Wavelet-based coupling of leaf and canopy reflectance spectra to improve the estimation accuracy of foliar nitrogen concentration
Sign Up to like & getrecommendations! Published in 2018 at "Agricultural and Forest Meteorology"
DOI: 10.1016/j.agrformet.2017.10.017
Abstract: Abstract The leaf or canopy reflectance spectra of vegetation have been widely employed in estimating foliar nitrogen (N) concentration; however, they alone may not actually reflect the spectral and detailed information at a sampling plot.… read more here.
Keywords: reflectance spectra; leaf canopy; estimation; canopy reflectance ... See more keywords
Structure, far-infrared reflectance spectra, and microwave dielectric properties of Ba2MGa11O20 (M = Bi, La) ceramics
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.01.030
Abstract: Abstract Ba2MGa11O20 (M = Bi, La; called BBG and BLG, respectively) ceramics with monoclinic space group I2/m were prepared through a solid-state reaction method. BBG ceramic sintered at 1150 °C for 6 h has the best microwave dielectric properties… read more here.
Keywords: far infrared; infrared reflectance; microwave dielectric; dielectric properties ... See more keywords
Spectral reflectance analysis of type 3 carbonaceous chondrites and search for their asteroidal parent bodies
Sign Up to like & getrecommendations! Published in 2021 at "Icarus"
DOI: 10.1016/j.icarus.2020.114034
Abstract: Abstract Non-differentiated asteroids are among the most primitive objects in our Solar System, having escaped intense heating mechanisms. To help us understand the information contained in reflectance spectra measured on asteroids, we analyzed meteorites in… read more here.
Keywords: analysis; reflectance; carbonaceous chondrites; type ... See more keywords
Deep chemometrics for nondestructive photosynthetic pigments prediction using leaf reflectance spectra
Sign Up to like & getrecommendations! Published in 2020 at "Information Processing in Agriculture"
DOI: 10.1016/j.inpa.2020.02.001
Abstract: Abstract The need for the rapid assessment of the photosynthetic pigment contents in plants has encouraged the development of studies to produce nondestructive quantification methods. This need is driven by the fact that data on… read more here.
Keywords: deep chemometrics; leaf reflectance; photosynthetic pigments; prediction ... See more keywords
Spatial distribution of atmospheric CO2 absorption detected around 2 µm on the reflectance spectra derived from Hyperion images
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2017.1295483
Abstract: ABSTRACT This study explores the detectability of atmospheric carbon dioxide (CO2) absorption at the short wave infrared bands of Hyperion EO-1 hyperspectral images. Two CO2 absorption bands at around 2.002–2.012 and 2.052 µm, respectively, were… read more here.
Keywords: absorption; spectra derived; co2; co2 absorption ... See more keywords
Identification of substances from diffuse reflectance spectra of a broadband quantum cascade laser using Kramers–Kronig relations
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.6.061621
Abstract: Abstract. A real-time automated system for remote substance identification on various surfaces without preliminary sample preparation is presented. In practice, it can be used, for example, as an alerting system to signal the presence of… read more here.
Keywords: diffuse reflectance; identification; cascade laser; quantum cascade ... See more keywords
Study of Reflectance Spectra of Micrometeorites with Porous Structure from the Novaya Zemlya Ice Sheet
Sign Up to like & getrecommendations! Published in 2020 at "Geochemistry International"
DOI: 10.1134/s0016702920070058
Abstract: The results of electron-probe and spectrophotometric study of five porous micrometeorites found on the Novaya Zemlya glacier are presented. Their reflectance spectra are compared with those of terrestrial serpentines and several carbonaceous chondrites. The possibility… read more here.
Keywords: study reflectance; novaya zemlya; reflectance; spectra micrometeorites ... See more keywords
Effect of Transverse Electric Field on Polariton Reflectance Spectra of Wide Quantum Wells
Sign Up to like & getrecommendations! Published in 2018 at "Semiconductors"
DOI: 10.1134/s1063782618050184
Abstract: Excitonic waves propagating in thick GaAs/AlGaAs quantum wells form an interference pattern, which is observed as oscillations in the reflectance spectra. Oscillations in the spectra of wide GaAs quantum wells should reveal a non-trivial behavior… read more here.
Keywords: field; quantum wells; spectra wide; electric field ... See more keywords
Determining the Concentration of Free Electrons in n-InSb from Far-Infrared Reflectance Spectra with Allowance for Plasmon–Phonon Coupling
Sign Up to like & getrecommendations! Published in 2018 at "Semiconductors"
DOI: 10.1134/s1063782618150034
Abstract: Contactless nondestructive testing is a means for determining the concentration of free electrons N in indium antimonide (InSb) samples from far-infrared reflectance spectra recorded at room temperature. A computer program capable of determining the characteristic… read more here.
Keywords: phonon coupling; reflectance; plasmon phonon; concentration ... See more keywords
Possibility of determining soil pH using visible and near-infrared (Vis-NIR) spectrophotometry
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Environmental Biology"
DOI: 10.22438/jeb/38/5(si)/gm-28
Abstract: Diffuse reflectance spectra of 272 soil samples taken at a depth of 0-20 cm from cultivation soil in Bursa Province, Turkey, were measured in the laboratory to determine soil pH. Before apartial least square (PLS)… read more here.
Keywords: determining soil; spectrophotometry; soil using; possibility determining ... See more keywords
NIR-MID Reflectance and Emissivity Study at Different Temperatures of Sodium Carbonate Minerals: Spectra Characterization and Implication for Remote Sensing Identification
Sign Up to like & getrecommendations! Published in 2021 at "Minerals"
DOI: 10.3390/min11080845
Abstract: Recent satellite observations and the deconvolution of remote sensing data have shown the existence of various carbonate minerals in different solar system bodies. Emissivity, from 403 to 803 K, and reflectance spectra at 300 and… read more here.
Keywords: reflectance; remote sensing; nir mid; emissivity ... See more keywords