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The first half of the data is used for aerodynamic coefficients modeling, and the second half is used for verification of the resulting model based on pre-estimation of ballistic curve, the results indicate the wavelet network model of aerodynamic coefficients has generalization ability and applicability.

最后，通过建立某导弹飞行器六自由度动力学模型并进行仿真，得到样本数据，将其中一半数据用于小波网络气动力系数建模，模型参数辨识完成后，基于弹道重构原理将模型代入动力学系统进行弹道预测，将预测结果与另一部分样本数据进行比较以检验模型的推广能力，结果表明所建模型具有很好的推广能力和适用性。

Setting up a performance modeling of the devices on the base of interior ballistics.

2在经典内弹道理论基础上建立了火工分离装置的性能计算模型。

The reason of white band formation in the solidified shell in the mold has been studied by means of water modeling test and the analysis of the solidified microstructure of practical CC slab an.

为了定量把握结晶器中的钢水流动、钢水过热度及结晶器传热阻力对初期凝固坯壳的凝固不均一的影响，利用水冷铜板的浸渍实验，测定了各种铸造条件下的凝固坯壳厚度、凝固不均一度及树枝晶偏角；利用水力模型实验，并对实机铸坯的凝固组织分析，EPMA对负偏析带的线分析，得出了在结晶器中凝固坯壳上负偏析带的产生原因。

The paper is based on the practical application of certain armed helicopter's barbette tracking system, which has discussed the model of AC servo system, the testing and modeling of certain micro-machined velocity gyro. The article also studied the tracking quality in which the system has used the motor encoder and the velocity gyro as the velocity loop feedback respectively.

以某武装直升机炮塔随动系统实际应用为背景，讨论了交流伺服系统的数学模型、微机械速率陀螺的测试与建模；研究了分别以电机编码器和速率陀螺输出信号作为速度环反馈时，系统输出的跟踪特性。

ESyPred3D through homology modeling forecast sheep C3d three known structures C3d with the same people also formed by nuclear heart and the outer form of the performance of barrel-shaped molecular structure.

通过ESyPred3D同源建模预测可知绵羊C3d三级结构与人C3d一样也形成由核心和外层构成的桶状分子结构。

It is just based on the cognition to make a basal study of structural equation modeling in the paper.

本论文正是基于这么一种认识，去对结构方程模型的基础理论进行了初步研究。

It is proposed that load modeling should base on the analysis of whole the LDD.

针对当前负荷建模研究的问题，提出应当将负荷建模建立在对负荷扰动数据的整体分析上。

Taking the symbol as the product information carriers and basic elements, the symbol modeling realizes the information description with formalization, abstraction and integration, expresses the product design process with symbol model evolution, and offers the new theory and method for product development.

符号建模以设计对象符号作为产品信息的载体和建模基本元素，实现了信息的形式化、抽象化和集成化描述，通过符号模型的演变表达了产品的设计过程，为产品开发提供了一种新的理论和方法。

In this paper, basing on object-oriented technology, modeling and simulation of engine dynamic system has been studied.

本文进行了基于面向对象的发动机系统建模与动态仿真的研究。

Meanwhile, some problems needed to be paid attention to in the modeling process are provided.

同时，也提出了在建模过程中需要注意的一些问题。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。