Use a sufficiently high number of display points to avoid misleading results. Use it to reduce relatively small peak-to-peak noise values on broadband measured data. Rather than lowering the noise floor, smoothing finds the mid-value of the data. The smoothing aperture is a percent of the swept stimulus span, up to a maximum of 20%. Smoothing computes each displayed data point based on one sweep only, using a moving average of several adjacent data points for the current sweep.
Smoothing trace Smoothing (similar to video filtering) averages the formatted active channel data over a portion of the displayed trace. IF BW and averaging Heterodyne detection scheme IF BW reduction Averaging Dynamic Range (definition) 2 Rectilinear impedance plane Constant X Z = Zo Constant R L G = 0 Smith Chart maps rectilinear impedance plane onto polar plane (short) (open) Z = 0 Z = L L G G O 0 = 1 O 1 ☑80 = Smith Chart O +jX 90 +R 0 ¥ o + o 180 0 - ¥ 0 -jX o -90 Smith Chart Review.
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