scholarly journals Evaluation of diffuse reflectance infrared spectroscopy estimates for different soil properties using multiple partitions: Effects of the range of contents, sample size, pre‐processing, wavenumber regions and algorithms

2020 ◽  
Author(s):  
Bernard Ludwig ◽  
Isabel Greenberg ◽  
Anja Sawallisch ◽  
Michael Vohland
Keyword(s):  
Infrared Spectroscopy ◽  
Soil Properties ◽  
Sample Size ◽  
Diffuse Reflectance ◽  
Diffuse Reflectance Infrared Spectroscopy ◽  
Diffuse Reflectance Infrared

Figures of Merit for a Diffuse Reflectance Accessory Using an On-Axis Ellipsoidal Collecting Mirror

1988 ◽  
Vol 42 (3) ◽  
pp. 428-433 ◽  
Author(s):  
E. H. Korte
Keyword(s):  
Infrared Spectroscopy ◽  
Noise Level ◽  
Diffuse Reflectance ◽  
Field Of View ◽  
Figures Of Merit ◽  
Size Dependent ◽  
Diffuse Reflectance Infrared Spectroscopy ◽  
Diffuse Reflectance Infrared

The attainable efficiency of an accessory for diffuse reflectance infrared spectroscopy where both the irradiation and detection optics are located on the same side of the sample is analyzed, the size-dependent noise level of the detector being taken into account. The resulting figures of merit are found to reach up to more than 0.3, when standard detectors of 60° field-of-view are considered.

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