搜索结果: 16-30 共查到“理学 SPECTRAL”相关记录517条 . 查询时间(0.092 秒)
A NEW MULTI-SPECTRAL THRESHOLD NORMALIZED DIFFERENCE WATER INDEX (MST-NDWI) WATER EXTRACTION METHOD – A CASE STUDY IN YANHE WATERSHED
Water Extraction MST-NDWI Small Linear River Remote Sensing Yanhe Watershed
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2018/5/17
Accurate remote sensing water extraction is one of the primary tasks of watershed ecological environment study. Since the Yanhe water system has typical characteristics of a small water volume and nar...
SHARPENDING OF THE VNIR AND SWIR BANDS OF THE WIDE BAND SPECTRAL IMAGER ONBOARD TIANGONG-II IMAGERY USING THE SELECTED BANDS
Sharpening band selection Tiangong-II VNIR and SWIR bands Wide band spectral imager
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2018/5/15
The Tiangong-II space lab was launched at the Jiuquan Satellite Launch Center of China on September 15, 2016. The Wide Band Spectral Imager (WBSI) onboard the Tiangong-II has 14 visible and near-infra...
SPECTRAL AND 3D CULTURAL HERITAGE DOCUMENTATION USING A MODIFIED CAMERA
Spectral imaging image-based 3D reconstruction cultural heritage camera characterisation image quality
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2018/6/5
Spectral and 3D imaging techniques are used for museum imaging and cultural heritage documentation providing complementary information to aid in documenting the condition, informing the care, and incr...
Handheld spectral analyzer turns smartphone into diagnostic tool（图）
Handheld spectral analyzer smartphone diagnostic tool
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2017/9/5
Researchers at the University of Illinois at Urbana-Champaign have developed technology that enables a smartphone to perform lab-grade medical diagnostic tests that typically require large, expensive ...
中国地质大学科学技术发展院张磊（博士生）， 赵来时等GPMR国家重点实验室 Geochimica et Cosmochimica Acta, 2017. Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis
牙形；石磷；灰石；古海洋；古气候
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2021/10/21
近日，中国地质大学地质过程与矿产资源国家重点实验室赵来时教授团队在国际著名期刊《Geochimica et Cosmochimica Acta》发表题为Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis（牙形石磷灰石的拉曼光谱、元素...
Coal mine dust lowers spectral reflectance of Arctic snow by up to 84 percent
Coal mine dust lowers spectral reflectance Arctic snow up to 84 percent
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2017/2/16
Dust released by an active coal mine in Svalbard, Norway, reduced the spectral reflectance of nearby snow and ice by up to 84 percent, according to new University of Colorado Boulder-led research.The ...
Charge Delocalization in the Special-Pair Radical Cation of Mutant Reaction Centers of Rhodobacter Sphaeroides from Stark Spectra and Nonadiabatic Spectral Simulations
Rhodobacter sphaeroides Cations Spectrophotometry Spectroscopy, Fourier Transform Infrared Mutagenesis,Site-Directed Absorption Dimerization Oxidation-Reduction Mutation Electrochemistry
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2016/5/24
Stark and absorption spectra for the hole-transfer band of the bacteriochlorophyll special pair in the wild-type and L131LH, M160LH, and L131LH/M160LH mutants of the bacterial reaction center of Rhodo...
SURFACE GROUP REPRESENTATIONS TO SL(2, C) AND HIGGS BUNDLES WITH SMOOTH SPECTRAL DATA
SURFACE GROUP SL(2, C) HIGGS BUNDLES SPECTRAL DATA
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2015/12/17
We show that for every nonelementary representation of a surface group into SL(2, C) there is a Riemann surface structure such that the Higgs bundle associated to the representation lies outside the d...
SPECTRAL CONVERGENCE ON DEGENERATING SURFACES
SPECTRAL DEGENERATING SURFACES
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2015/12/17
The study of the spectrum of the Laplace operator has produced an extensive literature. (See [Cha] and the references therein.) Of special interest to recent applications has been the behavior of spec...
SOME SPECTRAL PROPERTIES OF PSEUDO-DIFFERENTIAL OPERATORS ON THE SIERPINSKI GASKET
Analysis on fractals localized eigenfunctions Sierpiński gasket Szego limit theorem
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2015/12/10
We prove versions of the strong Szëgo limit theorem for certain classes of pseudodifferential operators defined on the Sierpiński gasket. Ourresults used in a fundamental way the existence of loc...
OBJECT-ORIENTED CHANGE DETECTION OF RIPARIAN ENVIRONMENTS FROM HIGH SPATIAL RESOLUTION MULTI-SPECTRAL IMAGES
Object-Oriented Change Detection Definiens Developer Rule Sets Riparian Zones
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2015/11/16
The objectives of this research were to: (1) develop rule sets in Definiens Developer 7® for mapping and monitoring riparian zone
land-cover classes within two QuickBird images; and (2) compare...
Spectral analysis of the clinometric data at the Phlegraean Fields from 1992 to 1998
Spectral analysis Phlegraean Fields clinometric data
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2015/9/29
Ground deformation is one of the most important precursors for volcanic eruptions. In this respect, the surveillance of volcanoes has greatly benifited from the continuous recording of clinometric dat...
STRONG SHIFT EQUIVALENCE AND THE GENERALIZED SPECTRAL CONJECTURE FOR NONNEGATIVE MATRICES
STRONG SHIFT EQUIVALENCE GENERALIZED SPECTRAL CONJECTURE NONNEGATIVE MATRICES
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2015/9/29
Given matrices A and B shift equivalent over a dense subring R of R,with A primitive, we show that B is strong shift equivalent over R to a primitive matrix. This result shows that the weak form of th...
A Spectral Power Factorization
Spectral Power Factorization
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2015/9/29
This note is related to Theorem 1 of the ICA-BSS Conference’paper “AR Processes and Sources can be Reconstructed from Degenerate Mixtures” [1]. Here we study further the uniqueness of the decompositio...
MICROPHONE ARRAY SPEECH ENHANCEMENT BY BAYESIAN ESTIMATION OF SPECTRAL AMPLITUDE AND PHASE
MICROPHONE ARRAY SPEECH ENHANCEMENT BAYESIAN ESTIMATION SPECTRAL AMPLITUDE AND PHASE
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2015/9/29
Microphone arrays provide new opportunities for noise reduction and speech enhancement. This paper presents anovel decomposition of the estimation problems for short-time spectral amplitude (STSA), lo...