嵌入维是时间序列相空间重构中的基本参数。
In phase space reconstruction of time sequences, the selection of embedding dimension is important.
利用伪最邻近点法确定相空间重构的最小嵌入维数。
The minimum embedding dimension of reconstruction is confirmed by the false nearest neighbours method.
通过用虚假临界点法计算嵌入维数可以使小数据量法更加完善。
The small-data method is improved by false nearest neighbor method calculating embedding dimension.
这一结果基本不受个体、数据长度、嵌入维数以及延迟时间的影响。
This result not change by and large when object, the length of data, embedded dimensions and delay time change.
指出递归网络要实现逼近,需考虑初始条件、嵌入维数、逼近时效等因素。
And point out that in order to realize the approximation of recurrent networks, the initial conditions, embed dimension and approximation effects must be considered.
分别采用互信息方法确定重构最佳时延和和关联积分法确定重构嵌入维数。
Mutual information method and correlation integral method were presented to get the two optimal parameters.
基于混沌时间序列的局域线性预测模型,提出了多嵌入维的短期负荷预测方法。
Based on local linear prediction model of chaotic time series, short-term load forecasting method on multi-embedding dimension is presented.
论述相空间重构中延迟时间与嵌入维数之间的关系,提出广义嵌入窗长的概念。
The relationship of embedding dimension and delay time is discussed and a new concept namely the generalized embedding Windows is put forward.
本文基于“增大重构维以减少虚邻点”的思想,构造了一种求合适最小嵌入维的方法。
Based on the idea of looking at the behavior of near neighbors under changes in the reconstruction dimension, a new method to determine the proper minimum embedding dimension is constructed.
葫芦娃网站界面的若干部分、关于网站操作的详细说明和指导现在已经嵌入维基文章。
Some parts of the cucumis. org interface, as well as details and tutorials about how the website should be used, are now embedded in wiki articles.
根据单变量时间序列的混沌预测方法,只要嵌入维数和延迟时间选择得合理,便能进行精确的预测。
Based on the prediction method of univariate time series, and according to the proper selection of dimension and delay time, the time series can be predicted precisely.
通过相空间重构技术,选取合适的延迟时间和嵌入维数,将反映市场需求的时间序列嵌入到相空间中。
By phase space reconstruction, choosing the most suitable delay time and embedding dimension in order to embed time series which reflect the demanding into the phase space.
讨论混沌时间序列的区间预测,给出了最优嵌入维数的搜索算法及区间预测算法,并应用于实例,取得较好效果。
Algorithms for searching the optimal embedding dimension and interval prediction are presented, which can be applied in practice with satisfactory.
该方法联合考虑了嵌入滞时和嵌入维数,可同时计算出嵌入滞时和嵌入窗宽,避免了以往确定嵌入窗宽的主观性。
The correlation integral method can estimate both the time delay and the embedding window, and can avoid subjectivity in calculating the embedding window.
通过选择合适的嵌入维数计算出的关联维数能够反映系统的真实特性,所以关联维数可以作为削片机检测的一个特征参量。
By choosing suitable insertion dimensions, the correlation dimensions can reflect the real dynamic characteristics of the system and correlation dimensions cou...
最后实验分析了SLLE算法近邻数K和嵌入维数对识别率的影响,得到了SLLE算法的最优近邻数K和低维嵌入维数。
Recognition rate is superior to the traditional PCA algorithm. Finally experiments analyze the relationship between neighbor K and the embedding dimension of algorithms SLLE to the recognition rate.
实例分析表明,相对于单嵌入维数法,多嵌入维数组合预测方法可以综合利用不同相空间中的有用信息,提高径流时间序列预测的精度。
The results of actual runoff prediction show that the proposed method could use information synthetically in multi-dimension embedding phase spaces, and effectively improve the prediction accuracy.
每个螺线管回路的一半都换成了铝卡,其中嵌入了细小的维卡合金棒形磁铁。
One-half of each solenoid loop was replaced with an aluminum card into which tiny vicalloy bar magnets were embedded.
为了平衡鲁棒性和不可感知性,新的适用于3维的人类视觉模型被重构并用于调整水印的嵌入强度。
To make the compromise between the robustness and the imperceptivity, a new 3-d HVS model is reconstructed and used to adjust the embedding strength.
本文用一个相当初等的方法,说明了如何把一个3维流形嵌入到5维空间中去。
Using an elementary method, we illustrate how a-3-manifold can be embedded into a 5-space in this note.
实验证明,基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时,表现出了优良的率失真性能。 并且算法复杂度适中,具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
二维带宽问题是:确定图G在平面格子上的一个嵌入,使得最长边尽可能短。
The two dimensional bandwidth problem is to determine an embedding of graph G in a grid graph in the plane such that the longest edges are as short as possible.
数值测试表明,按混沌理论优选的延时时间和嵌入相空间的维数一般不是负荷预测的最适合参数。
Numerical simulation test shows that the delay time and embedded space dimension given by chaos theory usually are not the best ones for load forecasting.
实验表明嵌入式零材编码方法可以用在非分离型二维子波变换情况,在低比特率时有很好的巅值信噪比PSNR。
The experiment shows that the embedded zerotree coding method can be used in the case of nonseparable wavelet transform and has good PSNR at low compression ratio.
并用二维混沌映射对嵌入位置进行加密。
提出一种基于二维经验模式分解(BEMD)的图像水印嵌入算法,完成水印的嵌入和提取。
This paper proposes an image processing method which is based on Bidimensional Empirical Mode Decomposition (BEMD). BEMD is applied in watermark embedding and extraction.
本文基于三维离散余弦变换(3D-DCT)技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
第一,基于双频毫米波辐射计的扫描要求,设计了基于PC计算机和嵌入式系统道的两维伺服驱动电路,完成了扫描控制、通信协议和伺服驱动控制的软件设计。
Firstly, a two-dimensional servo-control driver circuit, which consists of PC and an embedded system, is designed based on the scanning requirement of the dual frequency millimeter wave radiometer.
二维带宽问题是将图G的顶点嵌入平面格子图,使其最长的连线尽可能短。
The two-dimensional bandwidth problem is to find an embedding of graph G in a grid graph in the plane so that the longest edges are as short as possible.
提出了确定嵌入式三维接口线切割轨迹的画法几何方法。
A descriptive geometry method is presented to obtain the track of wire incision in processing the three dimensional cut.
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