摘要
在分析移动卫星通信信道特性的基础上,研究增加直射分量的多普勒实时频移和多径信号入射角范围及其变化对移动卫星通信信道多普勒频移特性的影响,推导了其不对称多普勒功率谱形式,对其进行了理论分析并给出了仿真结果。
Based on the analysis of the of mobile satellite communication channel, the paper studied the influence of line-of-sight component and the variety of angle of incidence. The dissymmetric Doppler frequency shifts and its theory are deduced in the paper. It also simulated the characteristic of Doppler frequency shifts of the four different environments.
出处
《信息技术》
2006年第9期19-21,共3页
Information Technology
基金
国防科技重点实验室基金项目(51473020105JB3203)
关键词
移动卫星通信
信道
多径效应
多普勒频移
mobile satellite communications
communication channel
multi-path
Doppler frequency shifts
