CAJ | 학술논문

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。
침대위성도항접수궤착대간우적유효억제문제，급출료이차격형 IIR함파기삼수설계방법，재차기출상제출료개진함파기설계，통과빈점고계초시화함파기삼수치，유효제고료이차격형IIR함파기적수렴속도。계산궤방진결과험증료산법적유효성。
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.