Multiple loaded scatterer method for E-field mapping applications

Mohamed A. Abou-Khousa; Reza Zoughi

doi:10.1109/TAP.2009.2039302

Multiple loaded scatterer method for E-field mapping applications

Mohamed A. Abou-Khousa, Reza Zoughi

Electrical Engineering

Missouri U. of Science and Techn.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Spatial mapping of electric field distribution is an important objective in many applications including antenna pattern, radar cross-section, and specific absorption rate measurements. Modulated scatterer technique (MST) based on small loaded dipoles has been successfully used for these purposes for many years. However, MST suffers from several inherent limitations. These limitations become more severe as the frequency increases. This paper introduces a new and efficient method based on a multiple loaded scatterer (MLS) approach. The proposed method allows for accurate recovery of an unknown incident electric field with measurements conducted at a single observation point. The formulation of the MLS method along with several key simulation results illustrating its efficacy for electric field distribution measurement is presented. In addition, the results of several comparisons with conventional MST are also provided.

Original language	British English
Article number	5361414
Pages (from-to)	900-907
Number of pages	8
Journal	IEEE Transactions on Antennas and Propagation
Volume	58
Issue number	3
DOIs	https://doi.org/10.1109/TAP.2009.2039302
State	Published - Mar 2010

Keywords

Electric field mapping
Modulated scatterer technique (MST)
Multiple loaded scatterer (MLS)
PIN diode

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10.1109/TAP.2009.2039302

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AB - Spatial mapping of electric field distribution is an important objective in many applications including antenna pattern, radar cross-section, and specific absorption rate measurements. Modulated scatterer technique (MST) based on small loaded dipoles has been successfully used for these purposes for many years. However, MST suffers from several inherent limitations. These limitations become more severe as the frequency increases. This paper introduces a new and efficient method based on a multiple loaded scatterer (MLS) approach. The proposed method allows for accurate recovery of an unknown incident electric field with measurements conducted at a single observation point. The formulation of the MLS method along with several key simulation results illustrating its efficacy for electric field distribution measurement is presented. In addition, the results of several comparisons with conventional MST are also provided.

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Multiple loaded scatterer method for E-field mapping applications

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