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Chemistry LibreTexts

Signals and Noise/DAQ Lab

General Signal and Noise references:

http://terpconnect.umd.edu/~toh/spectrum/TOC.html

http://terpconnect.umd.edu/~toh/spectrum/SignalsAndNoise.html

http://www.asdlib.org/onlineArticles/ecourseware/Petrovic/signals_noise1.htm

  1. Be able to explain what the S/N ratio represents; know how to calculate it, and how the relative ratio can be increased.

    http://www.asdlib.org/onlineArticles/ecourseware/Petrovic/signals_noise1.htm

  2. Know the five types of noise and characteristics in which to reduce noise.

    http://www.asdlib.org/onlineArticles/ecourseware/Spudich/SIGNALSANDNOISE.ppt

  3. Discuss ways to improve the S/N ratio both via analog and digital signal processing. Be able to use the ensemble averaging formula to determine the number of scans needed to improve the S/N ratio by a known numerical amount.

    http://www.asdlib.org/onlineArticles/ecourseware/Petrovic/signals_noise21.htm

  4. Be able to discuss potential problems associated with signal processing.

    http://www.ee.buffalo.edu/faculty/paololiu/edtech/roaldi/tutorials/labview.htm

http://www.asdlib.org/onlineArticles/elabware/Scheeline_ADC/ADC_visual/why%20digitize1.html