Standard No.:	GB/T 13620-2009
Chinese Name:	卫星通信地球站与地面微波站之间协调区的确定和干扰计算方法
English Name:	Determination of coordination area and predication methods of interference between satellite communication earth station and terrestrial microwave station
Professional Classification:	M04 Basic standards and general methods
Professional Classification:	GB National Standard
ICS Classification:	33.100
Issued by:
Issued on:	2009-05-05
Implemented on:	2010-07-01
Status:	VALID
Replace:	GB/T13620-1992 Determination of coordination area and predication methods of interference between satellite communication earth station and terrestrial microwave station
Language:	English
File Format:	PDF
Word Count:	22000 words
Price(USD):	660 (USD)
Delivery:	via email in 1-5 business day

前言Ⅲ
1 范围1
2 规范性引用文件1
3 术语和定义1
4 干扰允许值2
4.1 卫星通信系统干扰允许值2
4.2 微波接力通信系统干扰允许值2
5 地球站干扰协调区的确定2
5.1 协调区划分2
5.2 最小允许基本传输损耗2
5.3 干扰协调基本参数3
5.4 计算协调区的一般性考虑4
5.5 地球站协调区的计算5
6 地球站辅助协调区的确定和干扰预排除10
6.1 传播模式(1)辅助协调区和干扰预排除10
6.2 传播模式(2)辅助协调区和干扰预排除13
7 干扰计算方法15
7.1 干扰计算方法15
7.2 射频载波干扰比计算方法16
7.3 信号传播模型和传输损耗19
附录A (规范性附录) 降雨率分布及确定地球站协调区所需的参数20
A.1 降雨率犚(狆x) 20
A.2 确定地球站协调区所需的参数20
附录B (规范性附录) 绕射损耗计算24
B.1 光滑球面绕射24
B.2 不规则地形障碍物的绕射25
B.3 多重障碍物绕射计算26
附录C (资料性附录) 地球站水平方向的天线增益28
C.1 概述28
C.2 确定φ(a)的数学法28
C.3 确定φ(a)的图解法28
C.4 天线增益的确定29
附录D (资料性附录) 雨散射干扰预排除公式的推导31
附录E (资料性附录) 信号频谱密度和收信滤波器的特性35
E.1 信号归一化功率谱密度35
E.2 收信滤波器的特性35
参考文献37