Chapter 6 Operations and Measurements RIGOL
MSO4000/DS4000 User’s Guide 6-29
the number of points being measured.
9. Vrms-1: the root mean square value of the voltage values of the waveform
points within a single period. The operation formula is as shown in the formula
above.
10. Overshoot: the ratio of the difference of the maximum value and top value of
the waveform to the amplitude value.
11. Preshoot: the ratio of the difference of the base value and minimum value of
the waveform to the amplitude value.
Area Parameters
1. Area: the horizontal axis denotes time and the vertical axis denotes waveform
amplitude. The oscilloscope calculates the area (namely the integral of the time
and amplitude) of the waveform. The unit is volt-second. The area of the
waveform above the zero reference (namely the vertical offset) is positive and
the area of the waveform below the zero reference is negative. The area
measured is the algebraic sum of the area of the waveform within the current
measurement range.
2. Per.Area: period area; the horizontal axis denotes time and the vertical axis
denotes waveform amplitude. The oscilloscope calculates the area (namely the
product of time times amplitude) of a single period of waveform. The units are
volt-second. The area of the waveform above the zero reference (namely the
vertical offset) is positive and the area of the waveform below the zero
reference is negative. The area measured is the algebraic sum of the area of the
single period waveform.
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