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Utilice este identificador para citar o enlazar este documento: https://ria.asturias.es/RIA/handle/123456789/14467


Título: On the Use of an Equivalent Currents-Based Technique to Improve Electromagnetic Imaging
Autores: Alvarez Lopez, Yuri
Las-Heras, Fernando
Palabras Claves: imaging
electromagnetismo
microondas
evaluación no destructiva
inverse scattering
medida de antenas
Fecha Edición: 9-Jun-2022
Editor: the Institute of Electrical and Electronics Engineers
Cita Bibliográfica: Y. Á. López and F. Las-Heras, "On the Use of an Equivalent Currents-Based Technique to Improve Electromagnetic Imaging," in IEEE Transactions on Instrumentation and Measurement, vol. 71, pp. 1-13, 2022, Art no. 8004113, doi: 10.1109/TIM.2022.3181926.
Resumen: Accurate imaging from scattered field measurements is one of the main research topics in the field of non-destructive testing. Different methodologies for inverse scattering have been developed, ranging from backpropagation techniques to full-wave inversion methods. While far-field approaches are valid for the majority of the imaging systems, there are some scenarios where these approaches do not provide accurate modeling of the field radiated by the antennas of the imaging system. This results in some kind of distortion in the resulting output microwave images. To address this issue, proper characterization and modeling of the fields radiated by the antennas are required. This contribution proposes the use of an equivalent currents-based technique to characterize the transmitting and receiving antennas of the imaging sensor. The goal is to calculate accurately the field radiated by these antennas within the imaging domain, using it in the backpropagation algorithm. The methodology described in this contribution is supported by measurements for monostatic and multistatic configurations.
URI: https://ria.asturias.es/RIA/handle/123456789/14467
ISSN: 0018-9456
Aparece en las Colecciones:Ingeniería

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