2021年西南大学地理信息系统基础考研真题

2021年西南大学地理信息系统基础考研真题

一、 名词解释

注意:十道题中选做八道每题5分

1.   地理信息系统

2.   遥感(狭义)

3.   大气窗口

4.   绝对黑体

5.   不规则三角网

6.   灰度亮度图

7.   缓冲区分析

8.   辐射分辨率

9.   专题地图

10.矢量数据模型


二、简答题

注意:九道题选做七道每题10分

1.   简述栅格像元属性值的决定方式

2.   影响地物反射率的因素有那些

3.   影响地图概括的因素有哪些

4.   简述根据道格拉斯普克算法进行线压缩的过程

5.   构成地图符号的视觉变量有哪些
在标准假彩色图像中,植被、湖泊、重盐碱地分别为什么颜色?根
据地物波谱曲线进行分析说明

7.   遥感影像产生形变的原因有哪些?简述几何畸变校正的原理

8.   简述监督分类的过程,与非监督分类有什么区别

9.   简述进行回归分析的主要步骤


三、论述题

注意:三道题选做两道每题20分

1.   请列举三种常用植被指数及计算公式,请说明其为何能突出植被信

2.   请论述如何利用GS技术提取陡坡耕地退耕还林的适宜区域

3.   请论述在制图过程中影响地图投影选择的因素有哪些,在小比例尺
地图上,哪种地图投影适合中国区域,并解释原因。

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吾爱地理 » 2021年西南大学地理信息系统基础考研真题
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