【摘 要】
:
在缺乏先验知识全球导航卫星系统(GNSS)干扰检测中,针对强噪声背景下的弱信号检测问题,利用高斯噪声高阶累积量为零的特性,提出一种递推的基于三阶对角切片的高阶累积量检测方法,算
【机 构】
:
河北省卫星导航技术与装备工程技术研究中心,总装北京军代局驻石家庄地区军代室
论文部分内容阅读
在缺乏先验知识全球导航卫星系统(GNSS)干扰检测中,针对强噪声背景下的弱信号检测问题,利用高斯噪声高阶累积量为零的特性,提出一种递推的基于三阶对角切片的高阶累积量检测方法,算法具有检测性能好、计算量相对较少的特点。仿真结果表明,在高斯白噪声条件下,算法不但对各类型的干扰均具有较好的检测性能,且性能优于时频域能量检测算法。在缺乏先验条件的卫星导航系统干扰检测领域具有良好的应用前景。
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