一种新的导航接收机抑制窄带干扰算法  

A Novel Narrowband Interference Suppression Method for Navigation Receivers

作　　者：任超[1] 胡刚[1] 温景阳[1] 郑永翔[1] 于亚静[1] 

机构地区：[1]北京北斗星通导航技术股份有限公司,北京100094

出　　处：《全球定位系统》2014年第2期9-12,共4页Gnss World of China

摘　　要：针对卫星导航接收机窄带干扰的有效抑制问题,给出了二次格型IIR陷波器参数设计方法,在此基础上提出了改进陷波器设计,通过频点估计初始化陷波器参数值,有效提高了二次格型IIR陷波器的收敛速度。计算机仿真结果验证了算法的有效性。In order to solve the problem of narrowband interference suppression for satel-lite navigation receivers,this paper gives the design method of the parameters for two-order lattice IIR notch filter,and presents an improved method of notch filter design.The method can initialize the notch filter parameter through the frequency estimation,so it can improve the speed of convergence of two-order lattice IIR notch filter.Computer simulation results demonstrate the effectiveness of the algorithm.

关 键 词：IIR陷波器 陷波频率 窄带干扰抑制 

分 类 号：TN967.1[电子电信—信号与信息处理]