Then, according to the correlation between radar and ship, the BPA of target platform from radar basic probability assignment is obtained.
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。
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.
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。
At first, the basic probability assignment is established; then, the trust function is calculated; at last, the decision is made according to some combination rule.
首先建立基本概率赋值，然后计算信任函数，最后按照一定的组合规则作出决策。
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.
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。
Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.
首先，对侦察雷达所能探测到的目标雷达信号的载频、脉宽、重频，应用证据理论将其组合，得到雷达参数的联合概率分配函数。
Firstly, the obtained radar signal radio frequency, pulse width, repeat frequency are composed to get a combined probability assignment function of radar parameters by applying D-S method.
首先，对侦察雷达所能探测到的目标雷达信号的载频、脉宽、重频，应用证据理论将其组合，得到雷达参数的联合概率分配函数。
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