Description Usage Arguments Value Author(s) References
View source: R/PublicationSNR.R
Internal function to produce the final DML and WAIS spectra (signal, noise, SNR) used for Figs. (3) and (4) in Münch and Laepple (2018). The DML spectra are a combination of the results from the DML1 and DML2 data sets.
1 | PublicationSNR(spec, dml.knit.f = 0.1, df.log = 0.125)
|
spec |
output from |
dml.knit.f |
frequency at which to combine the spectra from the DML1
and DML2 data sets (defaults to 1/10 yr^(-1)); DML2 spectra are used for
lower frequencies than |
df.log |
width of Gaussian kernel in logarithmic frequency units for
additional smoothing for visual purposes; |
A list with the components dml
and wais
, where each is
a list containing three elements of class "spec"
and one numeric
vector:
signal
:the signal spectrum.
noise
:the noise spectrum.
snr
:the frequency-dependent signal-to-noise ratio.
f.cutoff
:a two-element vector with the index and value of the cutoff frequency from constraining the diffusion correction.
Thomas Münch
Münch, T. and Laepple, T.: What climate signal is contained in decadal- to centennial-scale isotope variations from Antarctic ice cores? Clim. Past, 14, 2053–2070, https://doi.org/10.5194/cp-14-2053-2018, 2018.
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