基于小波的多传感器空间目标数据融合算法

A Wavelet-Based Multi-Sensor Space Target Data Fusion Algorithm

在多传感器系统中,本文提出一种基于小波变换的数据融合算法,用于对空间目标的轨道参数进行精确预测。仿真实验表明,该算法适用于空间目标轨道参数等快时变数据,估计得到的轨道参数均方差,优于各个传感器的理论均方差,同时也小于LMS算法获得的均方差。

A wavelet transform-based data fusion algorithm is presented for forecasting orbit parameters of the space target accurately. Extensive simulation results show, that algorithm adapts to fast time-varying data like orbit parameters of the space target, and quadratic mean deviation of the orbit parameters estimated excels the theory quadratic mean deviation of various sensors, and less than the LMS estimation＇ s.