GOST R 55898-2013 Technical means of radio communication Mutual radio interferences in local group Calculation methods《无线通信技术手段 本地组相互无线电干扰 计算方法》.pdf

1、 55898null 2013 2014 55898null2013 1 - . . . . - () - ( ) 2 480 3 9 2013 . 2225- 4 () ( ): - -P SM.337-6 (2008) (Frequency and distance separations); - - SM.1134-1 (2007) (Intermodulation interference calculations in the land-mobile service);- - F.699-5 (2006) 100 70 (Reference radiation patterns fo

2、r fixed wireless system antennas for use in coordination studies and interference assessment in the frequency range from 100 MHz to about 70 GHz). 5 1.0-2012 ( 8). ( 1 ) , . () . , (gost.ru). , 2014 , II 55898null2013 Technical means of radio communication. Mutual radio interferences in local group.

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5、 3, B 30, B , , 3, -30 , ; B 3, B 30, B , , 3, -30 , ; D , ; D , ; D , ; R , ;GOR , ; ( 0 360 ) ( -90 +90 ); x, y, h , . , 1 - . 3 55898null2013 4.4 - 4.1 - , , , , , 4 55898null2013 5 , , . 5.1 , , , . nmN = . . 5.2 .P , ZAPP=0.,(5.1) Z , , . Z . 5.3 , ., : LGGPP 0RRTTT.+= ,(5.2) GT f, ;GR f,; L0 ,

6、 , RfLlg20lg2055,270+= , (5.3) R , ,( ) ( ) ( )222hhyyxxRjijiji+= . (5.4) . 5.4 , P., ( f ): ( )fPP+=., (5.5) ( )f , +=ffPfffHfPfd)(d)()(lg10)(2, (5.6) 5 55898null2013 ( )fP (/); ( )fH - . 5.5 , , PP . . (5.7) 6 , , . 6.1 , , , . nmN = . . 6.2 P., , .DP+= . (6.1) 6.3 ( ) P., : HPP 1.+= , (6.2) P., ,

7、 (5.2); 1, , (1. (6.3) 7 , , . 7.1 , , : 1) - , 2) - . ( )CCmNnn321+= , (7.1) Cn2, Cn3 n 2 3 . . 7.2 N1 , (7.2), ( 7.1): F. Fmin F. Fmax, F.Fmax, (7.2) F. Fmin F. Fmax, 6 55898null2013 F., (8.1) FF mint. FF maxt. , FF mint.(8.4) 9 , FminFt Ft FmaxFt FminFmaxFt FminFt FmaxFt Ft FminFt Fmax9 55898null2013 , . 9.1 , , , . - nmN = . 9.2 N , (9.1), ( 9.1): FF min. FF max. , FF min., (9.1) FF min. FF max. , FF min.(9.5) 10 10.1 5.7, 6.3, 7.6, 8.4, 9.5 , . 10.2 . . 10.1 , , 10.3 , , , , . 11 55898null2013 () Z .1 Z Z , -6 , 0 ()