• DocumentCode
    1210296
  • Title

    Phase-Locked Loop Measurement of Sarcomere Length with High Time Resolution

  • Author

    Myers, J. ; Tirosh, R. ; Jacobson, R.C. ; Pollack, G.H.

  • Author_Institution
    Department of Anesthesiology, Division of Bioengineering, University of Washington
  • Issue
    6
  • fYear
    1982
  • fDate
    6/1/1982 12:00:00 AM
  • Firstpage
    463
  • Lastpage
    466
  • Abstract
    A method for making high-speed measurements of sarcomere length directly from the muscle striation image is presented. A phase-locked loop is used with a self-scanned photodiode array to measure the spatial frequency of the striation pattern. Computation circuitry converts frequency to sarcomere length. The sarcomere length output has a resolution better than 2 nm at a sample rate of once every 250¿s.
  • Keywords
    Circuits; Frequency measurement; Length measurement; Muscles; Phase locked loops; Phase measurement; Phased arrays; Photodiodes; Spatial resolution; Time measurement; Animals; Electronics, Medical; Microscopy; Myofibrils; Regression Analysis;
  • fLanguage
    English
  • Journal_Title
    Biomedical Engineering, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9294
  • Type

    jour

  • DOI
    10.1109/TBME.1982.324975
  • Filename
    4121445