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Unformatted text preview: We use computers instead of oscilloscope Problem: Digital take discreet sample, real life is analog (continuous event) Solution: take more samples closer to reality Powerlab has A to D converter Electrical noise Filter to get rid of noise 1.) Band pass speakers 2.) AC Couple sets nonchanging or slowly changing signals to zero 3.) DC Couple allow signal through unchanged Use: AC couple fast events (Action potentials) DC couple slow events (transducers) Grounding to reduce noise Advantages: 1.) Decreases stimulus artifact 2.) Decreases noise less noise...
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This note was uploaded on 07/21/2008 for the course BIPN 105 taught by Professor Armour during the Winter '08 term at UCSD.
- Winter '08