Sinusoid with Changing Amplitude and Frequency
doppler(x) = sqrt{x(1-x)} sin[(2.1*pi)/(x+0.05)]
data(doppler)
A vector containing 512 observations.
S+WAVELETS.
Bruce, A., and H.-Y. Gao (1996) Applied Wavelet Analysis with S-PLUS, Springer: New York.
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