cross correlation analysis造句

• In this paper , i establish a set of updating the basic land - use map technology and flow after i go deep into studying the methods of updating the basic land - use map based on 3s technology . it is very important point that i bring forward some methods of change information automatic detected founding on land - use map unit , cross correlation analysis with multispectral image and object - oriented classification aiming at difference data and difficult identifying change information problems . and then , i compile the programme and practise validating to examine technics flow
  本文在深入研究了基于3s技术更新土地利用图件的方法基础上，从实用化的角度出发，建立了一套利用3s技术更新土地利用基础图件的技术流程与方法，并针对不同的数据情况和变化信息自动提取等问题提出了基于土地利用图斑单元的知识库变化信息自动发现方法、多波段遥感影像交叉相关分析变化识别方法及面向对象的遥感影像分类变化检测方法。