, : £ 1 / = 2 f.
, , , n , n /, :
C = 2n f. (1-8)
, n /, N=2n . N (1-9), , .. :
= 2 f log2 N, = 6,644 f lg N. (1-9)
' 2 f = R, log2 N , /, 1 . 1, .
, m - , N = mn , m -
= 2 f logm N, = 2 f lg N / lg m. (1-10)
(. 1.1.5), , : - ( - ), - ( ) :
: , - R / ( /) .. R.
-Xapu: N, - S, ( /):
Cn = B log2(l+ S/N). (1-11)
, . , - / (, SNR) .
. , : 10, 20, 30,40 .
1 - : = fc -fc = 3400 - 300 = 3100 .
2 - ( []= 10 log10(S/N)): S/N = 10, 100, 1000, 10000.
3 - n = 3100 log2(1+ S/N) = 3100 [3,322 log10(S/N)].
4 - :
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n, / | ||||
., / |
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, : 9600, 19200,28800 38400 /, .