3) detrended fluctuation analysis
去趋势波动分析
1.
Determining the threshold of extreme events with detrended fluctuation analysis;
基于去趋势波动分析方法确定极端事件阈值
2.
The detrended fluctuation analysis algorithm was applied to PRV series which extracted from PPG signals,and the s.
方法利用PPG传感器采集健康人(18人)和冠心病患者(18人)的指尖脉搏波信号,并从脉搏波中提取脉搏变异性信号,利用去趋势波动分析算法对其进行分析,计算两类病人各自的标度指数。
3.
The heart rate of 10 healthy subjects and 30 SAHS petients,detected from the micro-movement sensitive mattress sleep monitoring system(MSMSMS),was analyzed using detrended fluctuation analysis(DFA),and fractal exponents in different sleep stage were calculated.
根据微动敏感式床垫式睡眠监测系统(MSMSMS)所得10名健康者的心率和30名不同程度SAHS患者的心率,利用去趋势波动分析(DFA)方法,计算他们在各睡眠阶段的标度指数。
4) detrended fluctuation analysis
非趋势波动分析
1.
By using the detrended fluctuation analysis,the approximately 100 years time series of the average monthly river runoff in the upstream of the Yellow River is analyzed to depict its inherenced law and the longrange correlation.
运用非趋势波动分析法,对黄河上游河川径流近百年月平均流量序列进行了分析,揭示了河川径流的长程相关性及其内在规律性。
2.
On the bases of scaling of stock fluctuation and detrended fluctuation analysis (DFA) the application is researched,the scaling aniorrelation of the index of the Shanghai stock Market,Shenzhen stock Market and Dongdaapai in china,and we analysed practically calculated the DNA walk disptecement,the volatility and scaling ancorr.
标度无关性是广泛存在于自然界系统甚至于经济金融系统可观测量的幂函数关系 ,它揭示了股票市场波动的金融复杂性·在分析股市波动标度无关性及其非趋势波动分析DFA算法基础上进行了应用研究 ,对中国上海、深圳两地股市和东大阿派股价指数进行了标度无关性分析 ,实际计算了这些股指DNA游走位移、均方值和标度无关性指数 ,结果表明这些股指均具有持久
3.
The detrended fluctuation analysis(DFA) method is applied to effectively eliminate noise and possible non-stationary information in the data series and thus the scaling index is gained,which is a parameter to depict the long behavior of the river runoff evolvement quantificationally.
应用非趋势波动分析法,有效消除了数据中的噪声和非平稳信息影响,得到了定量描述河川径流长期演变行为的参数,即标度指数。
5) long-term trend fluctuation
长期波动趋势
6) moving detrended fluctuation analysis
滑动去趋势波动分析
1.
Comparison of characteristics of moving detrended fluctuation analysis with that of approximate entropy method in detecting abrupt dynamic change
滑动去趋势波动分析与近似熵在动力学结构突变检测中的性能比较
补充资料：X线的波动性
X线的波动性
物理学术语。X线是一种波长很短的电磁波。其波动性主要是表现以一定的波长和频率在空间传播，并发生折射、反射、干涉、衍射等现象。X线是一种横波，以波动方式传播，在真空中其波速与光速相同。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条