- 4


m m

S 1/(N ni1) S Xi 2 /2 = 0

i =1 i =1

m

n/c S (N ni1 ) Xi 2 / 2 = 0

i =1

T :

M = Nm;

MT = (p / (2 ( Nm) c) ) 1/2 ;

Nm

E (Tp) = S (p / (2 i c)) 1/2 ,

i=1

Nm

Var (Tp) = S ( (2 p /2) / i c );

i=1

:

R

( t) = exp ((Nm) ct2 /2) , t ³ 0.

, {M(t), t³0} l(t), t.

. , . . , , .

: