重构

Based on the chaotic characteristic of time series of power loads and combining the phase space reconstruction theory of chaotic time series and regression theory of supporting vector machines, a short-term load forecasting model based on chaotic characteristic of loads and least squares SVM is built.

以负荷时间序列的混沌特性为基础，结合混沌时间序列的相空间重构理论和支持向量机的回归理论建立了一种基于负荷混沌特性和最小二乘支持向量机的短期负荷预测模型。

On the basis of chaos theory, phase space reconstruction and embedding theory, time series of dissolved oxygen of the Lianshui River are analyzed and attractors dimension and Lyapunov exponent are calculated as well.

基于混沌理论、相空间重构思想和嵌入理论分析涟水流域溶解氧的时间序列，计算吸引子维数和最大的Lyapunov指数，研究河流水质系统的复杂性特征。

We introduce the phasespace reconstruction theory of the chaotic time series and give a method of calculating its Lyapunov spectrum with neural network. This method needs less data and has high precise results.

对于混沌系统单变量时间序列，介绍了相空间重构方法，提出了用人工神经网络计算混沌时间序列Lyapunov指数谱的方法，这种方法就有较高的计算精度，需要的数据点较少，因而具有较强的实用性。

Secondly we reseach the prediction theory of chaotic time series,by combining fractal geometry theory and the maximum entropy principle,a new mathod of pridicting chaotic time serise is proposed based on phase space reconstruction.

其次，研究混沌预测的理论，在重构混沌时间序列的基础上，运用分形理论和最大熵原理，推导出一种新的混沌预测方法。

A new de-correlation DOA estimation algorithm was proposed. It was based on the cross-correlation vector Toeplitz matrix reconstruction.

针对相干信号源的波达方向角估计问题，提出了一种能有效解相干的互相关矢量Toeplitz矩阵重构算法。

Firstly, the mode excitation method is used to transform the UCA in element space into a virtual ULA in mode space. Then a Toeplitz matrix can be reconstructed to estimate DOA of coherent signals successfully.

该算法对均匀圆形阵列的输出信号进行模式激励，使其成为模式空间内的虚拟阵列；在此基础上重构一个Toeplitz 矩阵，成功地估计出相干源的来波方向。

Correlation and signal-to-noise ratio of the space sources can affect the resolution of DOA estimation of subspace algorithms. Using this relation, the algorithm changes the correlation and SNR of the equivalent sources by processing the Toeplitz matrix based on the Toep-MUSIC algorithm, so that the resolution of DOA estimation can be improved.

改进算法利用信源间相关性和信噪比对子空间类DOA估计算法分辨力的影响，在Toep-MUSIC算法基础上，通过对Toeplitz重构矩阵的处理，改变了等效信源的相关系数和信噪比，从而使DOA估计分辨力得到提高。

In allusion to the energy-concentrated property of LFM signal in the fractional Fourier domain, the data model of array matrix is constructed by the algorithm and the decorrelation ability is obtained by establishing a new Toeplitz matrix. After performing a spectrum peak research, DOA estimation of coherent wideband LFM signals is obtained.

针对分数阶傅里叶交换的谱峰聚集特点，该算法构造了分数阶傅里叶域的宽带LFM信号的阵列数据模型，在FRF域内利用Toeplitz矩阵重构特性，实现对相干信号的解相干，最后通过谱峰搜索完成入射信号的DOA估计。

As an example, the time series of China composite stock index is considered Firstly, the distribution of five days return on China composite stock index is studied. Secondly, based on the R/S analysis Hurst exponent is worked out and determination detecting can be done . Lastly, the topological characteristics such as correlation dimension and maximum Lyapunov exponent are extracted from time series.

作为例子，本文对中国股票指数时间序列做了实证分析，首先研究了中国股票指数的五天收益率的分布规律，然后运用重标极差分析方法计算出赫斯特指数，并以此为基础进行确定性检验，最后在相空间重构的基础上提取吸引子的拓扑特征指数。

TDPR? Trace Directed Program Restructuring?

痕迹导向的程序重构

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！