
1458
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2.?
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5.? .
6.? .
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8.. -
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10..
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11.-
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13.?
14.?
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4.
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1(t);
(t);
x(t).
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– .
y
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W(0) -
, . . p = d/dt = 0.
. 2.23, (2.133) p = d/dt = 0
81
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f (2.134) p = d/dt = 0: |
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, . 2.23 W2(p) W1(p)
( 1). -
f
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WF(p) f.
82
. 2.6, -
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( . . 2.9) , -
v, f = vt, , f = t2/2.
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y , -
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, . 2.23 W2(p) W1(p)
( 1), -
f , . . F = p f. f
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WX(p) WF(p)
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f. WX(p) WF(p) -
f (4.5).
f .
f -
v, -
, . 2.23
kv |
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1/ -
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f -
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83
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1/ 2 -
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K .
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K .
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4.3.
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2 – 3- .
:
tP – ;
t – ;
– ;
– ;
– ;
– .
–
x(t) = 1(t) , -
h(t)
h q. -
q 2 % 5 %
h ( . 4.1).
84

, h = 0 ( -
), q hmax
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tP ( ) -
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– ,
h(t)
x(t) = 1(t) 10 90 % -
h .
h
q
h q
0,9h
0,1h |
t |
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. 4.1.
–
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h h , -
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hmax2 h |
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100 % .
0, -
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85

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h h
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hmax1 h |
100 % . |
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10 %.
h
hmax1
hmax2
h
h
t
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h h ( . 4.2):
1 1 |
hmax 2 |
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h h . |
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86

4.4.
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, , ,
( ) ( . 4.3) ,
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max
(0)
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tP ( . . 4.5).
( . 4.3):
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( ) -
W ( ), , ( ) , -
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± , , , -
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87

-
Re(pi) Im(pi)
pi .
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– – -
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m – –
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Re(pi) :
min |
Re( pi ) |
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(4.13) |
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. 4.4).
Im
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m
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m max |
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m
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m = tg(max| |). |
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m.
4.5.
tP -
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( ), ( ) , . .
tP.
tP -
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t P |
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n ,
t P n |
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Re(pi)
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t P |
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m
e 2 m . |
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89