EasyScopeIII for DS60M10 User Guide
Version 1.3
Document Reference No.: CP_000037 Clearance No.: CP#027
Copyright © Connective Peripherals Pte Ltd
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Blackman-Harris
Blackman-Harris window function is a good general purpose window, having side lobe rejection in the
high 90s dB and having moderately wide main lobe.
Hamming
Window is optimized to minimize the maximum side lobe, giving it a height of about one-fifth of the Hann
window.
Hanning
Hannning window function is useful for noise measurements where better frequency resolution than some
of the other windows is desired but moderate side lobes do not present a problem.
Parzen
Parzen window is an approach to estimate densities assuming that region is a dimensional hypercube.
Welch
An improvement of the standard periodogram spectrum estimating method, it reduces noise in the
estimated power spectra in exchange of reducing the frequency resolution.
3.3.10.7
Spectrum Menu
The FFT screen display can be changed to use a number of different ways of scaling the Y-axis through
the spectrum menu.
The available scaling options are Power (V2), Magnitude (mV) and Phase (Rad) as shown in the figure
below.
The default spectrum is Magnitude.
3.3.11
Meter A and Meter B
The "Meter A" and "Meter B" buttons display small panels as shown below showing six measurements of
the data displayed at that time for each channel. The available measurements are:
Mean Voltage
True RMS Voltage
Peak to Peak Voltage
Minimum Voltage
Maximum Voltage
Frequency.
