A METHOD FOR THE MEASUREMENT OF CONDUCTIVITY OF METAL AT MICROWAVE FREQUENCY

S K CHATTERJEE, RAMDAS SHENOY, RAMA BHAI

Abstract


A theory for a new method of determining the conductivities of metals at microwave frequencies from the measurements of reflection co-efficients has been worked with the help of field equations. An expression for the reflection coefficient in terms of voltage standing wave ratio,attenuation constant, scattering coefficient of any waveguide discon-tinuity present in the system and phase factors has been derived, The values of conductivity for several metals obtained by this method agree well with the values obtained by other existing methods.

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