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红外多光谱遥感数据的校准
Authors
方正
林智乐
+3 more
胡伟峰
钟硕
陈思媛
Publication date
25 October 2018
Publisher
Abstract
主要介绍了一种对由特定红外图谱一体化系统采集的光谱数据进行校准与分析的方法。在实验部分,首先对得到的设定已知特定温度的黑体红外光谱数据进行归类和整理,然后在最大保留特征信号的条件下利用不同的滤波算法与滤波窗宽尽量消除信号噪声,并采用偏最小二乘算法对所得信号进行校准,使之与理论值相符。最后利用校准结果构建数学模型,并考虑主成分个数这一概念,检验模型准确度。通过数据分析可知,由这个特定红外图谱一体化系统采集的光谱数据经偏最小二乘算法校正后与理论值相近,此时能够拟合出校正数列与波数之间的函数关系,且受温度影响较小
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Last time updated on 10/06/2020