Ringdown

Ringdown.m determines the resonator frequency and Q from a ringdown measurement.

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A "ringdown" experiment records the amplitude of a resonator as it decays under the influence of the damping in the system, without any external input. Ringdown.m analyzes a data set from a resonator ringdown measurement and determines the resonator frequency and Q using different methods. An FFT is used to estimate the resonance frequency, and an exponential fit to the signal envelope is used to determine the Q. Finally, a minimum-search fit to the data set is performed to provide a second estimate of both values.

Citar como

M. A. Hopcroft (2026). Ringdown (https://la.mathworks.com/matlabcentral/fileexchange/27938-ringdown), MATLAB Central File Exchange. Recuperado .

Agradecimientos

Inspirado por: crossing, envelope

Categorías

Más información sobre Signal Processing Toolbox en Help Center y MATLAB Answers.

Información general

Compatibilidad con la versión de MATLAB

  • Compatible con cualquier versión

Compatibilidad con las plataformas

  • Windows
  • macOS
  • Linux
Versión Publicado Notas de la versión Action
1.2.0.0

v2.1: Several important bugfixes and improvements.

1.1.0.0

included example data file

1.0.0.0