二维结构

基于主动Lamb波和小波变换的二维结构损伤定位研究

Damage Location of Two-Dimensional Structure Based on Wavelet Transform and Active Monitoring Technology of Lamb Wave

基于这种利用HMM的二维结构特性的方法，实现了用一种由多个简单的MLP所组成的简化神经网络结构来估计状态观测概率。

Based on this approach , by using the property of the two-dimensional structure possessed by the HMM , a simplified neural network architecture consisting of multiple simple MLPs , employed to estimate observation probabilities is achieved .

二维结构损伤的主动Lamb波定位技术研究

Study on Two-dimensional Damage Location in Structure Based on Active Lamb Wave Detection Technique

二维结构采用直接的行列分离变换方式，通过增加一个较小的内部RAM单元有效减少系统的控制复杂度。

With an additional small RAM , the control complexity of 2-D architecture can be efficiently reduced .

本文的重点是二维结构元素的1-D分解和点对分解。

The emphases of this paper are1-D and point-pair decompositions .

SRAM及其二维结构的隐身特性计算分析

Analysis of Stealth Performance on SRAM and Its 2D Structures

微型发动机的发展也从平面的二维结构到复杂的三维自由曲面，从MEMS传统的硅基材料到具有更高性能的合金材料，这都迫切地需要更加多样化的微细加工方法。

The development of micro engine is from two-dimensional structure to complex three-dimensional free-form , from traditional silicon-based MEMS materials to a more high-performance alloy materials .

在Au（111）表面上，Sb的欠电位沉积伴随显著的合金化，且因表面有序结构的破坏而形成沟道状二维结构；

UPD of Sb on Au ( 111 ) is accompanied by significant surface alloying , which destroys the ordered structure of the Au ( 111 ) surface ;

将Lamb波主动监测技术应用于复合材料损伤检测中，对二维结构损伤进行定位研究。

This study adopts active Lamb Wave detection technique to damage detection in composite materials , using ellipse technique in order to localize the two-dimensional damage in structure .

由于KegginPOM呈椭球体状，表面富氧，易形成氢键，因而13中的二维结构还可通过多阴离子上的氧原子与连接体的氢键作用，从而进一步扩展成另一种新的三维网络结构。

Since Keggin anion looks like ellipsoid and has rich oxygen atoms , the 2D substructure of 13 can be extended into another new 3D structure through the hydrogen bonding interactions between the POM and the linker .

为补偿因空间角扩展和时延扩展同时存在而引起的多径干扰，将CM阵推广至二维结构，利用基于CMA恒模算法的空时联合信号处理技术对其进行均衡。

To equalize the signal distortion caused by multipath interference with the angle spread and the delay spread , it extend the CM array to spatial-temporal structure , using the spatial-temporal combined signal processing technology based on the constant modulus algorithm ( CMA ) to equalize signal .

文中采用等效折射率方法把三维结构简化为二维结构，然后分别基于高斯光束的传播和有限差分光束传播方法（FD-BPM），给出了两种对整个AWG进行全局模拟的具体方法。

The effective index method is applied to simplify an AWG structure from 3D to 2D . Two simulation methods are presented in detail based on the Gaussian beam propagation formula and the finite difference beam propagation method .

本文基于传递矩阵法（TMM）和虚拟边界元法（VBEM），提出了一种求解在谐激励作用下二维结构-声耦合问题的直接法。

Based on transfer matrix method ( TMM ) and virtual boundary element method ( VBEM ), proposed a direct solution to 2-D sound-structure interaction problem under harmonic excitation is proposed .

同时还给出了齿轮形状，各种复杂二维结构的加工实例。

Simultaneously , a gear shape and two-dimensional structures are machined .

青藏高原岩石层三维和二维结构与大陆动力学

The 2D and 3D lithosphere structure and continental dynamics of Qinghai-Xizang Plateau

太阳风速度的源表面二维结构

2-dimensional structure of solar wind speed on the source surface

分子二维结构信息数值化的结构框架模型法及其应用

Structural frame model with numerical representation of 2D molecular information and its application

通过静电相互作用在聚乙烯吡啶修饰的玻璃表面组装了银纳米粒子的二维结构。

Two-dimensional structures of silver nanoparticles were assembled on polyvinylpyridine modified glass surfaces .

二维结构的有限元网格自动生成算法的研究

Research on Generating Algorithm of the Finite Element Mesh of Two dimensional Structure

毫米波单脉冲雷达目标二维结构成像方法

A method of target two dimensional structure imaging for a millimeter wave monopulse radar

基于二维结构的企业研发项目后评价模型研究

The demonstration and valuation theory of enterprise R & D post-project on two-dimensional structure-based

乘同余伪随机数序列的二维结构分析

On the two-dimensional structure of the sequence of random numbers generated by multiplicative congruential generators

求解二维结构-声耦合问题的一种直接方法

Direct solution to 2-D sound-structure interaction problems

利用多元同余法随机数产生正态随机数从二维结构分析乘同余伪随机数序列

Random Number of Normal Distribution Generated from That of Uniform Distribution by Multidimensional Congruent Method

企业家才能的二维结构分析

Two-dimensional Structure Analysis of Entrepreneurial Ability

线性同余随机数列二维结构的快速算法

A Speedy Algorithm on the Two-dimensional Structure of the Sequence of Random Generated by Liner Congruential Generators

从考察证券新闻现象入手，根据证券新闻自身的二维结构，笔者认为，证券新闻最突出的两个基本特征是实用性和客观性。

In the author 's opinion , the two basic characters of the stock news are practicability and objectivity .

该体系具有二维结构，体现了跨层设计的思想，具有较强的适应能力。

The network architecture has a two dimentional structure . Through cross level design , it has the strong adaptability .

韶山森林冠层具有二维结构，上部乔木冠层的覆盖率约为82%；

The Shaoshan forest canopy is of two - layer structure , namely the top - canopy and the sub-canopy .

本文对于放置在弹性半空间上的二维结构-土-结构相互作用体系的动力响应问题进行了分析和研究。

In this paper , the dynamic response of a two-dimensional Structure-soil-struc-ture interaction system placed on an elastic half-space is studied .