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针对喷气燃料初馏点性质测试的近红外光谱干扰多、信息提取困难，定量分析模型预测准确度较低的问题，在1 100~2 500 nm的长波近红外光谱范围内采用间隔偏最小二乘法对建模区间进行优选，通过误差反向传播神经网络（BP-ANN）算法取代偏最小二乘法建立定量分析模型。结果表明：在区间1 650~1 705 nm建立初馏点的BPANN定量分析模型并预测验证集样本初馏点，预测决定系数（R2）为0.936...
NDSI Map and IPLS Using Hyperspectral Data for Assessment of Plant and Ecosystem Variables—With a Case Study on Remote Sensing of Grain Protein Content, Chlorophyll Content and Biomass in Rice—
band selection hyperspectra multivariable analysis PLS spectral index
2010/11/24
Hyperspectral reflectance is an important data source for remote sensing of vegetation and ecosystems, especially in assessment of ecophysiological and physiochemical properties. Nevertheless, major a...