分块

And 8* 8 image block, a calculation of each mean square value as a threshold.

并用8*8对图像分块，对每一块计算均方值作为阈值。

One main problem of it is the all-to-all personalized exchange, that is all the processors in system will transfer different message which is equal in length to all other processors in the same system.

本文在分析了2D WT的数学模型之后，提出了它的基于网格多处理机的一种均匀分块并行算法，并通过滤波器平移有效地减少了算法中的通信量。

In this paper, for the data character of exploring and developing area in oil-area, I propose a sub-area, multi resolution and level model and create effective management mechanism on stratum grid data organization with index managing and organizing data linear octonary trees.

本文针对油气田的勘探、开发领域的数据特点，提出了分块的多分辨率层次模型，结合线性八叉树索引管理和组织数据，建立有效的地层网格数据组织管理机制。

Calculate way 1: Inside it the parameters number have already known, the unknown X of the square equations , can pass to push the estimate of with following calculate way: Among them α=0.95 ～ 0.99 for forgetting the factor, mean the oushifan number, block diag to mean to divide an opposite angles matrix .

算法1：当中参数已知时，方程的未知数X，可用如下算法递推估计：其中α=0.95～0.99为遗忘因子，表示欧氏范数，block diag 表示分块对角阵。

The valve tray, fragmented tray, signal overflow bow downcomer, and standard ellipsoidal head were selected in this design.

本次设计选用浮阀塔盘，分块式塔盘，单溢流弓形降液管，标准椭圆形封头，塔体材料选用16MnR，裙座材料为Q235-A。

On the basis of studing the optimizing process of passenger link plan and the character of overline passenger, it develops the dynamic Model inherit Bi-level Programming and also puts forward algorithm inherit sections code of GA.

在分析衔接方案优化过程和客流出行特征的基础上，通过整合客流分配模型和静态优化模型，建立了基于双层规划的动态优化模型，并根据模型特点，提出了基于分块编码的改进型遗传算法。

In Chapter 5, a parallelizable overlapped block Broyden method for solving large nonlinear systems is presented and analyzed. Here, the local convergence theorem for this algorithm is obtained.

为了能够更有效地利用重叠分块迭代方法，第六章给出了重叠划分算法中的雅可比矩阵的四种策略（包括线性策略、随机策略、边界策略、混合策略）。

In chapter 4, the case of risk asset allocation with allowed sell and restricted short sell is discussed, especially in case of restricted short sell, the efficient frontier piecewise partition is determined by using duality theory in parametric quadratic programming. And the concept of tripartition is introduced, economic meaning stated and algorithm to determine efficient frontier proposed.

特别对限制卖空的证券组合，应用参数二次规划对偶性理论解决了有效边缘曲线分片划分的问题，并引入了三元分割的概念，解释其经济意义，同时给出确定有效边缘的算法；对于协方差矩阵是奇异的情况，利用矩阵分块技术，得到不同情形下有效边缘的解析表达式，并用直观的几何图形描述，克服了M-V模型在实证分析中遇到的困难。

One of the questionsasked by Bhatia and Choi is: Given a partial matrix N =?

针对Bhatia与Choi提出的问题：给定2n阶分块部分矩阵N=？

For Pentium Pro processors, the code rescheduling scheme is used in this paper to optimize BLAS, which improves the matrix multiplication performance by 10Mflops.

这个技术与已有的分块技术、循环展开技术相结合，在200MHz单CPU的Pentium Pro上将矩阵乘的性能从21Mflops提高到112Mflops以上，从而提高了并行程序的性能。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。