Материал: 1458
, h = 0 ( -
), q hmax
.
tP ( ) -
.
– ,
h(t)
x(t) = 1(t) 10 90 % -
h .
h
q
h 
q
0,9h 
0,1h |
t |
|
t |
t |
. 4.1.
–
-
h h , -
( . 4.2):
|
hmax2 h |
100 % . |
(4.8) |
|
|||
|
hmax1 h |
|
|
, -
0 99 %. -
100 % .
0, -
. -
, -
.
85
–
-
h h
, ( . 4.2):
|
hmax1 h |
100 % . |
(4.9) |
|
|||
|
h |
|
|
,
10 %.
h
hmax1
hmax2
h
h
t
. 4.2. ,
–
, . .
-
h h ( . 4.2):
1 1 |
hmax 2 |
h |
. |
(4.10) |
hmax1 |
|
|||
|
h |
|
||
– -
( . 4.2):
h h . |
(4.11) |
86
4.4.
-
.
.
-
, , ,
( ) ( . 4.3) ,
.
max
(0)
|
|
. 4.3.
-
tP ( . . 4.5).
( . 4.3):
|
max |
. |
(4.12) |
|
|||
|
(0) |
|
|
< 1 ( . 4.3) -
. , -
. -
,
.
( ) -
W ( ), , ( ) , -
, -
± , , , -
.
87
-
Re(pi) Im(pi)
pi .
. -
:
– – -
;
m – –
.
, -
, -
Re(pi) :
min |
Re( pi ) |
. |
(4.13) |
-
,
. 4.4).
Im
|
0 |
Re |
|
|
. 4.4.
m
:
m max |
|
Im( pi |
) |
|
. |
(4.14) |
|
Re( pi ) |
|||||
|
|
|
|
|||
88
m
, -
, :
m = tg(max| |). |
(4.8) |
, , -
,
m.
4.5.
tP -
( ).
( ), ( ) , . .
tP.
tP -
-
:
t P |
|
. |
(4.15) |
|
|||
|
P |
|
|
-
n ,
t P n |
2 |
. |
(4.16) |
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|||
|
P |
|
|
, -
Re(pi)
.
,
:
t P |
|
3 |
. |
(4.17) |
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||||
|
|
|
||
-
m
e 2 m . |
(4.18) |
89