查询词典 network function

In feedforward control, the hysteresis nonlinearity of the piezoceramic actuator is modeled using the Preisach model and a neural network architecture using input-output data mapping as the inverse function of Preisach model is utilized.

前向补偿控制器设计方面，先以布列谢希之数学模式来模式化压电陶瓷的磁滞特性，再由实测值求得模式内之参数值，并应用类神经网路结构取代Preisach数学模式的反涵数以作为前向控制器之用。

This paper describes a systematic theoretical analysis and derivation of the synthesis of impedance of irrational function into a passive network.

本文主要对无理函数的阻抗函数综合为无源网络的问题进行了系统的理论分析和推导，并从以下三个方面进行论述：综合方法、正确性以及在载波通信中的具体应用。

The complex function between isochromatic fringe orders and RGB gray values of the image pixels is described by BP artificial neural network.

其特点是通过BP神经网络建立图像中像素点的R、G、B颜色值与条纹级数N之间的非线性关系；可以准确地得到3级以内等色线条纹级数。

Based on polynomial-interpolation and curve-fitting theory, this paper presents a special feed-forward neural network using Jacobi orthogonal polynomial activation-functions, which exploits a group of order-increased Jacobi orthogonal polynomial functions as the activation-function of hidden-layer neurons.

根据多项式插值与逼近理论，以一组零阀值特例 Jacobi 正交多项式（第二类 Chebyshev 正交多项式）作为隐层神经元的激励函数，构造一种基于 Jacobi 正交基的前向神经网络模型。

Performance management is kernel function of network management system.

为了提高校园网络管理的水平，本文深入分析了该校园网管理平台在性能管理方面的存在的问题。

Performance management is kernel function of the IP network management system.

在IP网络管理系统中，性能管理是核心功能之一。

Knap problem ; artificial neural network ; energy function ; combinatorial optimization

背包问题；神经网络；能量函数；组合优化

It is known that three-layer BP network can approximate any nonlinear function defined in L〓.

但神经网络的学习算法存在着局部极小点和收敛速度慢等缺点。

Characteristic data have been worked out, including the maximum Lyapunov index λ, fractional dimension D, lacunarity Λ and eight energies of various frequency bands. After being normalized, they can function as the characteristic vectors. Then, they are transmitted into an artificial neural network to perform pattern recognition.Starting from the mechanism of ultrasonic generating, initial ultrasonic pulses are calibrated. A stylish discharge source is directly coupled with the ultrasonic sensors, and work out actual discharge magnitude.

利用非线性和非平稳的方法对超声波信号进行了分析处理，对于局部放电模型得到的信号，计算了超声波信号的Lyapunov指数、分维数D、空缺率、小波包分解的8个频带能量，得到了11个特征数据，归一化处理后形成特征向量，由人工神经网络进行识别，实现了对局部放电典型模型的模式识别，显著提高了模式识别的正确率，并分析了传播途径对识别的影响。

For improving convergence, this paper firstly introduces Lagrange function to solve constraint problem in large-scale system optimization, secondly constructs the hierarchical optimization networks for large-scale industrial systems with Hopfield network.

为了 提高算法的收敛速度，引入Lagrange函数解决大系统优化问题中的各种约束，并用Hopfield 网络实现了大系统稳态递阶优化的网络算法，最后给出了某一大系统辨识及优化的仿真结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。