w . , , , , . (. 5.11), oz . , , , . , - . r. ( ) (d = dz, H = Hq) :
(5.9)
( )
(5.10)
(5.9) t, (5.10) r, :
, (5.10), :
(5.9) r (5.10), :
, , d , :
:
:
, , :
; Jn(p) n; Yn(p) n.
,
R (. 5.11). 0, 0, 1 1 r = 0 r = R, = 0 = R(-jwmg)0.5.
J0(0) = 1 J1(0) = 0, Y0(0) = ¥ Y1(0) = ¥, , , , , 0 = 0 1 = 0. 0 . ,
(5.11)
(5.10):
(5.12)
Im , , . , , :
(5.13)
R r = R.
. m = 1000m0; g = 107 /; f = 50 ; d =10 (d - ); Im = 200 . .
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, (5.11) (5.12) dm/dm0 Hm/HmR r (HmR ). . 5.12 . 5.13.
. 5.12, , , dm0 91280 /2, dm = 1.311*107 /2, 140 .
, .
, ( 2 . 5.13).
. 5.12 . 5.13 , . , , , . .