The effects of lumber seasonal growth rings on microwave measurements

W. S. Holmes, M. Bogosanović, G. Emms, S. C. Mukhopadhyay

Research output: Contribution to journalArticle


In order to determine more accurate indicators of wood structure obtained by microwave sensing and improve our understanding of plane wave propagation through this complex material, we have undertaken a permittivity survey and experimentally investigated scattering of a plane wave, measuring its transmission over two non-parallel surfaces of a rectangular lumber sample. This novel non-destructive testing technique offers results which may significantly contribute in a more accurate propagation modeling and industrial wood quality testing.

Original languageEnglish
Pages (from-to)1980-1996
Number of pages17
JournalInternational Journal on Smart Sensing and Intelligent Systems
Issue number4
Publication statusPublished - 2014
Externally publishedYes


  • Free-space transmission measurement
  • Microwave
  • Non-destructive testing
  • Wood

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