Signal Filter

The Signal Filter Function applies a filter to a signal to allow frequencies above or below a certain threshold to pass through while attenuating other frequencies.
The Function implements Butterworth filters and supports three Filter modes:
Low Pass 
All frequencies below the Cutoff Frequency (Low) will be allowed to pass through the filter.
Given a signal with a 10Hz and 20Hz component, a 15Hz cut-off will allow the 10Hz component through, while attenuating the 20Hz component.
High Pass
All frequencies above the Cutoff Frequency (High) will be allowed to pass through the filter.
Given a signal with a 10Hz and 20Hz component, a 15Hz cut-off will allow the 20Hz component through, while attenuating the 10Hz component.
Band Pass
This performs cascading low-pass and high-pass filters. All frequencies between the Cutoff Frequency (Low) and Cutoff Frequency (High) will be allowed to pass through the filter.
Given a signal with a 10Hz, 20Hz, and 30Hz component, a 20Hz cut-off (for both the Low and High) will allow the 20Hz component through, while attenuating the 10Hz and 30Hz components.
Details for an example​ and its configuration can be found in the How to Use section.
Pre-requisites
None at this time
Download
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Signal Filter Function v4.01
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Signal Filter Function v4.01	Request

Next - How to use?

Example

Last modified 4mo ago