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Averaging of noise impedance spectra

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Generally, the noise impedance spectra are relatively noisy and it is useful to average several impedance spectra to obtain a less noisy spectrum. In the screen PSD, the Averaged Impedance graph displays a moving average of a number of spectra. The number of spectra used to calculate the moving average can be selected in the preferences menu.

 

figure8

 

Figure 8.0 Noise Impedance spectra are usually noisy and averaging is required to improve readability.