查询词典 arithmetic

Compared with arithmetic means, it can obtain more exacter measuring result.

软件简介：文中给出了数据融合算法，并提出把数据融合方法应用于电器试验数据采集电压计算中，使计算结果能更完善、准确地反映电压的数值。

Based on expansion of ODF in series of Generalized Spherical Harmonics by Bunge, we design programming in Orientation Distribution Function for polycrystal which contained five thousands crystals based on increment arithmetic of Voronoi. Geometrical data information, ODF of every crystal in polycrysal are imported to Open Graphics Library to draw, that means we implement visualization of ODF for every crystal in polycrystal.

主要针对具有立方结构的多晶体材料，采用Bunge级数展开法模型计算取向分布函数的理论模型，利用C语言在VC++环境下对ODF值进行了计算，并以Voronoi增量算法为基础生成包含有5000个晶粒的多晶体材料各晶粒的几何数据信息，与计算得到的ODF值一起导入OpenGL进行可视化处理，直观显示了多晶体材料中ODF值在各晶粒内的分布。

The arithmetic of the projection filter can be predigested in the case of exponential family.

通过引入指数型概率密度模型，简化投影滤波算法的计算。

First ,computers have circuits for performing arithmetic operations, such as:addition, subtraction,division,multiplication and exponentiation.

第一，计算机具有进行加、减、乘、除及取幂等各种算术运算的电路。

However, most computers have circuits for performing arithmetic operations, such as: addition, subtraction, division, multiplication and exponentiation.

电脑有许多显著的功能，然而，许多电脑都有用来进行算术运算的电路，如加、减、乘、除、求幂。

In the process of arithmetic design, Newton method is used to compute power flow of network. Graph theory knowledge is used to determine all paths from generator to load. To improve efficiency, thesis use branch expunction method to optimize the node order.

在算法设计过程中，采用牛顿－拉夫逊法进行潮流计算得到系统潮流分布，利用图论原理中的路径搜索算法确定了发电机对负荷的供电路径，此外为了提高潮流跟踪的计算效率，利用了支路消去法进行节点顺序的优化。

To the disadvantage exposed to us in national and foreign VTS system, and those putted up in application projects, the thesis did a farther study and consummation, and acquired some research fruits, as follows:1. Fulfilled the Eagle Eye function in Electronic Chart Display System.2. Designed a kind of simple algorithm for select chart. By this arithmetic it become true to auto select electronic chart when chart is zoomed.3. The realization of auto acquired field on electronic chart.4. The simulation of target data and error of radar and AIS by software.5. The fusion processing of the dynamic data those are collected from AIS and Radar.6. Resolve the target track problem of radar by the data fusion technology.7. The algorithm design of display field reduce, this function can improve the speed of display.

针对目前国内外VTS系统中暴露出的薄弱点，以及应用实践中表现出的不足本文对综合信息处理与显示系统做了进一步的研究和完善，取得了以下的研究成果： 1、电子海图显示系统中鹰眼图的功能设置与实现； 2、设计一种简易的选图算法，通过该算法实现可在海图放大、缩小时的自动选图； 3、电子海图上自动录取区的实现； 4、实现对雷达和AIS目标数据及其误差的软件仿真； 5、船舶自动识别系统中动态信息与雷达动态信息的数据融合处理； 6、利用数据融合技术解决雷达目标跟踪方面的问题； 7、海图空间信息中显示区域裁减算法的设计，该模块的实现大幅度提高了海图的显示速度。

In this paper, waveform-computing arithmetic is used to measure power factor, and a module to measure power factor is designed according to the definition of apparent power of IEEE standard 1459-2000, and the module is used successfully to measure power factor of three-phase power supply.

文中利用波形计算法，根据IEEE 1459-2000视在功率定义设计了功率因数测量模块，并成功的应用于三相电源的功率因数测量。

To factor a polynomial of degree n over Fq, the number of arithmetic operations in Fg isO(n1.8010111405662083logq) or On2+o(1 +n1+o(1) log q or On (1,3/4,3/4+ n1+o(1) logq, of which the first one is less by 0. 00433886 than the previous record.

具体地说，为了分解有限域F~q上一个次数为n的多项式，该算法的时间开销为 On~(1.8010111405662083logq或On~(2+o(1)+n~1+o(1logq或On~(ω(1，3/4，3/4)+n~I+o(1logq个F_q中算术运算，其中第一个开销的指数比已知的最好结果降低了

Because of shortcomings of fuzzy controller,a fuzzy controller of self-tuning proportionality factor based on PI arithmetic is presented.

0引言模糊控制是以模糊集合论、模糊语言变量及模糊逻辑推理为基础的计算机智能控制。它不要求知道被控对象的精确数学模型，只需要提供现场操作人员的经验知识及操作数据。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐