1) ( ) 0 01.
2) :
- ;
- 1, 80;
- 2, 50.
3) , , . , .
2 18 , 2 16 .
:
- ۻ F;
- 1, () 80;
- 2, () 50;
- һ, () ͻ;
.
130 .
-101 ( ), .
, -101 1,5 1 .
() , ۻ F S.
, .
5.3.2 ,, 5.3.1, , , », ѻ.
5.3.3 һ, , һ, 1/3 һ.
һ, һ 1 2103. 5.3.1.
1 :
F
() ۻ F S;
һ, () ( 22140 )
( );
1, () 50;
2, () 10.
, 010 1, , 2, . , 1, , 2, , .
5.3.
2 һ һ 1 2103.
|
|
. 1.
5.4.
5.3
, | , DL = (L L)*, | ||
, | |||
DL | |||
+44 (99-55) | |||
+9 (64-55) |
*: DL + L > L,
DL L < L.
5.4
, , | |||||||||
31,5 | |||||||||
, . 5.7, 5.5.
L=LP-20lgr+10lg-((b*r) \1000)-10lgW (5.7)
5.5
, , | ||||||
L | 33,98 | 32,95 | 30,89 | 23,77 | 14,53 | |
65-20lg20+10 lg1-((1,5*20)\1000)-10 lg3,14 | 64-20lg20+10 lg1-((3*20)\1000)-10 lg 3,14 | 62-20lg20+10 lg1-((6*20)\1000)-10 lg3,14 | 55-20lg20+10 lg1-((12*20)\1000)-10 lg3,14 | 42-20lg20+10 lg1-((48*20)\1000)-10 lg 3,14 |