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Generates the instantaneous amplitude of an analytic signal given by HilbertTransform
HilbertEnvelope(asig)Instantaneous amplitude
The analytic signal returned by HilbertTransform
Daniel C. Bowman danny.c.bowman@gmail.com
HilbertTransform, InstantaneousFrequency
tt <- seq(1000) * 0.01
sig <- sin(4 * pi * tt) + sin(3.4 * pi * tt)
asig <- HilbertTransform(sig)
env <- HilbertEnvelope(asig)
plot(tt, sig, type = "l")
lines(tt, env, col = "red")
lines(tt, -env, col = "red")
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