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- The data for experimentation was got from Internet,and the model was established with the reconstructed phase space and Kalman. 实验数据通过网络获取,模型采用的是相空间重构与卡尔曼滤波计算的方法来对超短期汇率数据进行建模和预测,并与BP神经网络模型进行了比较。
- A fault diagnosis method based on singular spectrum analysis is described based on the reconstructed attractor in reconstructed phase space. 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。
- In the reconstructed phase space, the equal-dimension and new information prediction model of coal washery daily water consumption time series was established based on LSSVM. 用微熵率法求得选煤厂日用水量时间序列的最佳嵌入维数和最佳延迟参数,重构相空间,建立了基于最小二乘支持向量机的选煤厂日用水量时间序列等维信息一步预侧模型。
- A new denoising method for ultrasonic nondestructive evaluation(NDE) signal based on reconstructed phase space (RPS) and independent component analysis (ICA) was proposed. 摘要提出了一种新的基于相空间重构和独立分量分析的超声信号去噪方法。
- Based on nonlinear prediction ideas of reconstructing phase space,this paper presents a time delay BP neural network model,whose generalization is improved utilizing Bayesian regularization. 基于相空间重构的非线性预测思想,建立一个时滞的BP神经网络模型,采用贝叶斯正则化方法提高BP网络的泛化能力,区别于一般的预测方法,非线性预测不仅注重数据拟合和精度改进,而且能够反映被预测系统的非线性特征。
- What are the risks in the reconstruction phase? 在重建阶段,存在哪些腐败风险?
- Reconstruction phase space 相空间重构
- reconstruct phase space 相空间重构
- Calculation of some nonlinear index of EEG based on phase space reconstruction is important for study of brain. 摘要在脑电序列相空间重构的基础上计算非线性测度是研究大脑功能和状态的重要方法。
- The method involves principal components analysis, phase space reconstruction and least squares estimate. 方法包括3部分:主分量分析,相空间重构,最小二乘拟合。
- This new method with chaos phase space reconstruction was proved to be efficient and available to forecast abso... 证明了这种基于混沌相空间重构技术的新方法处理已有的瓦斯等级鉴定结果,预测来年的绝对和相对瓦斯涌出量是可行、可靠的。
- Because of their anomalistic locus,it is difficult for the phase space reconstruction. 其相空间轨迹变得极不规则,更难于相空间重构;
- Based on this, a shortterm forecasting chaos neural network (NN) model of WWTP influent was built by phase space reconstruction. 在此基础上,通过相空间重构的方法建立了用于城市污水水量短时预测的混沌神经网络模型;
- Theory and Practice on Reconstructed Phase Space of the Economic Time Series and Chaotic Characteristics 经济时间序列相空间重构与混沌特性判定研究
- The Noise Cancellation for Ultrasonic Signals Using Reconstructed Phase Space and Independent Component Analysis 基于相空间重构和独立分量分析的超声信号噪声消除
- In the case of chaotic time series, using phase space reconstruction and probability raising method can extract the UPO’s embedded in the chaotic time series. 混沌时间序列的情况下,通过相空间重构技术和概率提升法可以计算嵌入于其中的不稳定周期轨道。
- Keywords electromagnetic emission time series(EME);reconstructed phase space;correlation dimension;lyapunov exponent; 煤岩电磁辐射信号;重构相空间;关联维;李雅谱诺夫指数;
- Conclusion Image quality of 64-slice CT coronary angiography affected by the patient's heart rate, fluctuation of heart rate, breathing artifact and reconstruction phase. 结论64层螺旋CT冠状动脉成像质量受到患者心率、心率波动福度、呼吸运动伪影及重建时相的影响。
- After writing down some of theories of the analysis of nonlinear time series, we choose the "Lempel-Ziv measure of complexity" and "The reconstruction of phase space" to study the heart sounds time series. 所以文中对一些有关非线性时间序列分析的数学工具进行描述之后,就选择“Lempel-Ziv复杂性测度”和“相空间重构技术”来分析心舒期心音时间序列。