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The method of determining the single oscillation frequency has been proposed. This method is effective at short duration of time-domain signal and at high noise level. The method has been used to analyze the quasi-resonance effect in the open resonance structure formed by the plane-parallel mirrors.
The Prony's method realization in the presence of pulse noise has been examined. The developed method of minimizing the functional of quasi-duration for linear prediction coefficients to determine the frequency and damping factor of the signal distorted with the mixture of impulse and Gaussian noise have demonstrated its advantages over traditional Prony's method even after elimination of pulses.
The analysis of the natural frequency and estimation of Q-factor of the open resonator by means of fractional-rational approximation of the reflection response has been considered. An advantage of the proposed technique in comparison with the classical methods has been demonstrated. Dependence of Q-factor of the shielded half-disk dielectric resonator and estimations of the poles and the zeros of...
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