, ω .
(5.28)
Zt - ; μ, α, β , .
, , x 1, x 2,..., xN. , , N. (N - ) ( ), N . N .
(5.28)
.
μ, α, β, . θ
(5.29)
, , ω, , . , , , π, . .
. Δ t, ω N = π / Δ t. , ,
. , . , . ω N = π ( ). , , . , ω = 2π f = 1 . , , . . , , .
, . 2π / ω N, , 2π / N. , . 6 , , . . , ( ), , , . : N = 52,
|
|
Δ t = 1 , 2π/ N Δ t 1/ N Δ t . 1/52 , . 2π/ N Δ () , ω p = 2π p / N Δ
p = 1, 2,, N / 2, .
(5.29) , ω , 2π/ N π. (5.29) , :
(5.30) t 1 N. , . ω p , p ≠ N /2, [ 3]:
(5.31)
, p = N /2, β t,
"" , 2π/ N, 4π/ N,..., π. (5.30) , xt
(5.32)
t = 1, 2, , N.
(5.32)
(5.33)
(5.32),(5.33) . , (5.33) ω , (5.28), .
, , 2π/ N, 4π/ N,..., π. ω p = 2π p / N - .
p ≠ N /2 -
(5.34)
- - ; - .
, p ≠ N /2 - . - . (5.30), (5.32)
.
N,
(5.35)
(5.35) . . , - .
|
|
ω p = 2π p / N . , , , . , .
ω p π / N, , ,
= = , 2π / N.
, ω p, I (ω p),
(5.36)
, (5.36) p = N /2, [(N - 1) π/ N, π],
I (ω) ω , I (ω) , . , , , I (ω) , . , ,
(5.37)
(5.38)
(5.38) p = N /2.
, (5.37), - f = ω /2π ω [5,6].
5.1. .5.5 3 (2010-2012 .), 3*365 = 1095 [7].
.5.6., 5.6., .
.5.5 3
)
)
.5.5
.5.1 .
5.1
, , .
, , (5.20):
젠
(5.39)
, f (ω) γ h . , N , h = 0, 1,..., (N 1). ,
(5.40)
. ,
(5.41)
, . [6,p.300], , (5.40), N, .
ω h ω j . , .5.6. , . .
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|
)
)
)
.5.6 ( ) - ; - ; ( 100 ; - 200 ; - 500 )
, . , , m ω k, ..
(5.42)
ω k = 2π k / N; k = 0, 1,..., N /2 - ; mN , m N; WN (ω j) - , :
(5.43)
WN (ω j) , . f (ω) ,
(5.44)
(5.43): , m. m , . , . , , , . , , , . , ( ).
, (5.40), ω - π +π. ,
WN (λ) - ,
(5.45)
, (5.45)
(5.45) , , , f (ω).
, ω λ , . - , ω λ. - .
(5.20) , () . (5.40). W (h) , ..
|
|
- h, W (h) , h. ,
(5.46)
W (h) , , ..
W (),
, N. WN (h) . , , ..
(5.47)
,
堠 . (5.48)
(5.48) . , , - , ..
. (5.49)
, .
.
1. . ,
(5.50)
- , (N 1).
(5.50)
(5.48)
(5.51)
.5.7.
) )
.5.7 () ()
.5.7 , ω = 0 (2 + 1)/2 π, - ω = 2 j π/(2 + 1) ω = (4 j + 1)/(2 + 1) j = 1, 2, . , , . , .
2. .
(5.52)
, (5.52), .
(5.53)
.5.8.
) )
.5.8 ( - ; - )
, , . , (5.51) (5.53) , , . , ω. , , ω. , , , .
3. -.
(5.54)
, , - , 0 < ≤ 0,25 h. :
.
(5.55)
(5.55) , - (ω π/ M), ω (ω + π/ M), ..
(5.56)
|
|
(5.51).
, , - .
. - (5.54) = 0,23 , .
(5.57)
= 0,25 , . .
(5.58)
.5.9.
) )
.5.9 ( - ; - )
4. .
(5.59)
(5.59)
(5.60)
(5.60)
.5.10. .
) )
.5.9 ( - ; - )
( ) ( ). , , . , , . , . , ; , , , . . :
1. .
2. , .
3. , .
" window closing ".
5.2. 2013. .5.10 ( ) [8].
.5.11 , .
.5.10 2013.
) )
.5.11 () () ( )
.5.2 .
5.2
.5.2, ( = 50 .), .. .
, , .5.12 .5.3.
) )
.5.12 () () ( )
5.3
, , , .