, , .
. 20.2 .
. 20.2
I, II, III - ; 1, 2 -
, v - , S - ( ) . 20.3
. 20.3
1, 2, 3, 4, 5, 6, .
0-1 (I - ) 1 1- 2 2, (1), 2 = const 3( 1 = 3) ' . 2-3. 3 , 1 1-3-5-7. 0-1-2 - , . 3 2 3-4 4. 4 = const (2) 5 ( 1 = 3 = 5) ' . 4-5. 5 1-3-5-7. - 3-4 - b .
(2) 5 III -, 5-6 7. b - 5-6 - .
1-3-5 - 7, , 0-1-3-5-7--0. 1-10 , 0-1-10--0. 1-9 0-1-9--0. 0-1-2-3-4-5-6--0. . , , , 1-2-3-4-5-6 1-3-5-7
, S 1-2; 3-4; 5-6 , . ˳ 2-3; 4-5; 6-7 .
-2-1-b; d-4-3-; -6-5- , .
-3-2-; -5-4-d; f-7-6- , . 1 = 3 = 5 2 = 4 = 6 1-2; 3-4; 5-6 -2-1-3 = -4-3- = -6-5- . , =const .
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, :
1. , T1 , T1 = 3 = T5 .
2. , 2 = T4 = T6.
3. , .
( , 1/2) ,
, ,
, (20.4)
(20.4) p2/p1 = p4/p3 = p6/p5 = ,(20.5)
- .
(20.5) ,
p2 = p3 p4 = p5 ,
, (20.6) : , (20.7)
- . ()
, (20.8)
:
2, 4, p6 .
' V3, V5, , :
1, 3, 5 , 1 = 3 = 5, , p1 . v1 = p3 . v3 = p5 . v5.
, : , (20.9)
, (20.10)
' v1, v3, v5 , , 1/π.
' v2 , v4 , v6 :
, (20.11)
2, 4, 6 , 2 = 4 = 6, ,
, , (20.12)
, (20.13)
, , , :
, (20.14)
, (20.15)
, (20.16)
T1=T3=T5 l= l =lIII.
m-
, (20.17)
ʳ , .
, (20.18)
, , (20.19)
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