查询词典 Broad Band

Its major feature is to reduce EMS memory allocation greatly by the help of two one dimensional arrays: one is used to deposite the elements within the band width of the matrix at input stage and latter store the elements within the band width of cholesky lower triangle matrix at output sta.

作者针对地球物理数值模拟中常碰到的大型稀疏变带宽方程组的求解问题，介绍了一种大型稀疏变带宽矩阵的存储方法及 Cholesky分解法。

The relationship of optical gain with well width, lnAs composition and the carrier concentration is obtained by considering the energy band of the strain material, transition matrix, band gap shrinkage due to carrier concentration, and carrier intraband relaxation.

考虑了应变体材料的能带结构、光跃迁矩阵元、载流子浓度引起的禁带变窄以及载流子带内驰豫效应后，模拟得到了GaAs／InGaAs／GaAs应变量子阱光增益与阱宽，InAs给份及注入载流子浓度的关系。

In this paper, an extended divide and conquer algorithm is intended proposed, which is for solving the real symmetric band generalized eigenvalue problem under distributing environment Eigenvalue partition theorem is presented and proved Based on divide and conquer by extension, this algorithm computes generalized eigenpaires of symmetric band matrix pencil by bisection and generalized Rayleigh quotient iteration Theoretic analysis and numerical results show that this algorithm is better than the classic software package LAPACK when bandwidth is small and the scale is large Combined with multisection, which has good parallelism, it got good effects under distributed environments

提出了分布式环境下计算对称带状广义特征值问题的一种扩展分治算法，给出了特征值分割定理及其证明算法在扩展分治的基础上，利用二分压缩结合广义Rayleigh商迭代计算广义特征对理论分析和数值实验表明，对于窄带宽大规模的广义特征值问题，该分治算法明显优于LAPACK软件包结合并行性好的多分法，在分布式环境下获得了很好的并行效果1 引言本文研究了对称带状广义特征值问题Ax =λBx ( 1)的并行计算，其中，A ，B均为半带宽为r的n阶实对称带状矩阵且其中之一是正定的本文总假设B是正定的求解此问题有两种传统方法，第1种方法是通过计算矩阵B的Cholesky分解，将问题( 1)转化为标准特征值问题[1～3] ，进一步

I used the band saw to cut them out, and a band sander to contour the edges.

我用带锯削减出来，并带砂光机，以轮廓边缘。

To improve productivity and cutting accuracy of wood and to modify characteristics of band saw, it is essential that we study vibration characteristics of band saw.

为了提高木材生产率和加工精度，改善带锯机的工作性能，降低生产成本，对带锯机的振动特性进行研究是十分必要的。

When i first saw the band live, i felt there was a lot of work to be done on bass lines, as well as an overall tightening-up of the band's execution and technique.

第一次看乐队的现场，我感到贝斯部分还有许多要补充的地方，并且整个乐队的演出和技术应该更加紧凑些。

The company built in 1990, is a professional sales and double-metal band Saw German double agent metal band Saw Blade sales of enterprises.

本公司建于1990年，是专业销售双金属带锯床并且代理德国双金属带锯条的销售企业。

Shell Desk Band and Internet Explorer Ba - The Internet Explorer Bars are child windows within the main Explorer window, and Desk Band is a dockable window on the desktop/taskbar.

Internet Explorer Bars 是浏览器主窗口的子窗口， Desk Band 是桌面/任务条的可停靠窗口。

M spectrum band can be main spectrum band for detection for plume of cruise missile.

本文的结果可为探测巡航导弹及空间相机的谱带选择提供依据。

A band spectrum consists of groups of wavelengths so close together that the lines appear to form a continuous band.

带状光谱由一组波长组成，它们密集在一起，许多线看起来就像是一条连续的带。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"