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Volt-ampere nonlinearity is the origin of passive intermodulation, which means electric field-magnetic field nonlinear behavior of device or structure. Although DC nonlinear measurement is easier, it is not applicable to microwave frequency bands. This paper proposes a method to calculate the non-linear parameters of passive intermodulation, a non-linear parameter calculation method based on multi-state measurement. It is a universal method to measure nonlinear characteristic parameters of passive intermodulation. Then, we measure and calculate the non-linear parameters of passive intermodulation by the undetermined coefficients method and derive the third-order passive intermodulation expression.
Xuefei Yang,Yinghong Li, andBin Liu
"Analysis of resonance influence of capacitor voltage transformer and protective measures", Proc. SPIE 11767, 2020 International Conference on Optoelectronic Materials and Devices, 117671B (26 January 2021); https://doi.org/10.1117/12.2592250
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Xuefei Yang, Yinghong Li, Bin Liu, "Analysis of resonance influence of capacitor voltage transformer and protective measures," Proc. SPIE 11767, 2020 International Conference on Optoelectronic Materials and Devices, 117671B (26 January 2021); https://doi.org/10.1117/12.2592250