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    TE field integration for electromagnetic sensors

    Woodhead, Ian M.; Platt, Ian G.
    Abstract
    The use of time domain reflectometry (TDR) techniques for measuring the moisture content of composite materials is a mature art but usually assumes homogeneity of the material in the transverse plane. As the basis of a forward solution to TDR imaging, we describe an integral equation approach to model the response of the TDR system to a lossless heterogeneous dielectric body. Then, in conjunction with a suitable dielectric model of the composite material, the TDR response to moisture content distribution may be quantified. Several methods for integrating the transverse electromagnetic field between the transmission line rods were compared and a method combining a priori information with linear interpolation provided the most consistent integration for three different permittivity distributions. A self-consistency approach was used to compare the modelled propagation velocity with that expected from transmission line theory.... [Show full abstract]
    Keywords
    TDR; heterogeneous; dielectric; imaging; interpolation
    Fields of Research
    01 Mathematical Sciences
    Date
    2005-11
    Type
    Conference Contribution - Published (Conference Paper)
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    • Lincoln Ventures [81]
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    Copyright © International Conference on Sensing Technology
    Citation
    Woodhead, I., & Platt, I. (2005). TE field integration for electromagnetic sensors. In G. Sen Gupta, S.C. Mukhopadhyay & C.H. Messom (Eds.), Proceedings of the First International Conference on Sensing Technology, November 21-23, 2005 (pp. 578-584). Palmerston North, New Zealand.
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