a scattering of cylindrical waves from buried cylindrical bodies which is solved by means of MoM. The method is effective for surfaces having a localized and arbitrary roughness. Numerical simulations are carried out to validate the results and to show the effects of some parameters on the total field. The present formulation permits one to get the near and far field expression of the scattered wave.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TGRS.2006.870436</doi><tpages>9</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied geophysics Boundaries Buried object Cross sections Cylindrical bodies Dielectrics Earth sciences Earth, ocean, space Electromagnetic scattering Electromagnetic waves Engine cylinders Exact sciences and technology Green's functions Integral equations Internal geophysics Mathematical models Moment methods Numerical simulation rough surface Rough surfaces Scattering Studies Surface roughness Surface treatment Two dimensional displays |
| title | On the scattering of electromagnetic waves by bodies buried in a half-space with locally rough interface |
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