.
: (), , .
: .
:
1
()
67-11
, .
: .
().
:
1.
2.
3.
4.
5.
.1. m, . , , .
a ma, d . , :
ma = k d, (1)
k - .
.1.
:
U=k d, (2)
k .
(1) (2)
U=ka, (3)
k= km/k - .
(3) .
.2.
.2. . x , z , y x z . a m ma. mal (t=0) β. () β, () (),
|
|
=k I= kβ,
k , [/];
I ;
k=kkk;
k - , [/];
k , [A/].
:
mlacosβ*=kI*=kβ*, (4)
β cosβ≈1,
mla=kI*=kβ*
,
I*=ka=kgn, (5)
k=ml/k ,
n=a/g , a.
(5) .
- () (). R - ().
.
.3.
xo, yo, zo .
ayo, azo yo, zo;
xo xo.
.3.
(t=0), yt=0 yo, zt=0 zo.
β≠0
az=azocosβ-ayosinβ
β cosβ≈1; sinβ≈β,
az=azo-ayoβ (6)
x :
J( xo+ ), J x;
mlaz;
, ;
x;
D , D ;
Cβ, .
Ē: =0, :
J( xo+ )+D +Cβ+M=mlaz+Mx (7)
(6) =kβ, :
J +D +Cβ+kβ=mlazo-mlayoβ-J xo+Mx (8)
mlayoβ, J xo, Mx ( .1.3.)
ayo=0; xo=0; Mx=0, (7) :
J +D +Cβ+kβ=mlazo (9)
(9) << k :
(JS2+DSβ+C)β(S)+k(S)β(S) = mlazo(S),
koc(S)=k ,
W(S)= - .
,, ,, .
(.4.):
. 4.
1 :
W(S)= =W(S)k(S),
Wo(S)= - .
67-11:
|
|
J=0.4710-4 2
D=0.4
=0,5 /
:
w1 0;
w2 - .
Wo(S)= = = = = = = = ,
=J/D=1.17510-4.
,
W(S)= (10)
k=kkkk
k=1.547103 / ( 67-11 )
k=0,3 /
k=8 /
k=33 /
k=1,23106 /
k/D 3.075106
1=2,3
2=0,0023
3=410-5
=210-5
=410-5
=210-5
=1,17510-4
20lg(Koc/D)=129,86.
.5. :
.5.
.5. , 67-11 m=14.8 , γ = 49 . w=2118 1/.
67-11 5 ..
Imax=30 :
kI*max=kβmax,
,
βmax= ..=0,173 ..<<5 ..
k=0.25 (5) I*max =30, amax= I*max /k=120 /c2 12g.
.
xo xo, x , ayo ( ).
(8) Mx=0 :
J +D + (C+koc)β=mlazo -J xo-mlayoβ,
<<koc (c=0.5 /; koc=1.23106 /).
a) xo=const; ayo=0;
( = =0)
xo . (11)
koc.
) xo=0; =const; azo=const
B
, ,
, (12)
mlayo/koc<<1,
koc , , (5) .
;
,
(), (zo) yo , zo .
ω ,
l- ,
, :
β=βsin(ωt+λb),
β= ,
A= -
- .
-
koc=1.23106 / D=0.4 , J=0.4710-42 :
ω0=5,3103 1/,
.
,
0,5ml(ayo)(β)cos(l-lb).
:
(13)
λ=0, .
λ=π/2 ()=(azo), .
(13) , koc.