基于GEESE算法对GTD模型参数估计的影响因素研究

Study on Influence Factors to GTD Model Parameter Estimation Based on GEESE Algorithm

将利用信号子空间特征向量的广义特征值(GEESE)算法应用到能够精确描述雷达目标电磁散射的几何绕射(GTD)模型中,仿真结果表明GEESE算法能精确估计目标散射中心的距离参数、类型参数和幅度参数,最后分析了影响GEESE算法估计精度的几个重要因素。

This paper applies the generalized eigenvalues utilizing signal subspace eigenvectors （GEESE） algorithm to the geometric theory of diffraction（GTD） model,which can accurately describe electromagnetic scattering of the radar targets,simulation result shows that the GEESE algorithm can accurately estimate the range parameter of the target scattering centres as well as the type parameter and the amplitude parameter of them,finally analyzes several important factors that influence the estimation precision of GEESE algorithm.