云南高校图书馆联盟文献共享服务平台- PERIODOGRAM

PERIODOGRAM: 作品数：15被引量：22H指数：3; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：李彬彬洪中华张兴敢唐岚柏业超更多>>; 相关机构：东南大学上海海洋大学南京大学云南师范大学更多>>; 相关期刊：《Open Journal of Modern Hydrology》《Transactions of Nanjing University of Aeronautics and Astronautics》《Acta Mathematicae Applicatae Sinica》《Chinese Annals of Mathematics,Series B》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更多>>

Lomb-Scargle Periodogram方法研究耀变体3C 454.3长周期光变特性: 《天文研究与技术》2022年第4期283-290,共8页陆林张皓晶张欢马凯旋; 国家自然科学基金(11063004);云南省中青年学术和技术带头人后备人才(2017HB020)资助.; 从SMARTS(The Small and Moderate Aperture Research Telescope System)数据库和文献中收集耀变体3C 454.3(z=0.859)从2008年6月到2017年7月光学波段B,V,R和红外波段J,K的数据,分别获得了B波段891组、V波段855组、R波段877组、J波段86...; 关键词：蒙特卡洛模拟加权小波Z变换黑洞质量辐射区半径

单天线GNSS反射信号的积雪厚度反演被引量：4: 《全球定位系统》2016年第6期37-41,54,共6页李彬彬张云杨树瑚洪中华韩彦岭; 国家自然科学基金(批准号:41376178;41401489;41506213); 积雪作为冰冻圈内对气候变化最敏感的要素之一,与气候变化和水文循环过程都密切相关,是国际冰冻圈研究的一个重要方向。本文为了探究基于全球导航定位系统反射信号(GNSS-R)技术对积雪厚度检测的可行性,利用美国科罗拉多大学在美国科罗...; 关键词：GNSS-R SNR 积雪厚度 Lomb scargle periodogram算法

Video Shot Boundary Detection Using Normalized Periodogram Distance Metric: 《Circuits and Systems》2016年第10期2875-2883,共10页A. Sasithradevi S. Mohamed Mansoor Roomi; Video shot boundary detection is the primary task for content based video management and retrieval system. This paper proposes a shot boundary detection strategy by exploiting the pros of Normalized Periodogram for ef...; 关键词：Shot Boundary Abrupt Transition Gradual Transition Normalized Periodogram

A novel period estimation method for X-ray pulsars based on frequency subdivision被引量：2: 《Frontiers of Information Technology & Electronic Engineering》2015年第10期858-870,共13页Li-rong SHEN Xiao-ping LI Hai-feng SUN Hai-yan FANG Meng-fan XUE; Project supported by the National Basic Research Program(973)of China(No.2014CB340205);the National Natural Science Foundation of China(Nos.61301173 and 61473228);the Aerospaced TT&C Innovation Program of 704 Research Institute of China(No.201405B); Period estimation of X-ray pulsars plays an important role in X-ray pulsar based navigation （XPNAV）. The fast Lomb periodogram is suitable for period estimation of X-ray pulsars, but its performance in terms of freq...; 关键词：Pulsar navigation Period estimation Frequency subdivision Continuous Lomb periodogram

Application of Synthetic Meteorological Time Series in BROOK90:A Case Study for the Tharandt Forest in Saxony,Germany: 《Open Journal of Modern Hydrology》2013年第4期214-225,共12页Kronenberg Rico Güttler Tino Franke Johannes Bernhofer Christian; supported by the German Academic Exchange Service(DAAD).; This study presents an extended version of a single site daily weather generator after Richardson. The model is driven by daily precipitation series derived by a first-order two-state Markov chain and considers the an...; 关键词：Richardson Model Weather Generator BROOK90 Synthetic Time Series LARS-WG Forest Water Balance Taylor Diagram Cumulative Periodogram

Fast approximate maximum likelihood period estimation from incomplete timing data被引量：2: 《Chinese Journal of Aeronautics》2013年第2期435-441,共7页Ye Haohuan Liu Zheng Jiang Wenli; supported by the National Natural Science Foundation of China (No. 61002026); To estimate the period of a periodic point process from noisy and incomplete observations, the classical periodogram algorithm is modified. The original periodogram algorithm yields an estimate by performing grid sear...; 关键词：Grid search Maximum likelihood period estimation Periodic point process PERIODOGRAM Pulse repetition frequency

SUBSAMPLE TIME DELAY ESTIMATION BASED ON PHASE SPECTRUM OF BAND LIMITED STOCHASTIC SIGNALS被引量：4: 《Transactions of Nanjing University of Aeronautics and Astronautics》2010年第2期170-175,共6页柏业超张兴敢唐岚; Supported by the National Mobile Communications Research Laboratory Foundation (N200902)~~; The accuracy of conventional time delay estimation （TDE） algorithms is limited by the sampling interval. A novel algorithm of subsample TDE suitable for widehand signals is presented to improve the accuracy. This al...; 关键词：parameter estimation time delay cross-power density spectra INTERPOLATION PERIODOGRAM

Some Properties of Periodogram of Autoregressive Integrated Moving Average Process被引量：2: 《Journal of Southwest Jiaotong University(English Edition)》2008年第4期414-418,共5页徐立霞刘次华; Based on the analysis of periodogram, this paper discussed the properties of periodogram of autoregressive integrated moving average process ARIMA（p,1 ,q）, and found that the periodgram of ARIMA（p,1 ,q） process is...; 关键词：Nomtationary time series PERIODOGRAM ARIMA（p 1 q）

The possible influence of solar activity on Indian summer monsoon rainfall被引量：7: 《Applied Geophysics》2007年第3期231-237,共7页Ma Lihua Han Yanben Yin Zhiqiang; The study is supported by the National Natural Science Foundation of China under （Project No. 10373017）.Acknowledgements The authors are grateful to IITM and SIDC for providing Indian the summer monsoon rainfall and sunspots series, respectively. The wavelet transform software is provided by C. Torrence and G. Compo.; The Indian summer monsoon rainfall （ISMR） plays an important role in the climate system of South Asia. Recently, studies about ISMR variations have been going into more depth. In this present paper, we mainly use th...; 关键词：Summer monsoon rainfall solar activity scargle periodogram wavelet transform

Spectral Analysis of Stock Data Series and Evidence of Day-of-the-Week Effects: 《Journal of Shanghai University(English Edition)》2002年第2期136-140,共5页李卫华王朔中; Daily return series of Dow Jones Industrial Average Index (DJIA) and Shanghai Conposite Index are investigated using spectral analysis methods. The day of the week effect is found in the frequency domain in both ...; 关键词：daily return day of the week effect PERIODOGRAM maximum entropy.

PERIODOGRAM