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SPECTRA: 作品数：1142被引量：1445H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨世学刘宇明何荣幸胡超陈颖更多>>; 相关机构：中国科学院广州海洋地质调查局东南大学上海交通大学更多>>; 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中国博士后科学基金国家高技术研究发展计划更多>>

A new modulation transfer function for ocean wave spectra retrieval from X-band marine radar imagery: 《Chinese Journal of Oceanology and Limnology》2015年第5期1132-1141,共10页陈忠彪张彪何宜军丘仲锋 PERRIE William; Supported by the National High Technology Research and Development Program of China(863 Program)(No.2013AA09A505);the National Natural Science Foundation of China(Nos.41076119,41176160,41476158);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Natural Science Youth Foundation of Jiangsu Province(No.BK2012467);the Natural Science State Key Foundation of Jiangsu Province(No.BK2011008);the National Natural Science Youth Foundation of China(No.41206171);the Startup Foundation for Introducing Talent of Nanjing University of Information Science and Technology(No.S8113078001); When imaging ocean surface waves by X-band marine radar, the radar backscatter from the sea surface is modulated by the long surface gravity waves. The modulation transfer function （MTF） comprises tilt, hydrodynamic...; 关键词：X-band marine radar modulation transfer function ocean wave spectra

Theoretical research and experimental validation of quasi-static load spectra on bogie frame structures of high-speed trains被引量：15: 《Acta Mechanica Sinica》2014年第6期901-909,共9页Ning Zhu Shou-Guang Sun Qiang Li Hua Zou; supported by the National Natural Science Foundation of China(U1134201);partly supported by the National High Technology Research and Development Program of China(0912JJ0104-DL00-H-HZ-001-20100105); One of the major problems in structural fatigue life analysis is establishing structural load spectra under actual operating conditions.This study conducts theoretical research and experimental validation of quasi-sta...; 关键词：Load spectra QUASI-STATIC Bogie frame CALIBRATION High-speed train

X-ray fluorescence spectra quantitative analysis based on characteristic spectra optimization of partial least-squares method: 《Chinese Optics Letters》2014年第A02期144-148,共5页章炜段连飞张罗政张玉钧凌六一杨允军; The quantitative analysis of X-ray fluorescence （XRF） spectra is studied using the partial least-squares （PLS） method. The characteristic variables of spectra matrix of PLS are optimized by genetic algorithm. The ...

High resolution photoassociation spectra of an ultracold Cs_2 long-range 0_u^+ (6S_(1/2)+6P_(1/2) ) state: 《Chinese Physics B》2013年第9期376-380,共5页陈鹏李玉清张一驰武寄洲马杰肖连团贾锁堂; supported by the National Basic Research Program of China (Grant No. 2012CB921603);the National High Technology Research and Development Program of China (Grant No. 2011AA010801);the National Natural Science Foundation of China (Grant Nos. 61008012 and 10934004);the International Science and Technology Cooperation Program of China (Grant No. 2001DFA12490);the Project for Excellent Research Team of the National Natural Science Foundation of China (Grant No. 61121064);the New Teacher Fund of the Ministry of Education of China (Grant No. 20101401120004); In this paper, ultracold cesium molecules are formed through photoassociation technology, which is carried out in a magneto-optical trap. High resolution photoassociaion spectra with the rotational progressions up to ...; 关键词：ultracold molecules PHOTOASSOCIATION trap-loss spectrum long-range molecular coefficient

Fluorescence Discrimination and Determination Technique for Phytoplankton Composition by Coif2 Wavelet Packet: 《Journal of Ocean University of China》2013年第1期53-62,共10页DUAN Yali SU Rongguo SHI Xiaoyong WANG Xiulin ZHU Chenjian SUN Yan; supported by the National High-Tech Research and Development Program of China (863 Program) (No. 2009AA063005);the Natural Science Foundation of Shandong Province (No. ZR2009EM001); An in vivo fluorescence discrimination technique for phytoplankton population was developed by using Wavelet packet transform, cluster analysis and non-negative least squares. The technique was used to analyze water s...; 关键词：phytoplankton species wavelet packet transform feature spectra norm spectra database DISCRIMINATION

Preliminary Study on Spectra Diagnosis Model for Nitrogen Nutrition in Rice Leaf被引量：4: 《Agricultural Science & Technology》2011年第2期168-170,共3页李晓利刘明博楼佳唐延林; Supported by National Natural Science Foundation(10664001,41061039);National 863 Project(2007AA10Z205);Project for Excellent Young Scientists and Technicians of Guizhou;National Project for Innovative Experiments of College Students(Guizhou University200820)~~; [Objective] The aim was to build spectral diagnosis model for nitrogen nutrition in rice leaf.[Method] Through determination of transmission,absorption spectra and nitrogen content on rice leaves of different rice var...; 关键词：RICE LEAF Nitrogen content Spectral index MODEL

DOAS tomography for the retrieval of trace gas profiles from satellite-based UV-Vis limb spectra: 《Chinese Optics Letters》2011年第2期1-4,共4页汪自军陈圣波杨春燕王明常; supported by the National "863" Program of China (No. 2006AA12Z102);the Graduate Innovation Fund of Jilin University (No. 20091023); A new method is employed for retrieving the profiles of trace gas number densities from satellite-based ultraviolet-visible （UV-Vis） spectra of scattered sunlight, which are recorded from the limb atmosphere over a ...; 关键词：TOMOGRAPHY

Ozone profiles retrieval from SCIAMACHY Chappuis-Wulf limb scattered spectra using MART被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2011年第2期273-280,共8页WANG ZiJun CHEN ShengBo JIN LiHua YANG ChunYan; supported by the National High Technology Research and Development Program (Grant No 2006AA12Z102);Graduate Innovation Fund of Jilin University (Grant No20091023); The Scanning Imaging Absorption spectroMeter for Atmospheric ChartographY(SCIAMACHY) instrument,launched on the Envisat satellite in March 2002,measures the earthshine radiance,simultaneously from the ultraviolet(UV) ...; 关键词：SCIAMACHY limb scatter MART radiance normalization wavelength pairing

Particle size characterization by ultrasonic attenuation spectra被引量：15: 《Particuology》2008年第4期276-281,共6页Mingxu Su, Minghua Xue, Xiaoshu Cai, Zhitao Shang, Feng Xu Institute of Particle and Two-Phase Flow Measurement, University of Shanghai for Science and Technology, Shanghai 200093, China; National High Technology Development 863 Program(2006AA03Z349);National Science Foundation of China (50706029);Shang-hai Education Committee Foundation (07ZZ88); This paper contributes to extracting information from signals of broadband ultrasonic attenuation spectrum for effective utilization in particle size characterization. The single particle scattering model and the coup...; 关键词：Ultrasonic spectrum PARTICLE SIZE INVERSION

Synthesis and Spectroscopic Investigation of Azoporphyrins: 《Chinese Chemical Letters》2005年第9期1181-1184,共4页Xin Gang LIU Ya Qing FENG Fei LI Xue CHEN Xiang Gao LI Chun Yan ZHANG; This work was supported by the National High Technology Research and Development Program of China(863 Program)(No.2002AA325050).; The synthesis of a series of new covalently-connected azoporphyrin derivatives is described and the photochemical properties of the new compounds are discussed. The two chromophores of these derivatives exhibit their ...; 关键词：Azo-porphyrin UV/Vis-spectra fluorescence quenching

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