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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>>

Temperature fluctuations and heat transport in partitioned supergravitational thermal turbulence: 《Acta Mechanica Sinica》2024年第6期20-30,共11页Dongpu Wang Jing Liu Rushi Lai Chao Sun; supported by the National Natural Science Foundation of China(Grant No.11988102);the New Cornerstone Science Foundation through the XPLORER PRIZE.; We report an experimental study of the local temperature fluctuationsδT and heat transport in a partitioned supergravitational turbulent convection system.Due to the dynamics of zonal flow in the normal system withou...; 关键词：Partitioned turbulent convection SUPERGRAVITY Probability density function Power spectra Heat transfer

On the Spectra of Strong Power Graphs of Finite Groups: 《Journal of Mathematical Research with Applications》2019年第5期453-458,共6页Ruiqin FU Xuanlong MA; Supported by the National Natural Science Foundation of China(Grant No.11801441);the Scientific Research Program Funded by Shaanxi Provincial Education Department(Program No.18JK0623);the Natural Science Foundation of Shaanxi Province(Grant No.2019JQ-056); Let G be a finite group of order n. The strong power graph of G is the undirected graph whose vertex set is G and two distinct vertices x and y are adjacent if x^n1 = y^n2 for some positive integers n1,n2 < n. In this...; 关键词：strong POWER graph CYCLIC group characteristic POLYNOMIAL spectrum

Combined approach for analysing evolutionary power spectra of a track-soil system under moving random loads被引量：3: 《Acta Mechanica Sinica》2019年第3期674-690,共17页Y.Zhao L.T.Si H.Ouyang; the National Basic Research Program of China (Grant 2014CB046803);the National Natural Science Foundation of China (Grant 11772084).; The pseudo-excitation method combined with the integral transform method (PEM-ITM) is presented to investigate the ground vibration of a coupled track-soil system induced by moving random loads. Commonly in the track ...; 关键词：Track-soil system MOVING random loads EVOLUTIONARY POWER spectrum Pseudo-excitation METHOD Integral transform METHOD Vibration transmission

Investigation of radio pulsar emission features using power spectra: 《Research in Astronomy and Astrophysics》2018年第8期63-70,共8页Valery M.Malofeev Sergey A.Tyul'bashev; support of a grant from the Russian Foundation for Basic Research(16–02–00954); Since 2013, round-the-clock monitoring of the sky has been carried out simultaneously in 96 beams using a high-sensitivity radio telescope called the Large Phased Array （LPA） at the frequency 110.25 MHz. These obser...; 关键词：PULSARS general - pulsars

Wind characteristics near the ground during typhoon Meari被引量：2: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2017年第1期33-48,共16页Xu WANG Peng HUANG Xian-feng YU Xin-rong WANG Hai-ming LIU; Project supported by the National Natural Science Foundation of China （No. 51378396）, the Open Project of Guangxi Key Laboratory of Disaster Prevention and Structural Safety （No. 2014ZDK005）, and the Chongqing Postdoctoral Science Foundation （No. Xm2015066）, China; Wind speed and direction data during typhoon Meari were obtained from eight anemometers installed at heights of 10, 20, 30, and 40 m on a 40-m tower built in the Pudong area of Shanghai. Wind-turbulence characteristic...; 关键词：Typhoon Meari Field measurement Turbulence integral scale Decay factor Power spectra

Spectra Power and Bandwidth of Fiber Bragg Grating Under Influence of Gradient Strain被引量：2: 《Photonic Sensors》2016年第4期333-338,共6页Qinpeng LIU Xueguang QIAO Zhen'an JIA Haiwei FU; This work was supported in part by the National Natural Science Foundation of China （No. 61077006,60727004, and 61077060）, in part by the Ministry of Education Project of Science and Technology Innovation （No. Z08119）, and in part by the Shannxi Province National Science Foundation under Grant 2016JM6055.; The reflective spectrum power and the bandwidth of the fiber Bragg grating （FBG） under gradient strain are researched and experimentally demonstrated. The gradient strain is applied on the FBG, which can induce FBG ...; 关键词：Fiber Bragg grating gradient strain reflective spectrum power reflective spectrum bandwidth

Empirical analysis of airport network and critical airports被引量：9: 《Chinese Journal of Aeronautics》2016年第2期512-519,共8页Cong Wei Hu Minghua Dong Bin Wang Yanjun Feng Cheng; co-supported by the National Natural Science Foundation of China(No.61304190);the Fundamental Research Funds for the Central Universities of China(No.NJ20150030);the Natural Science Foundation of Jiangsu Province of China(No.BK20130818); Air transport network, or airport network, is a complex network involving numerous airports. Effective management of the air transport system requires an in-depth understanding of the roles of airports in the network....; 关键词：Airport network Critical airport Spatial correlation Spectral clustering Power-law distributionPower spectra

Power spectra of active galactic nuclei被引量：1: 《Science China(Physics,Mechanics & Astronomy)》2009年第5期788-793,共6页WANG TaiShan WU YuXiang LIU Yuan; Supported by the Special Funds for Major State Basic Research Projects(Grant No.2009CB824800);the National Natural Science Foundation of China(Grant No.10533020); The power spectral densities(PSDs)for a sample of active galactic nuclei(AGNs)are analyzed in both the frequency domain and the time domain.We find for each object that for broadband noise a character timescale-bifurc...; 关键词：galaxies:nuclei X-rays:galaxies methods:data analysis

Signals Analysis and Clinical Validation of Blood and Oxygen Data in Human Brain: 《Chinese Journal of Biomedical Engineering(English Edition)》2005年第4期139-149,共11页LI Kai-yang LIU Li-jun WANG Xiang QIN Zhao XIE Ze-ping; With a self-made near-infrared analytical instrument to blood and oxygen parameters in human brain, 80 cases in which 20 are healthy persons and 30 are anaesthetised cases and others are patients with heart function l...; 关键词：Hemoglobin concentration and oxygen saturation in brain tissue Power spectra Correlation function

NEW METHOD TO OBTAIN THE POWER SPECTRA OF HIDDEN VARIABLES AND ITS APPLICATION TO OCEAN DATA被引量：2: 《Chinese Journal of Oceanology and Limnology》2001年第1期29-34,共6页魏恩泊田纪伟许金山; Project4 94 762 54supportedbyNSFC .; A novel method is proposed to obtain the power spectra of hidden variables in a chaotic time series. By embedding the data in phase space , and recording the conditional probability density of points that the trajecto...; 关键词：reconstructed phase space conditional probability density power spectraL

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