trong a6 : d = bi/ b ; P hp audt tr,@ dJt A
- K h i o c = O ; P = PL = O - ( n $ u t g Y / < 0 , 4 5 ) h & P t = 3 Z / b ( n d u
te W ? 0,45
-~(hia(= 1 ; P = P H ~ = R B ~ .COB&'- n ( n =C/te 1 ( 6 )
+ ~ i f g i b t r j P = Ptb = ( Rax + m i n )/2 4 x k ainh W gih t r i CX
2) ~ i n h ' & h : ~ 6 ~ b 4 = 2 ' ~ b ~ vZ &= b-bL
+ vi, qua" h4 z*- PBh
DO t A i trong 1- th vd phia hg I- d n ta PI& am v8 truns th ad tinh ,
nghla l i ta tinh vdri chi& b t t = b - 2.e ( e l i 66 lech th & tinh
tm .UC I ) , khi 66 hp d t tinh t& t d n d t d n ( bp sudt U6y d n g )
ai, IA : ~ t t = ( I I + -in .d v&.+%p$ b7iMb t(r bib-b4 t t - b ~ s t
2
~ t r b : ~ g h = ~ g h c o a 6 - n b*
ZL = RBhYd ( 8
b+b
Rgh tinh thoo odng th& ( 7 1 , & UAy phai tinh v6i b t t v i phai
#id rhidt n h i ~ tri 4 U& nr(lti8ny 7 = 0 , o , i ~ , o , 9 ( ~ 44
ti ra 4 c trr eb Iyrn r u m 6tu n'u abi d r ei6 t r i Hgh s i tinh &i& dt c&
Pgh v i a t h - t h b ( 8 )
q- M za - ~ g h ~i t i e ~ c&l Z = ~ g y + c nhtt hinh ve,
sau :
( ve6tr, c*-
m ~ $ l i * ~ i j t ( ~
+& , >
+ & d j n h z g h : t i r g i i t r j R t = ( b s x +-in ) b a6 ti.- Zgh
c u d i & g k h i & 0 6 b ~ , ~ v d & t h a y v A o c O n e t h u c ( 5 ) d t i n h ~ r a ; l c
itgh 8 t h y Rgh d o a thk ( 4 ) ta sb dbnh g i 6 a h g t r l n h cb b i
tnmhIwLhane