研究表明：改进的等位线反投影算法不但可以较准确地对场域内目标进行定位，而且具有一定的分辨率；
The research results show that back projection algorithm can not only accurately determine the location of target, but also have good resolution.
场的相互作用大多都是非定域，这种非定域性也可以看作是对场以及场的质量做了某种特殊的“类重整化”修正。
The action of them are almost all nonlocal, and this kind of nonlocal property can be understood as some kind of "renormalization" of field and the mass of field.
这种算法采用“虚点”概念，按照一定的规则用“小球跳跃法”简单而有效地实现了三维场域边界的三角形离散。
By introducing the concept of "nihility point" and the method of "spherule bounding" in the algorithm, we have simply and effectively realized boundary discretization in 3-d space.
同时，为避免由于电机定、转子相对运动而引起的气隙场域剖分网格的畸变问题，在气隙中引入了运动边界。
To avoid the mesh distortion in the airgap arising from the relative movement between the stator and rotor, the moving boundaries are incorporated into the finite element model.
同时，为避免由于电机定、转子相对运动而引起的气隙场域剖分网格的畸变问题，在气隙中引入了运动边界。
To avoid the mesh distortion in the airgap arising from the relative movement between the stator and rotor, the moving boundaries are incorporated into the finite element model.
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