n - , :
= k × W1(p) × W2(p) ×... × WK(p), (3.29)
qi - W(p), , ri - W(p), (, ); k=b0/a0.
(3.29) , , . , , .
.
)
x(t) = k× f(t); X(p) = k× F(p); W(p) = X(p)/F(p) = . (3.30)
.3.2. :
)
k× f(t); x(t) = k× ;
X(p) = (k/p)× F(p); W(p) = X(p)/F(p) = k/p , , 1/= - ,
W()=1/ (3.31)
p = 0, .. p1= 0.
.3.3. :
)
x(t) = k× ;
X(p) = k× p× F(p);
W(p) = X(p)/F(p) = k× p=, (3.32)
= .
.3.4.
) ( )
T× + x(t) = 1× f(t);
(T× p + 1)× X(p) = 1× F(p);
W(p) = X(p)/F(p) = 1/(T× p + 1). (3.33)
: T× p + 1 = 0;
p1= -1/T, .
.3.5.
)
, (3.34)
.
.3.6.
)
+ 2x×T0 × + x(t) = 1× f(t);
( × p2+2x×T0× p + 1)× X(p) = 1× F(p);
W(p) = X(p)/F(p) = 1/( × p2+2×zT0× p + 1). (3.35)
.3.7.
× p2+2x×T0× p + 1= 0;
p1,2 = , (3.36)
.. x.
x>1 (. (3.36)) , :
, (3.37)
. (3.38)
.
|
|
0<x < 1
p1,2 = -a jb,
, (3.39)
.. -, .
x = 0
W(p) = 1/( × p2 + 1). (3.40)
× p2+1= 0;
p1,2 = , (3.41)
, .
, .