File:ADV fft length.png: Revision history

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10 July 2022

  • curprev 21:0221:02, 10 July 2022‎ CynthiaBluteau talk contribs‎ m 829 bytes −3‎ →‎Summary
  • curprev 20:5920:59, 10 July 2022‎ CynthiaBluteau talk contribs‎ 832 bytes +832‎ Contours represent the log of the fft-length required to resolve the non-dimensional wavenumber [rad/m] indicated in each panel's title. The contours are plotted as a function of <math>\varepsilon</math> and speed past the sensor u. The fft-length controls the lowest frequency that is resolved by the spectra. The bottom panel (c) shows the fft-length that begins to resolve the viscous subrange i.e., the end of the inertial subrange. The middle panel shows the fft-length to resolve 1 decade'...
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