基于卫星导航接收机的空时抗干扰算法的改进

在分析多级维纳滤波器实现算法的基础上,通过对相关相减算法中的阻塞矩阵进行改进,并利用其前向递推多级分解特性构造出空时二维干扰子空间,然后结合子空间投影方法,进一步求出空时抗干扰最优权值。与传统的相关相减结构多级维纳滤波方法（CSS-MWFD）相比,该方法在有限数据精度下,抗干扰性能要优于CSS-MWFD方法,具有更好的可行性和实用性。仿真结果验证了该方法的有效性。

Algorithm Improving for Space-Time Anti-Jamming Based on Satelitte Navigation Receiver

Based on the analysis of the algorithms implementing Multistage Wiener Filter(MSWF),Which is implemented by the correlation subtraction structure is proved to be the projection performed and the blocking operation and not to be orthogonal to the cross-correlation vector in finite-precision environments.Through modifying block matrix and using the multistage decomposition structure,the correlation subtractive structure space-time interference subspace is constructed.Then applying subspace projection method t...