1) the method of reconstructingphase space
重构相空间法
2) reconstructing phase space
重构相空间
1.
International and domestic lead-zinc output and consumption are investigated in detail,and the trends of lead-zinc production and consumption are predicted with a method of chaotic theory of reconstructing phase space.
通过对世界与我国铅锌产量和消费量的详细调查,采用混沌理论重构相空间预测方法,对世界与我国铅锌生产和消费趋势进行了预测。
3) reconstruction phase space
重构相空间
1.
<Abstrcat>Considering the character of reconstruction phase space of chaos time series,the good global searching ability of GA and the effective local searching capacity of BP neural network,the runoff prediction model of BP neural network based on phase space and GA was purposed in this paper,through combining reconstruction phase space,GA with BP neural network.
基于混沌时间序列的重构相空间、遗传算法的良好全局搜索和神经网络精确的局部搜索特性,以重构相空间中的饱和嵌入维数作为神经网络输入层节点数,通过采用遗传算法优化神经网络初始权重,将重构相空间、遗传算法、神经网络三者有机地结合,提出并建立了相空间遗传BP神经网络预测模型。
4) phase space reconstruction
重构相空间
1.
This self-similarity keeps in close contact with the attractor of the chaos system based on the theory of phase space reconstruction about chaotic time series and the largest Lyapunov exponents.
本文基于混沌时间序列重构相空间理论,根据最大Lyapunov指数,分别采用W o lf原始算法和改进算法,对高速网络中自相似信源的速率进行了预测,并给出了最大可预报时间。
5) reconstructed phase space
重构相空间
1.
The correlation dimension and maximum Lyapunov exponent in each reconstructed phase space with EME time series were studied,and it is found that correlation dimension tends to a stable value.
为了研究煤岩电磁辐射响应信号的复杂性及其动力学特征,通过对华丰矿实测煤岩电磁辐射信号的相空间分析,计算并分析重构相空间中的煤岩电磁辐射信号的关联维及最大李雅谱诺夫指数随嵌入维增加而发生变化的情况,发现其关联维趋于一稳定值,此外它还具有正的最大李雅谱诺夫指数,为进一步对煤岩电磁辐射响应信号进行混沌分析打下基础。
2.
Nonlinear analysis of the dynamic behaviors of multi - phases flow system is conducted by reconstructed phase space, Poincare section, correlation dimension and Kolmogorov entropy.
通过重构相空间、Poincare截面、分维和Kolmogorov熵等混沌分析方法对气液固三相并流流动系统的压力波动信号进行了定性研究,研究表明:此类系统存在有非线性混沌现象;并用确定性混沌分析方法对其压力波动信号作了进一步探讨。
3.
Nonlinear models for speech in the reconstructed phase space is more appropriate for the actual systems than the linear one.
相对于线性模型,在重构相空间中建立的语音信号模型更接近实际系统,神经网络是建立非线性系统模型的常用工具。
6) Reconstruction of phase space
相空间重构
1.
Its relative correlation distance entropy of different fault or state is calculated based on its real vibration test data in time series, after reconstruction of phase space and the optimization of the reconstruction parameters such as the embedding dimension and the interval of delay time.
在相空间重构的基础上,基于实测的航空发动机机匣振动时间序列求解了转子—机匣系统不同工作状态和故障状态的相对关联距离熵,并基于相对关联距离熵,对航空发动机转子—机匣系统进行了状态识别和故障诊断。
2.
In this paper the reconstruction of phase space formed by the time series of displacement obtained in landslide is introduced at first, then a kind of Lyapunov exponent algorithm for time series of displacement obtained in landslide is proposed.
介绍了滑坡监测位移时间序列相空间重构技术,并研究了适合于计算滑坡位移时间序列Lyapunov指数的算法。
3.
To search chaos character in economic time series , we present a combined forecasting method of economic chaos basing on genetic algorithms and the reconstruction of phase space given by Wolf, this method takes advantage of genetic .
为了探求经济时间序列中的混沌特性 ,文中在Wolf提出的相空间重构的基础上 ,提出了一种基于遗传算法的经济混沌组合预测方法 ,在该方法中采用自适应并行遗传算法确定组合模型中权系数 ,这样可以较好地解决传统经济混沌预测大多数都是使用单一模型以至影响了预测精度等问题 ,最后以实例检验了提出的算法 ,证明有效可行。
补充资料：油溶重铬酸盐明胶印相法
油溶重铬酸盐明胶印相法(Oil process )，使用重铬酸胶体的感光材料，然后用油彩染色的工艺照相之一种。
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