YOKOGAWA DLM3024 - Appendix

App-1
IM DLM3054-01EN
Appendix
Appendix 1 How to Calculate the Area of a Waveform
IntegTY+
Area under the positive parts: S1 + S2
S
1
S
2
IntegTY
Area under the positive parts – area under the negative parts: S1 + S3 − S2
S
1
S
3
S
2
Integ for XY Display
Open
When Each Y Data Poi nt Cor r esponds to a Si ngl e X Data Poi nt
(1) (3)
Start point
End point
S
0
Area S = S
0
X-axis (Y = 0)
X-axis (Y = 0)
Area S = –S0
End point
Start point
S
0
(2) (4)
End point
Start point
S
0
Area S = S0 – S1
X-axis (Y = 0)
X-axis (Y = 0)
Area S = S
0
Start point
End point
S
0
When the Waveform Extends into the
Negative Side
X-axis (Y = 0)
S
0
S
1
Start point
End point
When Multiple Y Data Corresponds
to X Data
X-axis (Y = 0)
S
0
Start point
End point
Area S = S
0
X-axis (Y = 0)
S
0
End point
Start point
Area S = S0 + 2 × S1 + S2
S
1
S
2
Area S = –S0