. .
λ* (ti) = n(Δti)/NcpiΔti [1/r] | (1.20) |
n(Δti) Δti
Ncpi Δti
Ncpi = (Ni + Ni+1)/2 = Ni n(Δti) / 2
Δti
,
, , ,
3 :
I(0:t1) .
- , .
( ) , .
II(t1:t2) , λ(ti) const.
1000 .
.
III(t2:∞) - λ(t) , t2 , .
. .
.
λ = 21.6 *10-6 [1/r] - .
λ = 3.57*10-6 [1/r] - .
, , .
m Λ (t) = 1 ∑ n(Δti)/Δti m i=1 | (1.21) |
m -
n(Δti) - Δti.
, Λ(t)=const
Λ (t) = ∑ fcpi(t) i=1 | (1.22) |
:
-
fcpi (t) - i
λ .
|
|
λ *(ti)=n(Δti)/[N0-n(ti)] Δti (1/t) - | (1.23) |
λ *(ti)=(n(Δti)/N Δti)/(N0-n(t)/NΔti*Δti) = f*(t)/p*(t) (1.24)
λ (t)= f(t)/p(t) | (1.25) |
1.25
- p(t) ≥ 0.99,
λ (t)≈ f(t)
1% . λ (t) f(t)
t t λ (t) >f(t)
t→∞
1.17 f(t) = -p(t), 1.25 :
λ (t) = -p(t)/p(t) = -(dp(t)/dt)/p(t) = -dp(t) = λ(t)*p(t)dt | (1.26) |
dp(t)- [t;t+dt]
p(t) - [0;t]
λ(t) - [ t;t+dt]