The Distribution of Useful Frequencies in Polygraph Sensor Channels

• Authors: White Bruce
• Languages of publication: EN

Abstracts

EN

Purpose: to help other polygraph researchers better understand the distribution of energy across diff erent frequencies in the standard six polygraph channels in common use.Th e channels shown will be pneumo, electrodermal (Axciton), cardio cuff pressure, movement sensor, and infrared plethesmo (Axciton). In all cases we use a zero phase high pass filter with a fourth order roll off . Unless otherwise noted, all frequency traces are kept with a constant gain to show their relative energy or strength content.

Keywords

EN

polygraph sensor channels; infrared plethysmo; pneumo; electrodermal; cardio

• Publisher: Krakowska Akademia im. Andrzeja Frycza Modrzewskiego / Oficyna Wydawnicza AFM KAAFM
• Journal: European Polygraph
• Year: 2017
• Volume: 11
• Issue: 4(42)
• Pages: 161-166
• Document type: Article

Contributors

author

White Bruce

Identifiers

DOI

10.1515/ep-2017-0016