欺骗式卫星导航干扰模拟源参数校准与验证

Parameter Calibration and Verification of Spoofing Satellite Navigation Interference Simulation Source

随着卫星导航技术的飞速发展,卫星导航干扰模拟源广泛应用于无人机反制、抗干扰设备试验评估等方面。结合欺骗式卫星导航干扰模拟源的基本功能和主要参数,参考相关标准和规范,对欺骗式卫星导航干扰模拟源参数校准方法进行深入研究,提出对射频信号、发射功率、频谱纯度、误差矢量幅度、干扰特性、1PPS定时误差校准的方法,并对不同型号的欺骗式卫星导航干扰模拟源进行实验验证和分析。结果表明:各参数的校准方法可操作性强,能科学合理的对欺骗式卫星导航干扰模拟源进行有效计量溯源,推动卫星导航干扰模拟源的应用发展。

With the rapid development of satellite navigation technology,satellite navigation interference simulation sources are widely used in various applications,including unmanned aerial vehicle(UAV)countermeasures and antiinterference equipment testing and evaluation.This paper focuses on the basic functions and main parameters of spoofing satellite navigation interference simulation sources.Referencing relevant standards and specifications,we conduct an indepth study on the parameter calibration methods for these sources.We propose calibration methods for RF signals,transmission power,spectral purity,error vector magnitude,interference characteristics,and 1PPS timing error.Additionally,we perform experimental verification and analysis on different models of spoofing satellite navigation interference simulation sources.The results demonstrate that the calibration methods for various parameters are highly operable and can effectively provide scientific and rational metrological traceability for spoofing satellite navigation interference simulation sources.This research promotes the application and development of satellite navigation interference simulation sources.