: ; ; , .
45, 40, .
...
3.1 [1]: .., σ =./2, σ =../2, σ-1 =../2.
( ), .. , ( ). , , : [τ] = 1030 /2. - , - .
[τ] =10 /2 [τ] =30 /2 .
, .
: d l.
- , .
, : 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50, 53, 56, 60, 63, 67, 71, 75, 80, 85, 90, 95, 100, 105, 110, 120, 125, 130, 140, 150, 160, 170, 180, 190, 200.
- ( 5).
- t r d
| d | 1724 | 2530 | 3240 | 4250 | 5260 | 6270 | 7185 |
| t | 2,2 | 2,5 | 2,8 | 3,3 | 3,5 | ||
| r | 1,6 | 2,5 | 3,5 | 3,5 |
- .
,
1 -
(1)
= 1 , , ͷ;
[τ] - , /2.
d1 = .
(2)
l1 = .
, (3)
t ,
d2 = .
(4)
, (5)
r , ( )
d3 = .
|
|
|
(6)
(7)
, 4
