基于信号特征向量分解的一种唯一形式,我们提出了用递推算法来实现由一个或几个信号特征向量进行DOA估计。
Based on the unique decomposition of signal eigenvectors, we use one or more signal eigenvectors to estimate DOAs by an iterative algorithm.
故我们是把位置向量,分解为简单向量的和。
So, we want to decompose the position vector into a sum of simpler vectors.
其中,对于观测向量协方差阵的谱分解估计,我们很容易得到它在一些损失下的风险函数。
Thereinto, for the spectral decomposition estimate of the covariance matrix , we can gain the risk functions under some losses.
文中提出了首先用小波分析方法提取出瞬态信号的各级小波分解能量,然后再用r BF神经网络对提取的特征向量进行分类。
At first, all levels energy of wavelet decomposed in the transient are extracted by the means of wavelet analysis, then the extracted feature vectors are classified with RBF neural network.
通过建立向量误差修正模型并借助脉冲响应分析和方差分解,重点对中国近年来住房价格上涨中的金融因素进行分析。
With Vector Error Correction Model, impulse response analysis and variance decomposition, this paper analyzes the finance factors that cause the prompt rise of house price in China.
采用一种层次分解的支持向量机二叉决策树进行分类识别。
A hierarchical decomposed support vector machines binary decision tree is used for classification.
本文在基于向量自回归类模型的方差分解这一分析框架下将前人实证研究的方法和结论统一在一个新的分析框架内,并完整而细腻地描述了二者的相互关系。
In this paper we use the variance decomposition of the vector error correction model(VECM) to perfectly and detailedly show the relationship between the housing price and the land price.
基于小波分解提取人脸特征技术和多分类支持向量机模型,提出了一种新的准正面人脸识别算法。
This paper presents a novel algorithm for quasi-frontal face recognition based on the wavelet decomposition technique and a multi-class Support Vector Machine (SVM) model.
建立了半鞅向量随机积分的一个结果,能方便处理可料过程在向量随机积分意义下对半鞅的分解随可料过程不同而不同的问题。
It establishes a result which can be easily applied to the problem derived from the different predictable process in the decomposition of semimartingales in the sense of vector stochastic integrals.
针对故障率时间序列的非线性与非平稳特性,提出一种基于支持向量经验模态分解(SVEMD)的预测方法。
A prediction method based on support vector empirical mode decomposition (SVEMD) is proposed to deal with the non-linearity and non-stationarity of failure rate data.
该方法将振动信号小波包分解后的频带能量作为特征向量,输入到由多个支持向量机构成的多故障分类器中进行故障识别和分类。
According to the method, the energy of different frequency bands after wavelet packet decomposition constitutes the input vectors of support vector machine as feature vectors.
该算法基于重复利用核心模块的方式完成波前斜率计算,利用矩阵与向量相乘的可分解性完成波前复原计算。
The algorithm calculated the wave front slope by a reusing core module manner and complemented the wave front reconstruction with the decomposition of matrix-vector multiplication.
基于任务分解的策略,提出多支撑向量网络算法。
Based on the divided-and-conquer strategy, multiple support vector machine is proposed.
通过对字符图像的小波分解子图求取网格特征向量,构造出字符的小波特征向量。
Grid feature vector, belonging to the wavelet decomposition sub graph which got by character image wavelet transform, is used to construct character wavelet feature vector.
可逆的向量滑动平均(MA)模型参数估计问题本质上是一个矩阵谱分解问题。
The parameter estimation problem to the invertible vector moving average (ma) model essentially is a matrix spectral factorization problem.
文章首先将稀疏分解法等同于支撑向量回归(SVR)的一种形式,为稀疏分解法提供新的直观解释和求解方法。
First, algorithm equate the sparse_decomposition to a form of support_vector regression (SVR), for providing new interpretation and solution.
提出了基于小波包分解频带能量监测法,对滚动轴承的几种典型故障进行了诊断,并且提取特征向量,为后续的神经网络识别作准备。
Propose wavelet packet decomposition frequency-band monitoring method, diagnose typical failures of rolling bearing, and extract eigenvector to prepare follow-up Neural network identification.
利用球面调和级数的空间正交分解特性,计算三维颅骨的空间分解特征向量,继而构造三维特征描述子。
A new approach is presented to calculate 3d skull spatial decomposition feature vector through using the orthogonal decomposition property of spherical harmonic transform.
然后,采用小波包对采集的铣削力信号进行分解和消噪处理,并提取其能量特征作为BP神经网络的输入向量。
Then, wavelet packet was used to decompose and de-noise the milling force signal, as well as extracts the signals 'energy characteristics as import vectors of BP Neural Network.
针对现有车型识别存在的问题,提出利用经验模态分解和支持向量机的车型声频识别方法。
For the problem of automatic vehicle recognition, a recognition method is proposed based on EMD and support vector machine.
分析了用小波包能量分析方法提取故障信号特征向量的方法,并改进算法解决了小波包分解中的混频现象,根据最佳分解树进行了特征选择。
Based on the frequency domain feature, energy eigenvector of frequency domain is presented using wavelet packet analysis method, and the way of best tree is used to choose symptom.
该方法首先对地球物理和地球化学等网格数据进行二维矩阵的奇异值分解,之后用左特征向量矩阵与右特征向量矩阵的直积构造一个正交完备基。
The MSVD method constructs a self-contained orthogonal basis using the outer product of left and right eigenvector matrixes decomposed from 2D geochemical or geophysical maps.
讨论了矩阵乘积ab与BA的特征值、特征向量及秩等的关系,并得到了矩阵的奇异值分解。
The relationship between the eigenvalue, eigenvector and the rank of the product of matrices AB and BA is discussed, and the factorization of the singular values of matrix a is obtained.
在多维向量空间中可以对数据场量进行度量、分解和构造向量角度函数。
In multi_dimensional linear vector space, values of data field can be calculated, differentiated, analyzed and the Angle function also can be formulated in the space.
本文采用协整、向量误差模型以及脉冲响应和方差分解的方法对中国货币供应、物价水平与经济增长的关系进行实证研究。
This paper uses cointegation, VEC model and impulse response methods to research the relationship among money supply, price and economic growth.
本文采用协整、向量误差模型以及脉冲响应和方差分解的方法对中国货币供应、物价水平与经济增长的关系进行实证研究。
This paper uses cointegation, VEC model and impulse response methods to research the relationship among money supply, price and economic growth.
应用推荐