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利用计算机对卫星或航空遥感图像进行数字处理,其目的之一就是要增强和提取某种有意义的异常或微异常信息。 地下油气藏中的烃类气体一直在沿着可能的通道(如裂缝)向地面运移,这种微弱渗透的烃类物质可以引起地表风化岩石的蚀变和土壤含烃量的增加以及地植物的各种变异现象。这
One of the purposes of using computers to digitally process satellite or aerial remote sensing images is to enhance and extract some meaningful anomaly or micro-anomaly information. Hydrocarbon gas in underground reservoirs has been transported to the surface along possible channels (such as fractures). Such weakly permeable hydrocarbons can cause alteration of surface weathering rocks and increase of soil hydrocarbon content, Variety of phenomena. This