用较为真实的散点数据，根据逐步订正相关原理，对网格点的模拟数据进行修正，得到一个与真实场更为吻合的空间网格分布场。-To more real scattered point data, according to gradually revise the relevant principles of the grid points of analog data be revised to be a much more consistent with the real space field distribution of the grid field.