In this chapter, both closed and open resonant cavities are discussed. The closed type is mainly used for permittivity measurement. The open type is more used for NDT, and one particular application for the thickness measurement of the coatings on composites is elaborated.

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Resonant Cavity Methods

  • Zhen Li

摘要

In this chapter, both closed and open resonant cavities are discussed. The closed type is mainly used for permittivity measurement. The open type is more used for NDT, and one particular application for the thickness measurement of the coatings on composites is elaborated.