S证据理论中，进行目标识别需要获取各项证据的基本概率分配函数。
In the D-S evidence theory, its necessary to obtain the basic probability assignment function of all kinds of evidence in order to carry on target recognition.
根据雷达和舰船的对应关系，由雷达概率分配函数推导出目标平台的基本概率分配函数。
Then, according to the correlation between radar and ship, the BPA of target platform from radar basic probability assignment is obtained.
在应用D S证据理论识别海面目标的过程中，重点研究了如何通过传感器数据实测值来确定基本概率分配函数（BPA）的方法。
On a process of identifying the sea surface target by using D-S evidence theory, the method of how to determine basic probability assignment (BPA) by measured data of sensor is studied.
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