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Fundamentals of dielectric properties measurements and agricultural applications
1U. S. Department of Agriculture, Agricultural Research Service, Athens, GA 30604-5677, USA.
Abstract:
Dielectrics and dielectric properties are defined generally and dielectric measurement methods and equipment are described for various frequency ranges from audio frequencies through microwave frequencies. These include impedance and admittance bridges, resonant frequency, transmission-line, and free-space methods in the frequency domain and time-domain and broadband techniques. Many references are cited describing methods in detail and giving sources of dielectric properties data. Finally a few applications for such data are presented and sources of tabulated and dielectric properties data bases are identified.
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