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本文深入研究了二维平面上多传感器的位置对目标跟踪精度的影响。在理论上推导出：用多传感器同时对同一目标进行跟踪时，其跟踪精度主要受传感器和目标所成夹角及目标到各传感器距离的影响。与夹角的关系是：当有两部传感器时，两传感器和目标所成夹角θ_（１２）＝９０°时对目标的跟踪精度最高；当有三部传感器时，传感器和目标所成的夹角分别为θ_（１２）＝θ_（２３）＝６０°时精度最高；与目标到各传感器的距离的关系是：距离越小则精度越高。
In this paper, the influence of the position of multi-sensor in two-dimensional plane on the tracking accuracy is deeply studied. It is deduced in theory that when the same target is tracked by multiple sensors at the same time, the tracking accuracy is mainly affected by the angle formed by the sensor and the target and the distance from the target to each sensor. The relationship between the angle and the angle is: when there are two sensors, the angle between the two sensors and the target θ_ (12) = 90 °, the tracking accuracy of the target is the highest; when there are three sensors, the sensor and the target folder The angles are θ_ (12) = θ_ (23) = 60 °, respectively, with the highest accuracy. The distance from the target to each sensor is: the smaller the distance, the higher the accuracy.