最简单的梯度下降算法通常在参数变化和有噪声时也很稳定,有效。
Even the simplest gradient algorithm is effective and stable when there are noises or algorithmic parameters...
梯度下降算法是训练多层前向神经网络的一种有效方法,该算法可以以增量或者批量两种学习方式实现。
Gradient descent algorithm is an efficient method to train FNN, and it can be realized in batch or incremental manner.
另外,针对进行相似性变换的目标也提出了一种新的候选目标模型,并用类似的梯度下降算法估计目标的平移向量和旋转角度。
Furthermore, a new candidate model is proposed that handles similarity transformation, and the corresponding MS algorithm can be obtained that estimates the translation vector and rotation Angle.
在分析影响河道水位因素的基础上,采用基于梯度下降算法的BP神经网络模型推算河道水位,同时采用传统的上下游水位线性相关方法进行水位推算。
On the basis of the analysis of factors affecting the river water level, the BP neural network model, based on the gradient descending algorithm, is used to calculate the river water level.
然后通过梯度下降法和最小二乘法相结合的混合学习算法,对控制器参数进行调整以提高其控制精度。
Then some parameters of the controller are modulated by hybrid learning algorithm of ladder descent (LD) and least square error (LSE) so as to attain better control precision.
然后利用梯度下降法推导了基于最优模式中心的NLDA算法。
The second algorithm calculates the optimum classes' centres of NLDA by method of grads descending.
基于梯度下降的神经网络训练算法易于陷入局部最小,从而使网络不能对输入模式进行准确分类。
Neural network BP training algorithm based on gradient descend technique may lead to entrapment in local optimum so that the network inaccurately classifies input patterns.
就随机并行梯度下降(SPGD)最优化算法在光束净化系统中的应用展开研究。
This paper researches the application of the stochastic parallel gradient descent (SPGD) optimization algorithm on the beam cleanup system.
传统的模糊c -均值(FCM)聚类是一种基于梯度下降的优化算法,该方法对初始化较敏感,且易陷入局部极小。
The traditional fuzzy C-means (FCM) algorithm is an optimization algorithm based on gradient descending. it is sensitive to the initial condition and liable to be trapped in a local minimum.
将最速下降法与共轭梯度法有机结合起来,构造出一种混合优化算法,并证明其全局收敛性。
Based on the steepest descent method and the conjugate gradient method, a hybrid algorithm is proposed in this paper, and its global convergence is proved.
实现了一种新的基于遗传算法和梯度下降方法的快速模糊系统学习算法。
Moreover, a new fast learning method of fuzzy systems both based on genetic algorithms and gradient method is proposed.
基于随机并行梯度下降(SPGD)算法,32单元变形镜,CCD成像器件等建立了无波前传感自适应光学系统实验平台。
Based on stochastic parallel gradient descent (SPGD) control algorithm, an adaptive optics test-bed without a wave-front sensor was built with a 32-element deformable mirror and a CCD.
该模型采用五层前向模糊神经网络,学习算法为梯度下降法。
The model was a Feedforward Fuzzy neural network possessing five layers, and Gradient Descent was adopted as learning algorithm.
基于梯度下降思想提出离散修复算子,提高算法对非线性约束的处理能力。
Discrete repair operator is presented on the basis of the theory of gradient to improve the performance of the algorithm in solving non-linear constraint.
当相位梯度算法挑选的散射点不是孤立散射点时,导致相位误差估计的准确性下降。
If the scatter selected in phase gradient algorithm(PGA) algorithm is not isolated, the accuracy of the phase error estimation will be degraded.
在遗传算法中嵌入一个梯度下降算子,使得混合算法既有较快的收敛性,又能以较大概率得到全局极值。
Through embedding a gradient descend operator into the generic algorithm, a hybrid algorithm is achieved with fast convergence and great probability for global optimization.
随机并行梯度下降(SPGD)算法可以对系统性能指标直接优化来校正畸变波前。
The stochastic parallel gradient descent (SPGD) algorithm can optimize the system performance indexes directly to correct wavefront aberration.
通过对泛函网络的分析,提出了一种序列泛函网络模型及学习算法,而网络的泛函参数利用梯度下降法来进行学习。
In this paper, by analyzing the functional network, a new model and learning algorithm of the serial functional networks is proposed.
为了轨道优化的实时计算,构造了一类梯度投影下降算法,并且给出实际应用的具体步骤。
The gradient projection algorithms are constructed for the real-time computation of trajectory optimization, and the concrete steps of the algorithms are also given.
目前BP网络采用误差逆传播算法学习训练神经网络,该算法是基于网络误差函数梯度下降的。
BP network adopt error against propagate algorithm to leam and train the neural network at present, this algorithm is on the basis of the error function gradient of the network.
利用梯度下降法对网络的权值进行训练,并且推导了BVS的增长算法,以及网络训练的限制记忆递推公式。
The weights are trained with Gradient Descent Method. The increase algorithm of BVS, and restricted algorithm, was induced.
首先改进传统的一维梯度下降搜索算法,并提出由梯度下降方向自适应选择不同的抽取模式去除计算运动估计准则时的冗余。
This method proposes five decimation patterns based on the gradient descent direction, and it can select the decimation pattern adaptively during the motion estimation.
研究了简化型内回归神经网络基于自适应梯度下降法的训练算法,并提出了一种基于简化型内回归神经网络的非线性动态数据校核新方法。
An adaptive gradient descent algorithm for training simplified internally recurrent networks (SIRN) is developed and a new method of reconciling nonlinear dynamic data based on SIRN is proposed.
运用最优梯度下降法使目标的计算值与期望值误差最小来迭代优选权重,建立迭代算法模型。
A few or all of the parameters of the controller are adjusted by using the gradient descent algorithm to minimize the output error.
目前使用的最多的学习算法仍然是基于梯度下降的BP算法和遗传算法。
The known study algorithms which are used to be Fuzzy Neural Network parameter study algorithms are BP algorithm with gradient descent and inheritance algorithm.
目前使用的最多的学习算法仍然是基于梯度下降的BP算法和遗传算法。
The known study algorithms which are used to be Fuzzy Neural Network parameter study algorithms are BP algorithm with gradient descent and inheritance algorithm.
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