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PoddedWavelet

oxiphysics_core::wavelets

Struct PoddedWavelet 

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pub struct PoddedWavelet;
Expand description

Physics-specific wavelet-based analysis tools.

Provides turbulence spectrum estimation, shock detection, and intermittency measurement using wavelet methods.

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impl PoddedWavelet

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pub fn turbulence_spectrum_wavelet( velocity_field: &[f64], dt: f64, ) -> Vec<(f64, f64)>

Estimate the turbulence energy spectrum from a velocity field using the Haar DWT.

Returns a list of (frequency, energy) pairs, one per DWT level. dt is the sampling interval.

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pub fn shock_detection(signal: &[f64], threshold: f64) -> Vec<usize>

Detect discontinuities (shocks) in a signal using first-difference magnitudes as a simple multi-scale shock indicator.

Returns the sample indices where the absolute first difference |signal[i+1] - signal[i]| exceeds threshold.

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pub fn intermittency_measure(signal: &[f64], scale: f64) -> f64

Compute a wavelet-based intermittency measure at scale scale.

Returns the kurtosis of the wavelet coefficients at the given scale, normalized so that a Gaussian signal returns 0.

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