module_cressman.f90 数值插值计算中的cressman算法，里面含有多个子程序。-module_cressman.f90 Cressman algorithm of numberic interpolate ,which contains several subroutines.

该代码为cressman.f，即客观分析，能将站点资料用权重的方式差值到格点上去-The code for the cressman.f, namely objective analysis data using weights can site the way up the difference to grid

用于数值预报cressman插值订正，附带简单个例。简单有效(For numerical prediction Cressman interpolation, with a simple case. Simple and effective)