Appendix 2 How To Calculate The Area Of A Waveform - YOKOGAWA DL7440 User Manual

Appendix 2 How to Calculate the Area of a
App-12
Waveform
Int1TY
Total Area for Positive Side Only: S
S
2
S
1
Int2TY
Total Area for both Positive and Negative Sides: S
S
3
S
1
S
2
Int1XY
(1) Multiple Loops
S
0
Start Point,
Stop Point
(3) Loop Tracing a Figure-Eight
S
1
S
0
Start Point
Stop Point
+S
1 2
+S –S
1 3 2
(2) Non-Closed Curve
Area S= n×S
0
n: Number of Loops
Start Point
Waveform
(4) Spiral Loop
Area S= | S – S |
0 1
Start
Point
Area S= S
0
Area Enclosed by
a Curve Connecting
S
0
the Start and Stop
Points
Stop Point
Area S= S ×2+S
0
S
1
Number of Overlaps
Varies According to
S
0
the Number of Loops.
Stop Point
1
IM 701450-01E