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5.2

5.2

.

1 , . . , .

25, .

R = tmax- tmin, (5.1)

tmax tmin .

n = 1+3.3lnN, (5.2)

N ( ).

7-20 . (5.2), .

, ()

?t =. (5.3)

. , .

, . , .

mi , ?mi, ( ) mi/N ?mi/N .

mi , , .

?mi ?mi/N . ?mi=N ?mi/N=1.

( 5.1).

5.1 ( )

2 :

)

, (5.4)

ti.c ;

)

S = N<25, (5.5)

S = N?25; (5.6)

) S2;

)

? =. (5.7)

3 . ?=0-0,30, ,  ?=0,30-0,80,- , ?=0,80-1,30, - .

4 , .

( )

. (5.8)

S ti. , .

m = fo(x), (5.9)

fo(x) :

fo(x) = , (5.10)

x = = u , (5.11)

u .

u [5].

x , fo(x) [5].

fo(x). (5.12)

( )

f(t) = , (5.13)

a b . b=1 .

b ? [5].

a

a = , (5.14)

b , [5]. a b, .

m = N?tf(t). (5.15)

=?tf(t). (5.16)

f(t) = ?e-?t, (5.17)

? .

(5.15) (5.16).

5 . .

?= Dmax, (5.18)

Dmax= , (5.19)

?mi ?mTi .

?, [5] P(?) . , ??1 P(?) ?0,3.

, .

6 ϳ 򳠠 f(t), P(t), ?(t).

f(t) .

P(t) .

P(t) = 1-Fo(x), (5.20)

Fo(x) , [5].

䒺 x c

Fo(-x)=1-Fo(x). (5.21)

P(t) = . (5.22)

b [5], (5.14).

P(t) = e-?t, (5.23)

.

?(t)

?(t)= . (5.24)



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