東昆侖遙感礦化蝕變信息提取方法研究.pdf

1、成都理工大學(xué)碩士學(xué)位論文東昆侖遙感礦化蝕變信息提取方法研究姓名：羅慧芬申請學(xué)位級別：碩士專業(yè)：地圖學(xué)與地理信息系統(tǒng)指導(dǎo)教師：唐斌;苗放20100501Abstract II Study of Remote sensing Information Extraction of Alteration in East Kunlun Introduction of the author: Luo Huifen，fema

2、le，was born in December，1981 whose tutor was Professor Tang Bin and Professor Miao Fang. She graduated from Chengdu University of Technology in Geography Information of System major and was gran

3、ted the MASTER Degree in June, 2010. Abstract With the rapid development image processing techniques of the remote sensing， the methods of remote sensing have been a mainstream of the modern O

4、re- hunting indicator method. With the development of the new methods， it applies the extracted remote sensing information， produces new methods of the extracted mineralization alteration informatio

5、n liked spectral angle mapper classify. Wallrock alterations is an important indication for exploitation， it means that the componential， ructural and tectonic change of the rock result from the

6、 temperature，fizzwater hydrothermal and hydrothermal. Frequently，the ferriferous metallic mineral and alteration mineral which have ? OH or ? 2 3 CO . Because of hydrothermal ore- forming solution， most

7、 of endogenetic deposit have pyrite mineralization， sercitization， carbonizations etc alteration phenomena，moreover，the region of alteration is bigger than deposit， this provides conditions for inform

8、ation extraction of alteration. Most of altered rocks have major + 3 Fe ， ? OH ， ? 2 3 CO . These ion have reflected or absorbed key band，but the chemical constituent of rock- forming mineral (Si，A

9、l，Mg，O) don’t above- mentioned spectral diagnostics， this is the physical foundation of information extraction of alteration. This research is about utilizing the ASTER multispectral data and Hypers

10、pectral remote sensing data to do some research on alteration information extraction in East Kunlun. First do some research on geology about East Kunlun district， according to mineralogy rules w

11、e decided do extract alteration information about three types of minerals，they are kaoline，sericite，chlorite，muscovite，calcite，chalcopyrite，pyrite. It analyzes and to summarizes spectral characteristic

12、of alteration information. Then apply all kinds of methods including the method of Hyperspectral remote sensing to extract alteration information and obtained much space distributing information of altera

13、tion information. According to the study of spectral match， it proposed a spectral match algorithm about Hyperspectral Remote Sensing and applied the algorithm to extract alteration information.