伽利略卫星导航系统信号E6随机相位模型

M. Džunda, SebastiÁn ēikovský, Lucia Balejčíková
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引用次数: 0

摘要

本文的目的是描述伽利略卫星导航系统E6信号的随机相位。在此基础上,建立了伽利略系统测量信号的数学模型。确定单个信号的频率并将其结构可视化。还显示了单个信号产生的框图。本文的主要贡献是建立了伽利略系统E6信号的随机相位模型。根据伽利略系统的技术数据,确定了随机相位模型的参数。仿真结果证实了从卫星接收到的连续信号E6 ω n的频率不稳定性是一个平稳过程。频率的短期稳定性范围为10 -13 ~ 10 -14。仿真结果证实了多普勒效应对E6信号的随机相位有显著影响。这种现象会影响使用E6信号进行导航测量的结果。本文给出的E6信号随机相位的建模和仿真结果可用于评价伽利略导航系统的抗干扰性。
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Model of the Random Phase of Signal E6 of the Galileo Satellite Navigation System
: The aim of this paper was to describe the random phase of the E6 signal, the Galileo satellite navigation system. Based on the available information, mathematical models of the measurement signals of the Galileo system were created. The frequencies of individual signals were determined and their structure visualized. A block diagram of the generation of individual signals is also shown. The main contribution of the paper is the creation of a random phase model of the E6 signal from the Galileo system. In ac cordance with the technical data of the Galileo system, the parameters of the random phase model were determined. The simulation results confirmed that the frequency instability of the continuous signal E6 ω n received from the satellite is a stationary process. The short-term stability of the frequency ranges from 10 -13 to 10 -14 . The simulation results confirmed that the Doppler effect significantly affects the random phase of the E6 signal. This phenomenon can affect the results of navigation measurements using the E6 signal. The modeling and simulation results of the random phase of the E6 signal presented in the paper can be used to evaluate the immunity of the Galileo navigation system to interference.
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来源期刊
CiteScore
1.40
自引率
16.70%
发文量
22
审稿时长
40 weeks
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