, , (. 283). () () , ( ), .
. 283
, , ( , ) , , . (. (145.2)):
(194.1)
0 , j . , .
d , l0 .
D =(n0 - n)d = l/4, j = p/2, (194.1)
. . . 0 = ( a = 45 )
. . .
,
( l/4). , . , l/4, ( ). , , j a. ,
. .
j p/2. l/4, p/2. 0 p. (. (194.1)), , l/4, . , . , l/4 ( ).
, , . , ; , .
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l/4, , p/2. . , , l/4, , . .