1、 55897 2013 CT 558972013 II 1 - . . . - - . 2 480 3 09 2013 . 2224- 4 () ( ): - - P.1546 (2009 ) “-“ 30 3000 (Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz); - - P.1406 (2007) , (Propagation effects relating to terrestrial land mobile and br
2、oadcasting services in the VHF and UHF bands); - - P.1812 (2007) “ “ (A path-specific propagation prediction method for point-to-area terrestrial services in the VHF and UHF bands); - - P.1410 (2007) , , 3 60 (Propagation data and prediction methods required for the design of terrestrial broadband r
3、adio access systems operating in a frequency range from 3 to 60 GHz); - - P.526 (2007) (Propagation by diffraction); - - P.1238 (2009) 900 100 (Propagation data and prediction methods for the planning of indoor radiocommunication systems and radio local area networks in the frequency range 900 MHz t
4、o 100 GHz); - - P.676 (2007) (Attenuation by atmospheric gases); - - P.833 (2011) (Attenuation in vegetation) 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , 55897 2013 1 CT Radiocommunication networks. Service zones. Calculation methods 201407 01 1 (c ), 30 10 . , . , , . , , , . 2 : 12252-86 .
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7、 , j - j- , ( j=1N); n21 n21 - (), , ; as - , ; 1:200000 , : - , - , - , - . 1 “” , . 2 1995 (-95) 1942 (-42). 4.4 - 4.1. 558972013 4 i = 1 M j =1 j i = i +1 j = N 4.1 - - 4.5 - 4.2. i =1 ri3 P.526 P.676 P.1812 P.1546 P.833 P.1812 P.1410 4.3 - - 5 5.1 A r minmin, maxmin, , r minmin, minmax, , )m a x
8、),m a x),m i n),m i nnnm a xnnm a xnnm i nnnm i n ( ( ( ( . (5.1) 5.2 ( 5.1,) : 1)as/r(k,1)as/r(k t r u n kt r u n k . (5.2) 558972013 6 as( n , n )( m a x , m i n )() () 5.1 - 5.3 (A.7)-(A.9) n21 n21 YYY XXX . 5.4 (A.7)-(A.9) 55897 2013 7 minmax, 11y,x . 5.5 ji yx, : .k1q asqyy ,k1pasp xx 1q 1p (5.
9、3) 5.6 ( kkm ) (A.11) M - ( mM ), ( 5.1,). 5.7 (.8)-(A.10) ii, . 6 j- , i- , j , ji. , , ii, , , - ( 6.1). 6.1 - j jiID jiP , , jiP , , jiL - , jiDist - , jiaz12 - , jiaz21 - , jiG , jiG , i- j- , 6.1. , . 6.1 ir , , maxR , . maxR , , , )( 2,1 ZZm inm ax 1005,0R , (6.1) ) C CC C C fl g (2045,32LGLGPZ .m a x.m a x1 , ) C C CC C fl g (2045,32LGLGPZ .m a x.m a x2 . 6.2 , 53363, jiDist , hh , , . 6.3 , 4.3, 8 jiL . 558972013 8 6.4 jiaz12 jiaz21 (.3). 6.5 , : 6.5.1 : 6.5.1.1 : 18
