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zzzF
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λ
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=
p3
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0
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ü ),σ=20( D
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n
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dt
dP
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n
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b
n
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n
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0
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n
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n
n
tEtnP
dt
dE
μλμλ
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)()1(
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1
2
1
1
1
1
tPn
tPnn
tPnn
dt
dE
n
n
n
n
n
n




=

=
+

=
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++
=
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μ
λ


=
=
1
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n
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=
=
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n
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n
dt
dE
n+1=k
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1
tPkk
k
k∑

=
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nE
tE
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= μλ
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rt
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0
r ~ 9éà
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0
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1
2
tEtPntD
n
n
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=
X(t)¥Zμ
E(t)-σ(t)
r ~
ü (9é
q
E(t)+σ(t)
E
t0
n
0
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)()(
0
+
=
tt
eentD
μλμλ
μλ
μλ
X(t)vá E(t)±2σ(t) S?
=
σ (t) ~ (Zμ
λ-μ = r ↑→ D(t)↑ λ,μ↑→ D(t)↑
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