The effects of lumber seasonal growth rings on microwave measurements

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

Research output: Contribution to journalArticlepeer-review


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 - Dec 2014
Externally publishedYes


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


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