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Evolve top and bottom envelopes for time signals i.e.


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Evolve top and bottom envelopes for time signals i.e.



19 May 2010 (Updated )

Envelope with secant-method

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Function call: env_secant(x_data, y_data, view, side)
Calculates an envelope of data <y_data> over <x_data>.
Method used: 'secant-method'
env_secant() observates the max. slope of every about <view> points from last junction point, and joints them to the resulting envelope.
An interpolation over original x-values is finally done.
<side> ('top' or 'bottom') defines which side to evolve.

MATLAB release MATLAB 7.9 (R2009b)
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Comments and Ratings (7)
16 Nov 2014 Joan  
25 Mar 2014 Dennis A. Dean, II, Ph.D.  
12 Aug 2013 Mircea Stoica  
31 Jul 2013 Holger  
06 Apr 2012 Fadi  
31 Jan 2011 Konstantin  
20 May 2010 Wojciech Kramarczuk  
26 Oct 2011

Small speed improvements

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