查询词典 algorithms

Since electronic diesel system performs high accuracy as well as rapid respond and is suitable to various algorithms, and has obvious effect on improving of derivability and emissions for diesel engine, electronic control technique has been the main trendy in diesel engine field.

由于柴油机电控系统具有良好的控制精度、快速的响应和灵活的控制算法，在改善发动机动力性、经济性和排放性等方面能取得明显的效果，柴油机电控技术已经成为当今柴油机领域的发展热点。

Set cover greedy algorithm is one of the commonly used algorithms for the test set problem. It is an open problem if the approximation ratio 2ln n+1 directly derived from the set cover problem can be improved.

集合覆盖贪心算法是测试集问题的一个常用近似算法，其由集合覆盖问题得到的近似比21nn+1能否改进是一个公开的问题。

The property of the algorithms on linear problems is studied and the Broyden's methods have been proved that they are not descant. More precisely, the distances between the sequences obtained by solving the linear problems and the solutions of the linear problems do not decrease under any vector norm.

笔者研究了将该方法用于求解线性方程组时的内在性质，否定了一个自然的推测，指出它在解线性方程组时不是一个下降的算法，即所得到的点列与方程组的解之间的距离在任何向量范数意义下都不具有单调下降性。

In allusion to the defect of grads descension of traditional back propagation network algorithms, some improving measures such as adaptive learning and additive momentum has been taken, and better application result is acquired.

针对基于梯度下降法的BP网络存在的学习效率低、收敛速度慢、易陷于局部极小状态、网络的泛化及适应能力较差等缺陷，采用了附加动量法及自适应学习率、合理选择激励函数等策略对算法中的缺陷给出了改进措施，取得了较好的应用效果。

The normal hybrid genetic algorithms include genetic algorithm combined with steepest descent method and simulated annealing genetic algorithm.

常见的混合遗传算法有遗传算法与最速下降法相结合、遗传算法与模拟退火法相结合。

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。

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。

And in this paper, it introduces the algorithms used in the system and designing of system in detail.

文中对该识别系统中所用的算法以及系统本身进行了详细的介绍。

There is no effective way to change the behavior of Standard algorithms as desired.

没有有效的方法来改变标准的算法所需的行为。

Different watermarking algorithms are proposed to improve the detectability and the robustness. Experiments and analyses are performed for each algorithm in detail.

根据不同的方案模型，提出了具有较强检测能力和鲁棒性的新的水印算法，并对算法进行了大量的试验仿真和性能分析。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐