Description Usage Arguments Details Value References See Also

Reconstructs signal from a “regularly sampled” ridge, in the wavelet case, from a precomputed kernel.

1 2 |

`siginput` |
input signal. |

`cwtinput` |
wavelet transform, output of |

`phi` |
unsampled ridge. |

`nbnodes` |
number of samples on the ridge |

`noct` |
number of octaves (powers of 2) |

`nvoice` |
number of different scales per octave |

`Q2` |
second term of the reconstruction kernel |

`epsilon` |
coefficient of the |

`w0` |
central frequency of Morlet wavelet |

`plot` |
if set to TRUE, displays original and reconstructed signals |

The computation of the kernel may be time consuming. This function avoids recomputing it if it was computed already.

Returns a list containing:

`sol` |
reconstruction from a ridge. |

`A` |
<wavelets,dualwavelets> matrix. |

`lam` |
coefficients of dual wavelets in reconstructed signal. |

`dualwave` |
array containing the dual wavelets. |

`morvelets` |
array containing the wavelets on sampled ridge. |

`solskel` |
wavelet transform of sol, restricted to the ridge. |

`inputskel` |
wavelet transform of signal, restricted to the ridge. |

`nbnodes` |
number of nodes used for the reconstruction. |

See discussions in the text of “Practical Time-Frequency Analysis”.

`regrec`

, `gregrec`

, `ridrec`

,
`sridrec`

.

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