توزيعات الاحتمال المتعلقة بنمذجة انتشار الموجات...
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توزيعات الاحتمال المتعلقة بنمذجة انتشار الموجات الراديويةTRANSCRIPT
INTERNATIONAL TELECOMMUNICATION UNION
PAGE 18 ITU-R P.1057-2
ITU-RP.1057-2 (2007-2001-1994)
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(1)p(x) eT(x) T(x) . m ( p(x) :
(2)
:
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:
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F(x) m ( . 1 x F(x) x F(x).
1x1 F(x)x1 F(x)
00,51,282101
10,15872,326102
20,022753,090103
31,3501033,719104
43,1671054,265105
52,8671074,753106
69,86610105,199107
5,612108
F(x) x (2,8 ( 10(3):
(5)
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- . .
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(6)
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m ( x x . x . :
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exp (m ( (2)- :
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: X x . . dB10 . . .
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6
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4 . 4 - ( )
. 0,5 . . .8
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( . ( (. ( x. :
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1 0,03. 5 ( . x . 2 %10.9 m ( 1) 1 - m m . . :
(24)
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- m = 1/2 .
m - . m m - (dB 10 ). 6 m m. 5 ((((((((((((0,1)
6 m
(1 - F(x) x 100 (%)
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. m n (Gi, xi) .
2
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1: n (Gi, xi) Gi xi.
2: n (Gi, xi) (Zi, ln xi) :
3: :
:
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