RSEIS: envelope – R documentation

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envelope

Envelope Function with Hilbert Transform

Envelope Function with Hilbert Transform

envelope(x)

`x`	signal vector

Uses the hilbert transform to get the envelope function.

vector of the absolute of the hilbert transform

Jonathan M. Lees<jonathan.lees.edu>

data(CE1)
ev <- envelope(CE1$y)
plot(CE1$x, CE1$y, type='l')
lines(CE1$x,ev, col='red')

Seismic Time Series Analysis Tools

v3.9-3

GPL (>= 2)

Authors

Jonathan M. Lees [aut, cre], Jake Anderson [ctb], Leonard Lisapaly [ctb], Dave Harris [aut, cph]

Initial release

2020-08-25