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SPECTRAL: 作品数：1009被引量：1459H指数：13; 导出分析报告; 相关作者：柳力敏陈蕾华瑞才娜肖博更多>>; 相关机构：昆明理工大学中国医科大学附属第一医院中国科学院中国农业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家教育部博士点基金更多>>

Prediction of Soil Salinity Using Multivariate Statistical Techniques and Remote Sensing Tools被引量：3: 《Advances in Remote Sensing》2018年第4期313-326,共14页Moncef Bouaziz Mahmoud Yassine Chtourou Ibtissem Triki Sascha Mezner Samir Bouaziz; Soil salinity limits plant growth, reduces crop productivity and degrades soil. Multispectral data from Landsat TM are used to study saline soils in southern Tunisia. This study will explore the potential multivariate...; 关键词：REMOTE Sensing SPECTRAL Indices Soil SALINITY Principal Component ANALYSIS CLUSTER ANALYSIS

Simulation of a torrential rainstorm in Xinjiang and gravity wave analysis被引量：4: 《Chinese Physics B》2018年第5期573-580,共8页Rui Yang Yi Liu Ling-Kun Ran Yu-Li Zhang; Project supported by China Special Fund for Meteorological Research in the Public Interest(Grant No.GYHY201406002);the National Natural Science Foundation of China(Grant Nos.41575065 and 41405049);the National Natural Science Foundation International Cooperation Project,China(Grant No.41661144024);Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDA17010100); We used a weather research and forecasting model to simulate a torrential rainstorm that occurred in Xinjiang,China during June 16–17,2016.The model successfully simulated the rainfall area,precipitation intensity,an...; 关键词：gravity wave RAINSTORM spectral analysis methods weather research and forecasting model

Acoustical Design of an Electrical Emergency Plant Using Sea Method: 《Journal of Environmental Protection》2014年第4期327-332,共6页Evgeny Podzharov José F. de la Mora Gálvez Jesus A. Alvarez Sanchez; The statistical energy analysis (SEA) was used in the acoustical design of an electrical emergency plant to reduce the outdoor noise level. In the past, when the plant was working, a high annoying noise was heard all ...; 关键词：Noise Reduction of AN Elictric PLANT STATISTICAL Energy ANALYSIS Transmission LOSS SPECTRAL ANALYSIS Absoption of Noise

Chebyshev super spectral viscosity method for water hammer analysis被引量：2: 《Propulsion and Power Research》2013年第3期201-207,共7页Hongyu Chen Hongjun Liu Jianhua Chen Lingjiu Wu; In this paper,a new fast and efficient algorithm,Chebyshev super spectral viscosity(SSV)method,is introduced to solve the water hammer equations.Compared with standard spectral method,the method's advantage essentiall...; 关键词：Liquid propellant rocket engine(LPRE) Propellant transfer Water hammer Spectral method Super spectral viscosity(SSV) Numerical simulation

Elemental Analysis of Soil Phosphorus Neighborhoods Using SEM, Spectral Mapping and GIS: 《Journal of Environmental Science and Engineering(A)》2013年第8期494-505,共12页Kathleen M. Baker Asmare Atalay Carol Bronick Brodie Whitehead; The utility of GIS （geographic information system） methods and spatial statistical analysis on spectral maps of sediment samples were examined. Detailed elemental maps are often constructed using energy dispersive X...; 关键词：SEM （scanning electron microscopy） geographic information systems energy dispersive X-ray analysis principalcomponents analysis spatial analysis soil chemistry.

Analysis of Nonlinear Stochastic Systems with Jumps Generated by Erlang Flow of Events: 《Open Journal of Applied Sciences》2013年第1期1-7,共7页Alexander S. Kozhevnikov Konstantin A. Rybakov; In this paper we consider the stochastic systems with jumps (random impulses) generated by Erlang flow of events that lead to discontinuities in paths. These systems may be used in various applications such as a contr...; 关键词：ANALYSIS ERLANG FLOW of EVENTS Generalized Fokker-Planck Equations Random Impulses JUMP-DIFFUSION Process SPECTRAL Characteristic SPECTRAL Method Formalism Stochastic System

Application of Grey-correlated Spectral Region Selection in Analysis of Near-infrared Spectra: 《Chemical Research in Chinese Universities》2011年第6期924-928,共5页ZHANG Yong XIE Yun-fei ZHAO Bing; Supported by the Key Projects in the National Science&Technology Pillar Program,China(No.2007BAI38B03);the Development Program of the Science and Technology of Jilin Province,China(Nos.200705C07,20075020);the 11th Five-Year Key Project of Jilin Province Education Department,China(No.[2010]205); The optimal selection method of spectral region based on the grey correlation analysis was applied in the analysis of near-infrared（NIR） spectra. In order to compute ＂characteristic＂ spectral region, 160 samples o...; 关键词：Near-infrared spectroscopy Grey correlation analysis Correlation degree Partial least square

Multi-Resolution Fourier Analysis Part I: Fundamentals: 《International Journal of Communications, Network and System Sciences》2011年第6期364-371,共8页Nourédine Yahya Bey; In the first paper of this series, we propose a multi-resolution theory of Fourier spectral estimates of finite duration signals. It is shown that multi-resolution capability, achieved without further observation, is ...; 关键词：MULTI-RESOLUTION SPECTRAL ANALYSIS FOURIER ANALYSIS RESOLUTION Frequency RESOLUTION

A spectral mixture model analysis of the Kuroshio variability and the water exchange between the Kuroshio and the East China Sea被引量：6: 《Chinese Journal of Oceanology and Limnology》2011年第2期446-459,共14页宋军薛惠洁鲍献文吴德星柴扉施磊姚志刚王勇智南峰万凯; Supported by the National Basic Research Program of China (973 Program) (Nos. 2005CB422300,2007CB411804,2010CB428904);the National Natural Science Foundation of China (Nos. 40976001,40940025,41006002);Tianjin Municipal Science and Technology Commission Project (No. 09JCYBJC07400);the "111 Project" (No.B07036);the Program for New Century Excellent Talents in University (No. NECT-07-0781); For understanding more about the water exchange between the Kuroshio and the East China Sea,We studied the variability of the Kuroshio in the East China Sea(ECS) in the period of 1991 to 2008 using a three-dimensional...; 关键词：East China Sea （ECS） KUROSHIO spectral clustering spectral mixture model water massanalysis water exchange

Analysis of the Spectral Resolution of a TeO2 based Noncollinear Acousto-Optic Tunable Filter: 《Engineering（科研）》2011年第3期233-235,共3页Chunguang Zhang Hao Wang Yishen Qiu; The spectral resolution is a main index of evaluating the performance of the designed acousto-optic tunable filter (AOTF). In this letter, an accurate expression of the spectral resolution is presented by considering ...; 关键词：SPECTRAL RESOLUTION AOTF SPECTRAL BANDWIDTH TeO2

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