Ringdown

バージョン 1.2.0.0 (175 KB) 作成者: M. A. Hopcroft
Ringdown.m determines the resonator frequency and Q from a ringdown measurement.
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更新 2011/11/19

ライセンスの表示

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.

引用

M. A. Hopcroft (2024). Ringdown (https://www.mathworks.com/matlabcentral/fileexchange/27938-ringdown), MATLAB Central File Exchange. 取得済み .

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作成: R2009a
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ringdown21/

バージョン 公開済み リリース ノート
1.2.0.0

v2.1: Several important bugfixes and improvements.
1.1.0.0

included example data file
1.0.0.0