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本文系统地分析了基于到达时间差（ＴＤＯＡ）信息定位的多传感器的布局方法。首先给出了定位误差的概率分布，然后根据其误差协方差矩阵与定位误差椭球体积的关系，给出了对椭圆域内圆心上方目标进行定位的最优布局方案，并以此巧妙地导出了圆形平面布站域内对空中任一位置点目标定的最优布局
This paper systematically analyzes the layout method of multisensor based on time-of-arrival (TDOA) information localization. Firstly, the probability distribution of positioning errors is given. Based on the relationship between the error covariance matrix and the positioning error ellipsoid volume, an optimal layout scheme is given to locate the target above the circle center in the elliptic domain. Optimal placement of point targets at any point in the air in a circular planar fabric