查询词典 higher arithmetic

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。

PI arithmetic is utilized in fuzzy controller to adjust the proportionality factor of fuzzy controller automatically.

模糊控制器与工业过程控制中常用的PID控制器相比具有一定的优点，而它的一个最大缺点就是精度不太高。

The simulation on a system of boiler drum water level control indicates that the fuzzy controller of self-tuning proportionality factor based on PI arithmetic can improve the performance of fuzzy control system and can control the fallacious water level.

为减小模糊控制器的误差，最常用的就是将PID控制与模糊控制结合起来，从而构成模糊PID控制。然而由于引入了积分作用，使得控制过程的响应时间大大增长，失去了模糊控制响应快速的特点。

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。