, .
:
= | ∑V |
N |
,
∑V ,
n
C :
= | ∑Vp |
N |
,
∑Vp ,
n .
, , , .
:
= + | ∑dp |
N |
- ( 0)
d - (V-A)
∑dp .
( 0 = 76 ).
V | d (V-A) | dp | |
-16 | -16 | ||
-14 | -28 | ||
-12 | -36 | ||
-10 | -30 | ||
-8 | 24 | ||
-6 | -54 | ||
-4 | -24 | ||
-2 | -14 | ||
n= 54 | | ∑dp= -200 |
= + | ∑dp | = | 76+ | -200 | = 76 -3,7=72,3 ( |
N |
. . :
= + | ∑dp | i |
N |
i .
. ( 0 = 73 , i = 3)
V | (d) | (dp) | ||
60-62 | -4 | -12 | ||
63-65 | -3 | -9 | ||
66-68 | -2 | -12 | ||
69-71 | -1 | -9 | ||
72-74 | ||||
75-77 | ||||
78-80 |
n = 54 ∑dp = -13
= + | ∑dp | = | 73+ | -13*3 | = 73 - 0,7=72,3 ( |
n |
, , .
|
|
( ) | ||||||
( | ||||||
Cv< 10% | Cv =10-20% | v > 20% | ||||
, , . , . , , .
, , , , , . . , .
:
1. :
(Lim)
(Am)
3. :
- ( )
- (Cv).