YOKOGAWA DL750 User Manual page 681

Appendix 3 How to Calculate the Area of a Waveform
App-8
Integ2XY
(1) When Only One Y Data Corresponds to X Data
1
Start Point
S
0
2
Stop Point
S
0
(2) When the Waveform Extends into the Negative Side
Start Point
S
0
(2) When Two or more Y Data Correspond to X Data
Start Point
S
0
3
Stop Point
Area S=S
0
Start Point
X Axis (Y=0)
4
Start Point
Area S= –S
0
Stop Point
X axis (Y=0)
X Axis (Y=0)
S
1
Area S=S –S
0 1
Stop Point
Start Point
Area S=S
0
Stop Point
X Axis (Y=0)
X Axis (Y=0)
Area S= –S
0
S
0
Stop Point
X Axis (Y=0)
Area S=S
0
S
0
Start Point
S
0
Stop
Point
S
1
Area S=S +2×S +S
0 1 2
S
2
X Axis (Y=0)
IM 701210-06E