.
, , , .
(. 140). (. 203). A1 2 w0, (j1 - j2) . ,
(144.1)
(144.1) j
(144.2)
. 203
, , , , . (j2 - j1) .
(144.2) (j2 - j1):
1) (j2 - j1) = 2mp(m=0, 1, 2,...), A = A1 + A2, . . ;
2) (j2 - j1) = (2m + 1)p (m = 0,1, 2,...), A = |A1 A2|,. . .
, . . , , .
, w w + Dw, Dw ≪ w. , :
, Dw/2 ≪ w,
(144.3)
(144.3) , , :
(144.4)
s ( ), . . :
(144.3) . 204, (144.3), (144.4) .
. 204
( (. 158)) . , . .
|
|
s = f (t) , , , w0:
(144.5)
(144.5) , *. , w0, 2w0, w0...... ( ), , . . .