RHUL Physics Department TWiki> PP/JAI Web>RFLab>BeamPosition>ClicBpm>ClicNaff (03 Nov 2014, JackTowler)

This is a method of measuring the frequency with higher resolution than with just a standard discrete fourier transform:

which is at maximum amplitude for resonant frequency . Numerical analysis can be performed about the resonant frequencies measured by the fourier transform:

where f is in the range . The frequency for which, this is a maximum is a more precise measure of the resonant frequency than with the fourier transform alone.

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Topic revision: r4 - 03 Nov 2014 - JackTowler

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