Transcription of Frequency Domain Using Excel - Tao Xing
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Frequency Domain Using Excel - Tao Xing
San Francisco State University School of Engineering Frequency Domain Using Excel by Larry Klingenberg April 2005 Introduction: Waveforms plotted in Excel generally show the magnitude (Y-axis) versus time (X-axis). (See Figure 1, Data in Time Domain .) Knowing the period T of the waveform, the Frequency can be calculated. Amplitude vs Frequency324 Hz02040608010012014005001000150020002500 Frequency (Hz)amplitudeFigure 2: Data in Frequency DomainFigure 1: Data in Time ms-150-100-50050100150202122232425262728 2930 Time (ms)Amplitude (units) Frequency =324 Hzperiod = ms Sometimes experiments call for the harmonic content of a reproduced waveform. The harmonic content is a display of the magnitude of the waveform (Y-axis) versus the Frequency (X-axis). This is sometimes called the Frequency spectrum and it allows you to visualize a waveform according to its Frequency content (see Figure 2, Data in Frequency Domain ).
San Francisco State University School of Engineering Frequency Domain Using Excel by Larry Klingenberg April 2005 Introduction: Waveforms plotted in Excel generally show the magnitude (Y-axis) versus time (X-axis).
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