Equipment for the determination of dielectric properties of vegetable tissue during its mechanical loading
2007
Sobotka, J.,Ceska Zemedelska Univ., Prague (Czech Republic). Technicka Fakulta | Krejci, J.,Ceska Zemedelska Univ., Prague (Czech Republic). Technicka Fakulta | Blahovec, J.,Ceska Zemedelska Univ., Prague (Czech Republic). Technicka Fakulta
An experimental equipment enabling to detect the impedance of vegetable tissues during their compression between two plates is presented in this paper. The equipment determines the sample impedance from a direct measurement of three voltages in a circuit containing the tested specimen. The equipment is able to analyse the specimen properties at more than ten different frequencies up to 1 MHz. Formulas for calculating real and imaginary components of the relative permittivity are also described.
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