Power Spectrum Measurements

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Power Spectrum Windowing

After the power spectrum is plotted, the type of windowing applied to the FFT calculation can be changed. WinDaq Waveform Browser supports four window types: Bartlett, Hanning, Hamming and Blackman. The window applied is changed by:


  In the Transform menu click on Windowed FFT….


   Choosing Transform Windowed FFT… (ALT, T, W).


This displays the FFT Window Type, Size, and Averaging dialog box, from which you simply select a different window and activate the OK command button. The window designator is always displayed in the analysis reporting area as follows: