查询词典 arithmetic

A new type VLSI transform microprocessor using the fast rotator as the arithmetic core is presented. It can very efficiently perform various orthogonal transforms by Givens rotation sequence with the best robustness.

该文提出了一类新型的以快速旋转器为运算核的VLSI变换微处理器，它能以最佳的数值稳定性高效地完成用Givens旋转序列实现的各种正交变换。

This paper systemically introduces the history and current status of the study on the problem of orthotropism and displacement back analysis, recounts and concludes the analysis theory about anisotropic rock mass, brings forward some models of displacement back analysis of the rock such as layered orthotropic model, proportional coefficient model, layered homogeneous model and equivalent simplificated model, and establishes target unknown, target functions and arithmetic for these models respectively, through analyzing the character of layered orthotropic rock mass.

本文系统介绍了正交各向异性问题和位移反分析方法研究的历史与现状，叙述与归纳了各向异性岩体的分析理论，通过分析成层正交各向异性岩体的特点，对该类岩体的反分析方法提出了分层正交各向异性模型、比例系数模型、分层均质模型和等效简化模型，并对各类模型分别确定了目标未知数、目标函数与算法。

Optimization arithmetic of low osmose oil field network problem is presented that oil-gas gathering system, sewage dispose system, injection system, electricity system are solved in succession, and the systems are connected with variable, layout and parameter optimization are included in every son system.

给出了低渗透油田地面工程网络拓扑优化的多级分解优化算法，即顺次进行油气集输系统、污水处理系统、注水系统和供配电系统的优化，各子系统间又通过变量互相联系，每一个子系统的网络优化又分解为布局优化和参数优化。

The multilevel optimization arithmetic of low osmose oil field network problem is presented that oil gas gathering system, sewage dispose system, injection...

给出了低渗透油田地面工程网络拓扑优化的多级分解优化算法，即顺次进行油气集输系统、污水处理系统、注水系统和供配电系统的优化，各子系统间又通过变量互相联系，每一个子系统的网络优化又分解为布局优化和参数优化。

Integrating Navier-Stokes equations with overfall model, this dissertation firstly applied CFX5. 5 solver and full coupling arithmetic to simulate air flow in flow field plates, and evaluated water management of six kinds of flow channels, the results of simulation and analysis were verified by experiments.

本文首次结合Navier-Stokes方程与湍流模型，采用CFX5.5求解器及全隐式耦合算法对对流场板内的空气流动进行了数值模拟，对不同流场板进行了水管理评价，并得到了实验的证实。

We develops the static model of overline passenger link problem at Dedicated passenger line hub which inherit 0-1 integer programming and also the arithmetic.

论文建立了基于0-1规划的客运专线枢纽旅客衔接方案静态优化模型，并分析了其求解算法。

In this way, the demodulation arithmetic and pulse compression of multi-channels can be packed into a single FPGA.To compensate the nonlinear effect of power amplifier, a successive overrelaxation iterative method of digital predistortion is applied here to ensure the low sidelobe performance, high output power and fast iterative speed.

分析了功放非线性对超低副瓣脉冲压缩信号的影响，基于射频功率放大器、矢量信号发生仪和矢量信号分析仪，采用松弛迭代法实现并优化了功放数字预失真算法，提高了迭代收敛速度与稳定度。

A sort of rather special dynamic programming method------arithmetic of transfer close package is adopted to optimize the problem which judge whether a path exist and seek least cost path between a couple of random nodes in intellectual integrating data warehouse information.

同时，公安数据仓库信息智能集成经常要涉及到某两个节点之间是否有路径存在，寻找任意两节点间最小代价的路径的问题，本文作者利用一种较为特殊的动态规划方法------传递闭包算法来优化，得到一种收敛较快、适应广泛而又简单易行的优化方法。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

This paper summarizes the development of parallel arithmetic, parallel simulation system and development of parallel computer.

文中综述了并行算法、并行仿真系统和并行计算机研究的国内外发展现状。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。