奇异谱分析
- 网络Singular spectrum Analysis;SSA
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结果表明,奇异谱分析方法比自回归模型有较好的预测效果,对我国160站汛期降水的预测准确率达50%。
The results indicate that the forecasting skill of SSA is higher than conventional auto regression models . The SSA model gives a skill of 50 % in the forecast of summer rainfall when applied to 160 stations in China .
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石河子气温变化趋势特点的奇异谱分析
SSA of the Special Features and Trend of Air Temperature in Shihezi
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基于奇异谱分析的降噪方法及其在计算最大Liapunov指数中的应用
Denoising Method Based on Singular Spectrum Analysis and Its Applications in Calculation of Maximal Liapunov Exponent
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本文从理论上证明,奇异谱分析(SSA)是一种广义功率谱分析。
It is theoretically demonstrated that singular spectrum analysis ( SSA ) is a generalized power spectrum analysis in this paper .
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本文还介绍了另一种多重分形的分析方法&多重分形奇异谱分析,并用该方法对充血性心力衰竭信号(Congestiveheartfailure,CHF)和心脏性猝死信号做了多重分形特性分析。
We also introduced another method of multifractal analysis - multifractal singular spectrum analysis ( MF-SSA ) in this paper , and researched the multifractal characteristic of congestive heart failure ( CHF ) and SCD signals .
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本文还采用奇异谱分析(SSA)方法,分析了存在于极地海冰演变中的各种时间振荡周期。
The period phenomena in the time evolution of Antarctic and Arctic sea ice are investigated by Singular Spectrum Analysis ( SSA ) method .
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采用奇异谱分析(SSA)技术,取60个月的窗口长度分析了1951-1997年的南方涛动指数(SOI)序列。
The Southern Oscillation Index ( SOI ) time series is analyzed by means of the singular spectrum analysis ( SSA ) method with 60-month window length .
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先对相空间进行奇异谱分析,进而对原始相空间进行旋转,使其成为正交的等效空间,然后再使用GP算法。
An improved approach as follows : Firstly , to apply singular system analysis on phase space , transform the original phase space by circumvolving to a orthogonal equivalent space , then use G-P algorithm .
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采用带通滤波法,奇异谱分析(SSA)和小波分析(WTA)综合研究了近50年中国降水场的准两年周期振荡(QBO)的分布型态及其长期变率特征。
The distribution pattern and long term variability of QBO rainfall field of China are comprehensively studied by using belt-pass filtering , singular spectrum analysis ( SSA ) and Wavelet analysis ( WTA ) .
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采用奇异谱分析(SSA)与自回归(AR)预测模型相结合的方案,对Nino海区平均SST逐月距平序列作自适应滤波意义下的超前预报。
A short-term prediction ahead of time on monthly mean SSTA over Nino ( 1-4 ) oceanic region is made in the context of adaptive filtering using the Singular Spectrum Analysis ( SSA ) and Auto-regression ( AR ) model in this paper .
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此外,奇异谱分析方法(SSA)主要应用于地震信号的处理中,它将时间序列周期分解与时间尺度密切关联,是基于建立在时间序列的特殊矩阵的一个奇异值分解。
In addition , singular spectrum analysis ( SSA ) is mainly used in the seismic signal processing , and made the time series period decomposition strongly associated with the time scales . It is based on singular value decomposition for the time series of matrix .
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采用奇异谱分析(SSA)方法对重庆市长年代逐月地面气温及降水资料进行了分析,结果表明,重庆市气温序列存在准2年、准4年周期及16个月的年际振荡特征;
Using the singular spectrum analysis , the climatic feature of moth-to-moth surface air temperature and precipitation in Chongqing have been analyzed during the past years . The results show that the quasi-periods of air temperature series are main about 2 and 4 years and 16 months .
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基于奇异谱分析的上证指数预测模型
Singular Spectrum Analysis and Forecast Model Based on Shanghai Composite Index
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青藏高原东部雪灾的奇异谱分析
The Singular Spectrum Analysis of Snow Damage in Eastern Qinghai-Xizang Plateau
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基于小波变换的脑电高阶奇异谱分析
Higher Order Singular Spectrum Analysis of EEG Based on Wavelet Transform
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汛期降水的奇异谱分析及预报试验
Singular spectrum analysis and its forecasting experiments on summer rainfall
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基于奇异谱分析的混沌序列降噪
De-Noising of Chaotic Time Series Based on Singular Spectrum Analysis
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磁共振截断频谱信号重建的奇异谱分析法
Signal reconstruction from Mr truncated data using singularity spectrum analysis
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用奇异谱分析作汛期降水的中期气候预测
Medium-term Climate Prediction of Rainy Season with Singular Spectrum Analysis
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基于多尺度奇异谱分析的转子碰磨诊断的数值仿真
The Simulation of Rub Diagnosis of Rotor Based on Multi-Scale Singular-Spectrum Analysis
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上海年、季降水演变的奇异谱分析
The singular spectrum analysis for precipitation of year and seasons in Shanghai
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基于奇异谱分析的发动机故障诊断方法
The Method of Fault Diagnosis for Engine Based on the Singular Spectrum Analysis
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非线性时间序列的高阶奇异谱分析
Higher order singular spectrum analysis of nonlinear time series
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奇异谱分析的广义性及其应用特色
Generality and applied features for singular spectrum analysis
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基于奇异谱分析的校正磁共振图像非均匀场的新方法
A New Approach for Correcting Bias Field in MR Images Using Singularity Spectrum Analysis
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用奇异谱分析诊断地面气温场低频振荡周期
Diagnosis of Low-Frequency Oscillation Period of the Surface Temperature Field in the Southeast China
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奇异谱分析是数字信号分析的一种新方法。
Singular spectrum analysis ( SSA ) is a novel way to analyze digital signals .
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脑电信号的高阶奇异谱分析
Higher order singular spectrum analysis of EEG
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全球平均海温演变的奇异谱分析
The Singular Spectrum Analysis for Global SSTA
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在重构相空间重构吸引子的基础上,提出一种基于奇异谱分析的设备故障诊断方法。
A singular spectrum analysis between the spatial and temporal changes of beach volumes and wave fields ;