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The advantages of the application of coupled biconical resonators for measurement of coaxial metal-dielectric structure in microwave range are demonstrated. The particularity of the approach is the use of one of coupled resonators as reference one and another for placing specimen that provides possibility to measure difference between corresponding resonance frequencies and the ratio of frequency...
Results of metal plate reflection coefficient estimation using experimental data obtained under variation of the distance between object and the aperture plane of measuring antenna in the form of a pyramidal horn with application of 3-probe meter and neural network for calibration are presented. Parametric spectral analysis in sliding windows was applied.
The paper discusses the problem of determining the parameters of closely spaced resonances. The overlapping ratio was introduced for estimation of the degree of the resonance peaks overlapping and analysis of its dependence against the width and magnitude of the peaks. The dependence of the error of poles estimation against the degree of resonance peaks overlapping was examined. The limits of applicability...
The paper discusses the use of a fractional-rational approximation for estimation of the parameters of resonant oscillations if resonance frequencies are situated rather close with substantial overlapping. Limits of applicability of the method of fractional-rational approximation by continued fractions have been determined for two closely spaced resonances in presence noise.
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