基函数
- Base function;primary function
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在反演计算中,射线轨迹点处的慢度可用三次多项式基函数予以计算。
In inversion , the slowness at points on ray path can be calculated by using three order polynomial primary function .
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基函数在计算机辅助几何设计中起着基础和决定性的作用,本文探讨了有理B(?)
In the Computer Aided Geometric Design basic functions have a basic and determining action .
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基于径向基函数的3D散乱数据插值多尺度方法
A Multi-scale Approach to 3D Scattered Data Interpolation Based on Radial Basis Function
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在识别过程中,采用径基函数(Radialbasisfunction,简写为RBF)神经网络。
In the processing of recognition , respectively adopt Radial Basis Function ( RBF ) Neural Network .
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电力电子线路的故障诊断&利用CAI实现二级基函数字典法
Faults diagnosis of power electronic circuit ── realized tow-grade-basis-function dictionary method with CAI
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Gottlieb[18]提出的C1谱方法,需要重新构造基函数,推导过程相当复杂。
Gottlieb [ l8 ] . They reconstructed base function for the C_1 spectral element method , which results in a complex process .
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它们具有二次均匀B样条基函数的性质,且用它们生成的分段多项式曲线具有与分段二次均匀B样条曲线相同的结构和几何性质。
The piecewise polynomial curves generated by the above-mentioned functions possess the same structure and geometry properties as piecewise quadratic uniform B-spline curve .
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扬压力径向基函数神经网络模型的精度和运算速度都高于BP神经网络模型。
Both the precision and calculation speed of the Radial basis function model are better than those of BP model .
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基于白术FTIR的径向基函数神经网络鉴别研究
Identification of Rhizoma Atractylodes Based on FTIR Spectra and Radial Basis Function Network
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径向基函数(RBF)网络在入侵检测中的应用
Application of RBF Network in Intrusion Detection
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作者提出一种应用径向基函数网络(RBF)的云检测方法。
Application of radial basis function ( RBF ) networks to cloud detection is investigated .
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将经过筛选和处理过的特征作为输入向量,输入到径向基函数网络(RBF)。
Chosen and processed features input Radial Basis Function ( RBF ) nets as input vectors .
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基于Volterra基函数网络的自适应逆控制方法
Adaptive Inverse Control Based on Volterra Polynomial Basis Function Neural Networks
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基于视觉原理和Weber定律的径向基函数回归建模
RBF Regression Modeling Based on Visual System Theory and Weber Law
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对径向基函数(RBF)神经网络在数据分类中的应用进行了研究。
The application of radial basic function ( RBF ) neural network in the data classification is studied .
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基于Chebyshev基函数模糊神经网络的快速辨识方法
Fast Identification Method of Fuzzy Neural Networks Based on Chebyshev Basis Function
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一种权值直接确定及结构自适应的Chebyshev基函数神经网络
Weights-directly-determined and Structure-adaptively-tuned Neural Network Based on Chebyshev Basis Functions
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先将未知的电流密度分成有旋和无旋两部分,并分别采用Loop基函数和Tree基函数进行展开,展开后的未知数的个数与传统的矩量法相等。
We represent the unknown currents in terms of its solenoidal and irrotational components and use Loop / Tree basis function as the expansion function , respectively .
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采用B样条函数作为模糊隶属函数,利用神经网络实现模糊推理,提出一种模糊B样条基函数神经网络,并将其用于交流伺服系统的控制。
A fuzzy B-spline function neural network is proposed to control AC servo system by using B-spline function as fuzzy membership function and using neural network to realize fuzzy interfernce .
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对于传统BP算法存在的收敛速度慢和易陷入局部极小值问题,人们提出了径向基函数网络。
People put forward radial basis function networks considering the conventional BP algorithm problems of slow convergence speed and easily getting into local dinky value .
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研究了基于自适应径向基函数(RBF)网络的故障诊断方法。
A self-adapting fault diagnosis method based on radial basis function ( RBF ) networks is studied in the thesis .
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据此建立了基于径向基函数(RBF)预测模型,对实际网络数据流进行预测。
A radial basic function ( RBF ) neutral network model is constructed to forecast the Internet traffic data flows .
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对三次B-样条基函数进行分析,给出三次B-样条曲线非整体性的一些特点,以及在工程曲线设计中的具体应用。
Based on an analysis of the basic function of cubic B-spline , tbe author discusses the non-integral property of cubic B-spline ; and its application to the design of Curves in engineering .
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针对现有径向基函数(RBF)神经网络训练算法存在的问题,给出了RBF神经网络的一种在线训练算法,对这种在线训练算法所涉及到的各个方面进行了全面的分析。
A novel online training algorithm for RBF neural network is presented . Some problems related to the algorithm are discussed in detail .
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结果表明,点匹配法比galerkin法有较好的精确性,基函数取幂函数比取三角函数时效果更好。
For specific example , the numerical solution of point-matching method is more accurate the that of galerkin method .
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论文提出了一种基于径向基函数(Radialbasisfunction)神经网络在线辨识的开关磁阻电机(SRM)单神经元PID自适应控制新方法。
This paper presents an novel approach of single neuron adaptive control for switched reluctance motors ( SRM ) based on radial basis function ( RBF ) neural network on-line identification .
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径向基函数(RBF)神经网络因其结构简单而被广泛地用于非线性函数近似和数据分类。
Due to its structural simplicity , the radial basis function ( RBF ) neural network has been widely used for approximation and classification .
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相比之下,C0谱方法构造非常简单,直接使用传统的谱方法基函数,仍然能够达到超几何收敛。
In contrast , construction for our C_0 spectral element method is much simpler . As a matter of fact , conventional spectral basis functions can be used directly , and still maintaining geometric convergence rate .
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样条微分求积法是一种新型的数值计算方法,其与传统微分求法的主要区别在于:它是基于B样条函数来构造基函数,进而获得权系数。
The Spline-based Differential Quadrature ( SDQ ) is a newly developed numerical method . The main distinction of the SDQ lies in the determination of weighting coefficients on the basis of cardinal B-spline interpolation functions .
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结合改进的免疫算法和最小二乘法,提出了一种设计径向基函数(RBF)网络的两级学习方法。
A two-level learning method combining improved immune algorithm and least square method was proposed to design a radial basis function ( RBF ) network .