In order to attain a high-resolution image, the algorithm is based on the MAP algorithm, solving the optimization by proposed iteration steps with using the gradient projection method.
该方法基于MAP算法，通过利用梯度投影的方法对重建结果不断进行迭代优化得到最终的理想高分辨率影像。
This paper provides a new method for coordinate transformation between these two types and based on Newton's iterative method, which is derived from map projection principle.
根据地图投影变换原理，提出了一种新的地图投影变换方法，即牛顿迭代法。
According to this spatial distribution, the probability density of each pole is calculated, thus forming a density map with principle and method of the spherical projection.
按照这样的分布规律统计空间上各极点的概率密度，并用球面投影原理和方法形成密度图。
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