, " -- 0511".
, , , .
:
. (1)
N Y . - N=0, MY=0, (1) :
. (2)
"-" (2) >0, "+" <0. (2) () .
, . , ,
(3)
[1] , τ .1.
.1 .2 .3
. 2. 3 .
, .2, τ0. , τ, τ . 0, .
, .3, , , ,
.
, τ1+ τ2, . , τω, σω, . - ω, 0 =0+ω, .
(2), (3) , , , QY, Mω, M0, . , b .