中文说明：IDW（距离权倒数插值法）是空间插值中最常用的插值方法之一。本程序基于matlab开发，功能齐全，希望用得开心。
English Description：
IDW (distance weighted reciprocal interpolation) is one of the most commonly used interpolation methods in spatial interpolation. This program is based on MATLAB development, full-featured, I hope to have a good time.