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Biomedical applications for frequency filters

  1. Aug 15, 2011 #1
    1. The problem statement, all variables and given/known data

    Hi what are some biomedical applications for
    - low pass filter
    - high pass filter
    - band pass filter
    - band stop filter

    2. Relevant equations


    3. The attempt at a solution

    filtering out high frequency noise? eg. handphone signals
  2. jcsd
  3. Aug 15, 2011 #2


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    Staff: Mentor

    Filtering high frequency noise is definitely a valid use. Which filter type(s) could be used for that?

    What are typical biomedical monitoring applications? What are typical biomedical sensors? What types (and frequency) signals do each monitor?
  4. Aug 27, 2011 #3

    I asked this question on the Electronics board but was asked to post it here... It is not really a homework question but a general enquiry.. I am barely one year into my course and have no idea on biomedical applications for filters. I searched on Google but can't find anything much except preview abstracts from papers (pay to read).. so I really need help on this, it is not really a major component but it helps to be prepared because this area is not mentioned in any of my textbooks. Thanks!
  5. Aug 29, 2011 #4
    any help?
  6. Aug 29, 2011 #5


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    Staff: Mentor

    When you read about various sensor modalities, like EKG (EGC), EMG, EEG, Ultrasonic imaging, nuclear magnetic resonance imaging, etc., what signal bandwidths are discussed? What filtering ramifications do you see coming from that....?

    EDIT -- And what are some common sources of noise for each of those sensors? What kind of filtering would be most effective given the signal and noise characteristics?
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