在雷达成像中所用到的多普勒质心估计，用idl语言编写-In radar imaging is used in the Doppler centroid is estimated using idl languages

IDL语言的基础学习案例编程，便于初学者掌握； matlab语言的基础学习案例编程，便于初学者掌握；GIS开发技巧及实例；GEODATABASE教程，便与初学者学习，循序渐进了解GEODATABASE-IDL programming language based learning cases, easy for beginners to master matlab programming language based learning cases, easy for beginners t

IDl语言编写的用于不同格式批处理转换，很实用-format conversion format conversion