View source: R/FUNCTION-deconv.R

deconv | R Documentation |

Wiener Deconvolution through Fast Fourier Transform.

```
deconv(x, y, index, dt, pt = 0.2, wiener = TRUE)
```

`x` |
Time series that needs to be deconvolved. |

`y` |
Green function/Impulse response function. |

`index` |
index in the impulse response function that corresponds to the deposition time. |

`dt` |
time resolution for the input series. |

`pt` |
Cosine-tapered window parameter: pt is the percent of the data series tapered (choose 0-1). When pt=1, this is equivalent to a Hann taper. |

`wiener` |
Apply Wiener filter? (T or F) |

function 'deconv' is used by function 'unbioturb'. A cosine taper is applied to remove edge effects. The signal-to-noise ratio is chosen to be 0.05, and gamma is also chosen to be 0.05. x and y do not need to be of the same length. For additional information see Liu et al. (2021)

z deconvolved/un-bioturbed series. length(z) = length(x)

Liu, H., Meyers, S.R., and Marcott, S.A., 2021, *Unmixing dee-sea paleoclimate records: A study on bioturbation effects through convolution and deconvolution*, Earth and Planetary Science Letters, 564, 116883.

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