dampen_vec | R Documentation |
Applies an exponential dampening input time series with specified time scale.
dampen_vec(vec, tau)
vec |
A numeric vector for the time series of a daily meteorological
variable used as input for |
tau |
The time scale of dampening (e-folding time scale of a perturbation). Must be smaller or equal to 365 d. |
A numeric vector of equal length as x
with damped variation.
The dampening is calculated as:
S(t+1) - S(t) = (X(t+1) - S(t)) / τ
Where X is the daily varying time series given by argument x
,
S is the dampened time returned by this function, and τ is
the decay time scale of a perturbation, given by argument tau
.
## Not run: dampen_vec( vec = 20 * (sin(doy*pi/(365)))^2 + rnorm(365, mean = 0, sd = 5), tau = 40 ) ## End(Not run)
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