1.A finite element method three dimension model of multilayer windshield of anti bird striking is established. Rate constitutive models with failure method are adopted in windshield material. The dynamic process of bird striking multilayer windshield is simulated by nonlinear contact impact FEM codes.
建立了鸟撞击层合风挡三维有限元分析模型，对层合材料采用具有失效模型的率型本构模型，用非线性接触—碰撞有限元程序模拟了飞机层合风挡的鸟撞击动响应过程，给出了层合风挡鸟撞的计算实例，讨论了层合风挡结构被鸟冲击变形破坏的机理，数值模拟结果为层合风挡抗鸟撞击叠层设计提供了理论依据。
2.The authors present a new fast training algorithm multilayer feedforward neural network based on error back propagation. The simulation study on the fault diagnosis of certain missile attitude control system prove that BP and FBP is effective algorithms to solve the problem of fault diagnosis of missile attitude control system, and FBP is much faster in training multilayer feedforward network than BP.
本文提出了一种多层前向神经网络快速误差后向传播学习算法FBP，通过某运载火箭姿态控制系统故障诊断的仿真研究，验证了BP（误差后向传播学习算法）和FBP用于导弹姿态控制系统故障诊断的有效性，FBP学习算法较之BP算法学习速度的快速性
3.Multilayer neural network model and BP algorithms are introduced firstly in this paper. By solving XOR problem, hardware and software design of a novel multilayer neural network model adopting MC68HC11A8 of MOTOROLA MCU are dissertated systematically. The influence of quantizing errors in hardware design and the nonlinear algorithms to the system function is further discussed and the correction are adopted.
介绍了多层神经网络模型及BP学习算法 ,并以解决XOR问题为例 ,系统讨论了采用MOTOROLA单片机MC6 8HC11A8的多层神经网络模型的硬件设计与程序流程 ,进一步讨论了硬件设计中量化误差、算法的非线性等对系统性能的影响 ,以及应采取的措施
4.FTIR spectra of the PAA/P2VP films beforeand after the immersion into the basic solution show that the leaving of the soluble poly (acrylic acid) from the multilayer film into the solution is quiet rapid, as previously observed for the hydrogen-bonding directed multilayer films of PAA/P4VP.
在相同条件下，通过红外光谱的研究表明：PAA/LP2VP和PAA/HP2VP多层膜与PAA/P4VP多层膜一样，在碱溶液中处理后PAA的溶去是一个非常快的过程。
5.This paper discusses a new fast training algorithm for multilayer feedforward neural network based on error back propagation (i e FBP) The simulation study of the fault diagnosis of certain missile attitude control system proves that BP and FBP are effective algorithms to solve the problem of fault diagnosis of missile attitude control system,and FBP is much faster in training multilayer feedforward neural network than BP
本文提出了一种多层前向神经网络快速误差向后传播学习算法FBP（FasterrorBackPropagationLearningAlgorithm），通过某导弹姿态控制系统故障诊断的仿真研究，验证了BP（误差后向传播学习算法）和FBP用于导弹姿态控制系统故障诊断的有效性，FBP学习算法较之BP学习算法学习速度的快速性
6.The periodic thickness and structure of the multilayer are measured by X-ray diffractometer(XRD). The reflectivity of the multilayer is measured at Bessy Ⅱ synchrotron radiation(SR),and the peak reflectivity is measured to be 7.5%.
利用X射线衍射仪测量了多层膜结构,在德国BessyⅡ同步辐射上测量了在工作波长处多层膜反射率,测量的峰值反射率达7.5%。
7.A NEW TYPE OF MULTILAYER THERMAL INSULATION SYSTEM WITH HIGH EFFECTIVENESS (GS-80 MULTILAYER INSULATION SYSTEM)
一种新型高效多层绝热系统(GS—80多层绝热系统)的研制
8.Results show that the response current to glucose of biosensor is changed with different number of MWCNTs/GOx multilayer films,and it reaches the maximum value when the number of MWCNTs/GOx layers is 6.The response current of the(MWCNTs/GOx)_6 multilayer films-modified biosensor to 3×10~(-2) mol/L glucose is 1.63 μA while the response time is only 6.7 s.
结果表明:传感器对葡萄糖的响应电流值随着MWCNTs/GOx复合薄膜层数的不同而变化,当MWCNTs/GOx复合薄膜的层数为6时,响应电流值达到最大。 (MWCNTs/GOx)6复合薄膜修饰的葡萄糖生物传感器对3×10-2mol/L葡萄糖的响应电流为1.63μA,响应时间仅为6.7 s。
9.While the HTDIOO molecules aggra-gate and form domains in multilayer LB film, which could be associated with the stripe magneticsturcture formed in multilayer HTDIOO LB films observed with magnetic force microscopy(MFM).
而在多层LB膜中，HTDIOO分子则聚集在一起形成了一定的畴结构．
10.At a frequency of 10 kHz, a large dielectric constant of 506 was found in BTO/STO (n=6) multilayer films at room temperature, whose dielectric loss was only 0.033. From electrical measurement, BTO/STO multilayer films show a dielectric tunability of 28.8%.
室温下频率为10kHz时,BTO/STO(n=6)多层膜的相对介电常数为506,而介电损耗仅为0.033。 薄膜的C V特性研究表明:多层膜呈现出较好的电容调谐度。
