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envelope

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Find upper and lower envelopes of a given signal

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Find upper and lower envelopes of a given signal

Syntax
[upperenv lowerenv] = envelope(sig, method)

inputs:
sig: vector of the input signal
method: method of interpolation (defined as in interp1)
outputs:
upperenv: upper envelope of the input signal
lowerenv: lower envelope of the input signal

Comments and Ratings (5)

Mark Easton

Works poor on noisy data. Output a linear line of max and min.

leah

leah (view profile)

Elif Hocaoglu

wu

wu (view profile)

M. A. Hopcroft

M. A. Hopcroft (view profile)

MATLAB Release
MATLAB 7.6 (R2008a)
Acknowledgements

Inspired by: Envelope1.1

Inspired: Ringdown

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