- 㳿 Z, Z = Z (. 11.1). Z , , . , , - .
Գ , . Z, , Z,
, (, , ).
. 11.1
Z , Z, , .
㳿 , Z. :
. (11.1)
(11.1). l = 2 r = 300 R = 200 C = 20 (. 11.2). 㳿 . Z l = 10 .
. 11.2
:
. (11.2)
:
. (11.3)
:
. (11.4)
, (l = 10 ), , 1.
, , 1,05 ¸ 1,1.
, (11.1), :
. (11.5)
, . f = 30 , l = 10 , :
. (11.6)
. 11.2 䒺 RL-, .
㳿:
. (11.7)
:
. (11.8)
g = a + jk, a - , k = 2p/l - , .
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g, (11.8), . ó , (11.8) . , 1939 .. (Bell Telephone Laboratories). ij ( - ) , . (11.8).
(11.1), (11.7), (11.8) - 䒺 , . , , , . , , .
. - - .