查询词典 arithmetic geometric mean

Inthe paper, the blind inspection is executed by using modular arithmetic, namely, modulus 2arithmetic.(The result is 0 or 1). A algorithm with high transparency and robustness is realizedby smartly combining this arithmetic with binary chaotic sequence.

文中利用模数运算实现了音频水印的盲检测，即利用模2 运算，模2 取余(所得结果为0 或1)，很巧妙地将这种运算与二值化的混沌水印序列相结合，实现了一种不可感知度高，嵌入量大的高鲁棒性水印算法。

This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.

本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统，在线解析系统包括：现场数据采集单元，用于测量电站各分设备的状态参数；与现场数据采集单元相连的数据库服务器，用于存储现场数据采集单元测量得到的状态参数；模型运算服务器，其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度；客户机，其接收用户输入的命令并输出模型运算服务器的计算结果；网络，其将数据库、模型运算服务器和客户机连接在一起。

To the moduli with special forms (such as Mersenne numbers, pseudo-Mersenne numbers, generalized Mersenne numbers), we analysis and study modular arithmetic laws, and obtain the conclusions as follows: for Mersenne numbers and pseudo-Mersenne numbers, we get modular arithmetic formulas, and determine exact expressions of the number of modular addition to generalized Mersenne numbers generated by irreducible monic trinomials and pentanomials.

针对具有特殊形式的模数(如Mersenne数，伪Mersenne数，广义Mersenne数等)，深入分析了其取模运算规律，得到如下结果：对Mersenne数和伪Mersenne数，给出了取模运算转换为模加或模减运算的公式；对模数为任意首一三项式和五项式产生的广义Mersenne数，推导了相应取模运算的复杂度计算解析表达式。

For this model, monomial Genetic Arithmetic is designed. The arithmetic, when ensuring the condition of time and resource restriction,_could rationally do resource allocation of projects, and then effectively shortens the whole time limit.

针对该模型设计了单项目的遗传算法，该算法在保证项目任务紧前关系与资源约束的条件下，能够合理进行项目的资源分配，从而有效地缩短项目的总工期。

So, rubber's viscoelastic characters are researched by the characteristic nomography method in this article, when the stress wave transmits in rubber. And we get the stress'arithmetic solution and strain's arithmetic solution of any place of rubber parts at any time under the action of impact load.

本文又通过特征线解法，分析了橡胶在应力波传播过程中的粘弹性特性，得出了在冲击载荷作用下，橡胶部件的任意部位在任意时刻下的应力、应变数值解法。

This paper puts forward a numerical model, a parallel operator splitting-up implicit iterative scheme, parallel arithmetic program, parallel arithmetic information and alternating-direction mesh subdivision.

从生产实际出发，提出数学模型，构造大规模精细并行计算的耦合算子分裂隐式迭代格式，设计了并行计算程序和并行计算的信息传递和交替方向网格剖分方法。

Note that both arithmetic and non-arithmetic operations might also produce others "non-rounding" errors, such as underflow/overflow, division-by-zero or 'operation errors'.

注意，算术操作和非算术操作都可能产生其它"非舍入"误差，例如下溢/上溢，除 0，或'操作误差'。

In order to improve the BP Arithmetic's study rate, we do some improvement, and get more accurate results. Then we introduce the improved GA which used to improve the BP Arithmetic. Another DM technology--Fuzzy theory which will be used in the Pre-prepare of the load and relative data.

接着用改进后的遗传算法结合改进后的BP算法来改善神经网络的局部收敛性，同时采用了模糊理论的知识，对各种数据进行归一化和修正处理，提高了网络的预测精度和学习效率。

Based on the study of triangle mesh of creation algorithm, include the arithmetic of regular data make triangle mesh and irregular data make triangle mash. The paper put forward a optimized triangle mesh algorithm. Its key point is divide data into pieces in advance, then set up the net. The experiment result shows that this algorithm improves not only the efficiency of terrain molding, but also the precision compared with the old algorithms The main purposes of this paper are research visualization algorithm of three dimensions and the arithmetic of terrain visualization.

本文研究了基于三角形网格的地形建模的基本理论和方法，包括规则数据的三角网生成以及不规则三角网 TIN 的生成算法，总结了前人在这些方面所做的工作，本文提出了一种优化的三角网格生成算法，实验结果表明，该算法不仅提高了地形建模的效率，而且所生成的三角网格模型与以往算法相比精确性也有很大的提高。

After analyzing the great amount data, this paper concludes new arithmetic of better repletion and exactness for the several parameters based on the home and aboard arithmetic study.

论文的主要贡献在于：扩展了示波法的运用范围，与弹性腔模型和心血管流体力学相结合，分析出计算心血管动脉硬化各参数的算法，如脉压、臂动脉顺应性(C2 )、动脉硬化指数、脉搏波传播速度。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。