Ringdown 1.0

Date Added: July 18, 2013 | Visits: 273

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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.

Requirements: No special requirements

Platforms: Matlab

Keyword: Envelope, Estimate, Exponential, Frequency, Methods, Provide, Resonance, Signal

Users rating: 0/10

License: Shareware

Size: 174.08 KB

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