完全人译
利用四川盆地的TM卫星遥感影象,运用普朗克定律,使用ENVI软件进行热红外亮温反演,选取广安、南充为代表城市,在采用统一的研究区范围标准的基础上,对比分析了最高最低温度对比法等5种方法后认为:均值标准差法划分温度等级在一定程度上可以避开不同时相的差异,可以较合理地刻划地表热场的空间分布;
Taking advantage of the TM satellite remote sensing images of Sichuan Basin, using the Planck's law, carrying out the thermal infrared luminance temperature inversion by ENVI software, selecting Guangan and Nanchong as the representative cities, and comparing and analyzing 5 methods of max. & min. temperature comparison method etc. we considered that the difference at different time phase can be avoided to some extant by using mean value standard balance method which reasonably described the spatial distribution of the earth's surface thermal field;
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对5种方法的热岛强度计算结果是,基于均值标准差分级的面积指数法的适用性较强,平均温度对比法次之,最高温度与最低温度对比法最差。
the calculation result on the heat island magnitude by 5 methods is: the space index method based on mean value standard deviation classification is comparatively serviceable, the average temperature contrast method would be successively, and the max. & min. temperature contrast method is the last.
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