查询词典 potential gradient

Moreover, a new fast learning method of fuzzy systems both are based on genetic algorithms and gradient descent method is proposed.

引 言最近几年来，诸如模糊推理、模糊建模、模糊逻辑控制器等模糊系统得到了广泛的研究和应用。

A PID-like cost function is proposed, and it can be proved that the PID algorithm is the gradient descent method as long as the cost function is selected as ours.

这种新颖的控制器算法具有自适应功能，原因是控制律中引入了被控对象的灵敏度，从而提高整个控制系统在参数变化及受到负载扰动时的鲁棒性。

This paper analyzes effects of learning rate and hidden layers node number of the RBF multiuser detection technology trained by gradient descent method on arithmetic performance.

3分析了梯度下降法训练的RBF神经网络多用户检测中学习速率和隐含层节点数对算法性能的影响。

Currently, the learning algorithms for training Feedforward Multilayer Neural Network can be classified into two categories: gradient descent method and layer by layer optimization method.

目前前向神经网络的学习算法主要分为两类：梯度下降算法和逐层优化算法。

The results showed that neural network structure of tobacco aroma components was global optimized, and the neural network trained by genetic algorithm was more efficient and correct than by gradient descent method .

结果表明，使用该方法能全局优化基于烟草致香成分的神经网络结构，较之梯度下降法的神经网络的训练效率更高，得到的识别结果也更加准确。

A practical cooling regime was established then, and a network with better performances was obtained by combining simulated annealing algorithm with gradient descent method.

将模拟退火算法与传统的梯度下降法结合，用于人工神经网络的优化与预测，得到了预测效果等与迭代时间性能更好的神经网络。

First, a gradient detecter is used for detecting all localintensity discontinuous points as candidate edge points. Then,all thesecandidate edge points are classified into three kinds of point setsaccording to some classifying rules.

首先，利用梯度检测算子检测出灰度不连续象点作为候选边缘点，其次，按文中提出的若干分类规则，将这些候选点分为三类。

Medthod: Shim-packC18 column was used with a mobile phase of methanol-phosphate buffer 0~3.5min (10:90),3.51~10min (30:70)gradient elution,velocity of flow: 0.8mL·min-1 ;column temperature: 32℃;volume of injection: 20μL; the wavelength of detecter was set at 254nm.

用岛津Shim-packC18分析柱，甲醇：磷酸缓冲液梯度洗脱，0~3.5min(10：90)，3.5min后(30：70)，流速：0.8mL·min-1，检测波长：254nm，柱温：32℃，进样量：20μL。

In the paper we analyze and realize using MATLAB two inversion techniques (the gradient method and the DFP method), and check the two techniques , too.

本文分析并用MATLAB实现了两种反演算法，并对这两种算法进行了验模，以评定算法的准确性。

Based on DFP gradient method and the theory of elastic visco-plasticity and that of finite element method, the deficiency and objection existing in present stochastic back analysis methods have been deeply studied in this paper in order to provide much more reliable parameter for the mechanical analysis of geological engineering structures.

本文基于变尺度梯度优化方法和弹-粘塑性原理及其有限元基本理论，针对随机反分析方法存在的缺陷和不足进行研究，以期为实际岩土工程结构的力学分析提供更加可靠的材料参数。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。