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The spherical heat transfer models of three primary explosive particles lead styphnate, nickel hydrazine azide NHA and nickel hydrazine nitrate (NHN were calculated by Fourier analysis and numerical simulation.

对斯蒂芬酸铅、叠氮肼镍和硝酸肼镍进行单颗粒球形传热模型的Fourier分析和数值模拟,并对三种药剂进行了SCB点火实验。

If we can develop more penetration tests, more exact physical and mechanical model will be established, and the theoretical analysis will be more applicable to practical application. Finally, based on the numerical simulation and the code P2G, the effect of stick length to overloading curve is analysed.

最后从实际需要出发,以数值模拟为主,结合程序P2G,简单分析了探头长度的变化对探头-尖拱弹丸侵彻水沙介质过载曲线的影响。

A numerical experiments to forecast a squall line storm system passing through the Oklahoma State is performed by using the Advanced Regional Prediction System developed by the Center for Analysis and Prediction of Storms at the University of Oklahoma in the United States.

运用美国风暴分析预报中心的改进的区域系统模式对移经美国俄克拉何马州的一个强雷暴系统进行了数值预报试验,结果表明,初始场中引入多普勒雷达观测资料后明显地改进了预报。

In the meantime, we got several achievements during the process:Firstly, a sequence encryption algorithm of real-time video in use of one dimension piece-wise linear chaotic map is carried out. This algorithm makes use of Inter' s SSE2 special dictates and makes nonlinear change of chaotic sequences.As a result, the algorithm not only encrypts faster, but also resists several cipher analysis methods. Secondly, this paper presents a block encryption algorithm of real-time video based on chaotic neural network which makes use of numerical transient chaotic neural network to produce chaotic sequences and uses these sequences to do encryption.

同时,在实现系统的过程中,取得了以下研究成果:(1)提出了一种利用一维的分段线性混沌映射来对实时视频进行序列加密的算法,该算法利用Inter的SSE2专用指令集来实现,并对产生的混沌序列进行了有效的非线性变换,从而使该算法不仅加密速度快,并且能有效的抗多种密码分析;(2)提出了一种利用混沌神经网络对实时视频进行分组加密的算法。

And the convergence, compatibility and stability of the LLA based on the LTP are discussed with some theoretical analysis and numerical experiments, and the stability condition of the LLA is given.

对基于LTP的LLA方法的收敛性、相容性和稳定性进行了理论分析和数值实验,给出LLA的稳定性条件。

The analysis of mechanical interacting between fiber and matrix was presented in this paper,the whole process of fiber pull-out load and pull-out displacement was carried out by using numerical method.

对纤维与基体的相互作用进行了力学分析,完成了纤维拉拔荷载与拉拔位移全过程的数值计算。

A numerical method is developed for lower bound limit analysis of 3D concrete high arch dams.

提出了适用于三维混凝土高拱坝结构极限下限分析的有限元数学规划算法。

A numerical method for the lower bound limit analysis of 3-D structures under multi-loading systems is presented.

本文提出了多组载荷作用下三维结构下限分析的数值方法。

Based on the analysis of some aspects, such as the approximative algorithm of FOC, the Tustin transform theory and its generating function formula's character, the convergence guarantee of binomial power function by Maclaurin expanding, and the consideration of the limitation of conventional methods, an improved method is proposed to compute the numerical evalution of FOC using PSE and Tustin transform and is further applied to solving the linear FOS.

以分数阶算子近似方法的分析研究为基础,基于Tustin变换理论及其用于分数阶算子的离散生成函数公式特点,利用二项式幂函数的Maclaurin展开能够保证收敛的特性,考虑常用算法的局限性,提出了一种改进的基于幂级数展开和Tustin变换的分数阶运算方法,并应用于线性分数阶系统的求解,给出了递推算法的详细推导。

Most involve mathematical analysis, but some describe numerical simulations and experimental results that focus on these questions.

多数涉及数学分析,但一些描述数值模拟和实验结果集中在这些问题。

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