Chapter 1 Outline
1-26
Dual Dirac Estimation
If the jitter elements include DJ, the histogram has multiple peaks at the
waveform cross point. Dual Dirac Estimation is a method to estimate RJ
and DJ using Dual Dirac function as the fitting curve of this histogram.
Figure 1.5-7 Histogram of Jitter with DJ
The Dual Dirac distribution is expressed as the combined formula of two
normal distributions.
2
2
2
2
2
)(
exp
2
)(
exp
2
1
)(
RL
xx
xPDF
Figure 1.5-8 Dual Dirac Distribution
µ
L
µ
R
σ
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