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Integration Problem with microcontroller-uC

Discussion in 'Electronic Basics' started by Vale_a_pena, Feb 14, 2004.

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  1. Vale_a_pena

    Vale_a_pena Guest

    I want to make a THD monitor with this PIC, but I have a doubt with the
    calculation of the module of each harmonic in the range chosen.

    Can I calculate DTFS (Discrete Time Fourier Series) with some routines at
  2. Jamie

    Jamie Guest

    use you can , some where around here i have some codes to do FFT in a
    micro controller , it may be strange on it so you mite consider using
    a high clock speed and have a good chuck of memory with a good size
    flash rom to hold the Tables.
    use google and search for FFT
    you will find some source code for micro chip examples.
    the FFT will monitor frequency spectrums when inserting 2 tones to
    monitor the HD..
    as far as that is concerned you can make your self an analog
    meter that will generate the 2 tones so that they can be in sync
    to measure the results back into the meter with phasing..
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