几何校正是遥感信息处理中十分重要的环节，直接关系到信息提取的精度与使用程度。分析遥感畸变原因，介绍矫正原理和方法。envi下校正-Geometric correction is a very important part of the remote sensing information processing, is directly related to the degree of accuracy with the use of information extracted. Analysis