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Simulation results show the dissymmetry is more serious when the speed of moving targets is larger under the same initial conditions.

研究结果对图像制导导弹的中制导律和搜索规律设计提供了一些设计依据。

A new signed distance function initial method for image segmentation model based on level set approach is proposed.

对基于水平集的图像分割模型提出了一种新的初始化符号距离函数的方法。

Basic genetic algorithm for TSP, is only inter-city distance matrix and the initial parameters can be calculated.

基本遗传算法求解TSP问题，只需给出城市间距离矩阵和初始参数即可进行计算。

Using the principle and method of matrix transformation, the matrix model of VRPTW is developed.(3) Through analyzing the time windows and distance matrix of the nodes, we construct a probability transferring matrix, which is used to produce the initial scheme of VRPTW.

以有时间窗的车辆路径问题的矩阵模型为基础，对客户点的时间窗和距离矩阵进行分析，构造了有时间窗的车辆路径问题的概率转移矩阵，并利用基于概率转移矩阵的初始化方案生成方法，产生有时间窗的车辆路径问题的初始化方案。

Proceed from the principle of neural networks, the mechanism of mapping between input and output of neural networks was analyzed, and the BP algorithm for training the thresholds of neurons was derived. Based on the study to the distinguishability of input of networks, the effect of neural networks to distinguish-ability of characteristics was studied, and the optimizations of the structure of networks, learning rate, impulse factor, thresholds of neurons and initial weight of networks were completed. Through the experiments under fixed cutting regime and alternative cutting regime, the methods based on neural networks for tool wear monitoring were studied.

本文从神经网络的基本原理出发，研究了神经网络输入输出的映射机理，探讨了神经网络处理方法具有自适应性的原因；推导了神经元阈值学习BP算法；在研究网络输入特征可分性准则和特征敏感性准则的基础上，探讨了神经网络对特征可分性的作用；完成对网络结构参数、网络学习率和冲量因子、神经元阈值以及网络初始权值等参数的优化；并在固定切削用量和变切削用量条件下，对基于神经网络的刀具磨损检测方法进行了实验研究。

By taking the advantages of SPH and standard finite element methods,a coupled method is proposed,in which the computational model is made up of finite elements in initial time and the large distortional elements are converted automatically into smoothed particles.

扼要讨论了光滑粒子法的离散思想，充分利用光滑粒子法和有限元方法各自的优点，提出了一种初始时刻用有限元建模，计算过程中大变形单元自动转换为光滑粒子的耦合算法。

In this report, we studied the island distribution function during the initial stage of growth.

我们研究在初其成长时表原子群的分布。

The first and second syllables constitute a disyllable group, and the first syllable changes according to the initial syllable of the disyllable group.

即第一、二两个音节构成一个两字组，第一个音节按两字组的前字变；第二、三两个音节构成一个两字组，第二个音节按两字组的前字变，第三个音节按两字组的后字变。

The reason to do so is that the hyperbola intersection model is not a global convergence model, and bad initial coordinate can lead to divergency for the Least Square solutions.

由于双曲线定位算法是非全局收敛的算法，本文提出的基于解析算法用于求解初值可以大大避免系统的发散。

Documentation of the program;(2) validation that no step can be missed or poorly executed; and (3) documentation of the initial and final steps.

程序文件；（2）确认没有步骤被丢失或没有充分地执行；（3）原始的和最终的文件。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。