传统的标量计算方法不适应在向量计算机上并行运算。
Usual scalar calculation method can not be well used to make parallel operation on a vector computer.
介绍了一个极坐标下卡尔曼滤波算法，给出了模型的推导过程及卡尔曼滤波的标量计算式，并给出了空舰攻击中目标速度的计算方法。
The paper presents a Kalman filter algorithm in the polar coordinates, describes the deduction process, the calculational formulas and target speed calculation method in air to ship attacking.
首先分析了标量衍射理论的能量计算误差。
The energy calculation error of scalar theory was investigated firstly.
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