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Analysis Help
Parameter: Rectify before filtering

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Full name: Full-wave rectify signal before filtering it
Parameter type: Y or N
Initial value: N

Affects: Filter operation

To obtain the linear envelope of a signal, you have to full-wave rectify the signal, then low-pass filter it with a relatively low cutoff frequency. To do this, enable this option, set the "Rectifier baseline" parameter, and the filtering parameters.

 

Key sequence  Parameter Initial Value
<Esc>MFR  Rectify before filtering  N

 

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