域

In recent years, the trace function, as a linear transform from an extension victor space to its basic victor space, has been comprehensively employed to do researches concerning the algebra construct

近年来，迹函数作为一种从扩域向量空间到其基础域向量空间的线性变换，被广泛用于研究有限域的代数结构及序列密码的性质。

Using triple integral equation based on scalar Green function for forward modeling transient electromagnetic response to a 3 D anomalous body, a frequency response of electromagnetic field component has been evaluated first on frequency domain, then the evaluated results has been transformed into time domain by using fast numeric filtering algorithm.

用基于张量格林函数的体积分方程对三维异常体进行瞬变电磁响应的正演模拟，首先在频率域内计算电磁场分量的频率域响应；然后利用快速数字滤波技术将计算结果转换到时间域。

The nature of the acceleration unit-impulse response function of unbounded medium tending to vary linearly is proved by means of asymptotic analysis. Thus, the acceleration unit-impulse response function can be regarded as the summation of a linear function and a residual part which converges to zero. Based on this decomposition, two FE-SBFE coupling procedures are presented based on system realization and truncation integral technique respectively.

本文系统研究了相互作用力-运动关系的位移表达、速度表达和加速度表达，通过比较位移、速度和加速度单位脉冲响应函数的SBFE求解过程，确定采用相互作用力的加速度表达；通过渐近分析证明了无限地基加速度单位脉冲响应函数具有随时间延长而趋于线性变化的性质；利用这一性质将加速度单位脉冲响应函数分解为一个线性函数和一个衰减到零的残余函数的和，以此为起点发展出两种FE-SBFE时域耦合方法：基于系统实现的FE-SBFE时域耦合方法和基于截断卷积的FE-SBFE时域耦合方法。

It is time-consuming. The dissertation basis the laser scan data organization form of two dimension grids, the three-dimensional point directly relation to vicinage region point, the new corresponding point will produce from the neighbor region.

本文根据激光扫描数据二维网格的组织形式，三维点的邻域关系直接体现在距离图像象素点的邻域关系上，因此对应点周围的点也有可能产生新的对应点，所以采用在已知对应点的邻域内局部搜索新的最近的点对，提高搜索的效率。

Time domain algorithm,range-doppler algorithm and wave number domain algorithm are being discussed and compared on this foundation.

在此基础上，分别讨论时域算法、距离——多普勒算法、波数域算法并对其进行了比较，并对波数域算法的并行性做了初步研究。

This position put him in command not only of the most important sector but also of the fleets attached to that sector, including the main defensive fleet of Azure Hammer Command, which included the Super Star Destroyer Whelm and fifty-seven other capital ships, the planet Anaxes, the famous Anaxes Citadel, and, ultimately, all other Imperial forces located in Imperial Center Oversector.

这一职位不仅使得他得以管理这一星域，还使得他同时也可以指挥该星域从属的所有舰队，其中包括：拥有超级歼星舰"压倒"号以及另外57艘主力舰只的"蔚蓝之槌"指挥部主力防御舰队，阿纳克斯星，著名的阿纳克斯堡垒，最后以及其他的所有位于帝国中心特区星域的一切帝国部队。

The propagation of electromagnetic pulses in uniform magnetized plasma is studied using the finite-difference time-domain method by means of Z transforms. The Z transform formulation of FDTD method is derived.

通过Z变换的方法，将与频率有关的磁化等离子体的介电常数由频域变换到Z域，推导了Z变换形式的时域有限差分法计算式，模拟了电磁脉冲在磁化等离子体中的传播。

Based on the localization properties of wavefield decomposition and propagation in the beamlet domain, and according to relevant extrapolation formula, the beamlet domain is implemented, and finally imaging values are computed using image-forming condition.

利用小波束域波场分解和传播在空间和方向上的双重局域性，将小波束域波场依据相应的外推公式进行延拓，最终应用成像条件求取成像值。

We focus our research on adaptive BSS problem, searching for simple and effective adaptive BSS algorithms and applying them to different BSS problem. BSS research could be done in many way according to their different mixing mode (such as temporary mixing, convolutive mixing or nonlinear mixing), different signal character (such as stationary or non-stationary signals, narrow-band or broad-band signal), and different proceeding methods i.e.

根据信号间不同的混合方式（如瞬态线性混合、卷积混合或非线性混合等）、信号本身的不同属性（如平稳信号或非平稳信号、窄带信号或宽带信号等）、以及对信号不同的处理方式（如时域、频域或时频域处理）等，盲信号分离研究可以在多方面展开。

The contributions of this paper are followed:1 IntroductionIntroduce the concept "Blind" and present MEMO blind source separation model.2 Research on the instantaneous mixture systemReview the techniques developed for the demixing of the instantaneous mixture case.3 Research on the linear convolutive systemModel the linear convolutive system and review the deconvolution approaches in time domain.4 Introduce a new method to MIMO BSSA new approach to MIMO blind source separation in frequency domain is introduced, experimental tests are conducted,and results are satisfied.

论文包括了以下几个部分： 1。简介介绍&盲&的概念，并对瞬时混合盲源分离系统进行建模。 2。对瞬时混合多输入多输出系统的研究对瞬时混合系统的盲源分离原理和技术进行了简单的回顾。 3。对线性卷积混合系统时域算法的研究对线性卷积混合系统建模，并对时域的盲解卷方法进行研究和比较。 4。提出了一种对线性卷积混合系统进行分离的新方法提出一种多输入多输出线性混合系统的频域盲源分离方法，进行仿真实验，以验证该算法的效果，初步结果令人满意的

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。