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:




:

































 

 

 

 


. ( )




. , . , . , , , , (0, 2π). . .. . l i s i(t), (5.23). (4.44), γ , θ - , l i ( (5.23) Δt→0) :

. (5.67)

l i , θ. , Λi . , (5.67) θ Ei ui(t) ( ).

 

. . . . . .

i(a):

1. i(a) , .. a1, a 2 , .. i (a1, a 2) = i( a1 ) + i( a2 )

2. , ( () = 1), .

3. , ..i(a) =f{P(a)).

4. ().

, , , i(a)= -logP(a)≥0.

. , , , , , i (an), . , (), , .. () =

(X|Y):
(X|Y)=

:

1. H(X|Y)≥0

2. , ..

P(x| y)=

H(X|Y)=0

3.H(X|Y) ≤(X)

4.H(X|Y) =H(X), , , P (x | y) =()





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