wavethresh (version 4.6.9)

doppler: Evaluate the Donoho and Johnstone Doppler signal.

Description

This function evaluates and returns the Doppler signal from Donoho and Johnstone, (1994).

Usage

doppler(t)

Arguments

t

The domain of the Doppler function (where you wish to evaluate this Doppler function

Value

A vector of the same length as the input vector containing the Doppler signal at t

Details

This function evaluates and returns the Doppler signal from Donoho and Johnstone, (1994). (Donoho, D.L. and Johnstone, I.M. (1994), Ideal spatial adaptation by wavelet shrinkage. Biometrika, 81, 425--455).

Another version of this function can be found in DJ.EX.

See Also

DJ.EX

Examples

# NOT RUN {
#
# Evalute the Doppler signal at 100 arbitrarily spaced points.
#
tt <- sort(runif(100))
dopp <- doppler(tt)
# }
# NOT RUN {
plot(tt, dopp, type="l")
# }