三角函数

This paper establishes the standard fuzzy system with partition of normal trigonometric membership function. Based on above standard fuzzy system, approximation error bounds problems are discussed by interpolation theory.

在标准模糊系统的基础上提出了以正规三角函数为基函数的一类模糊系统。

Six growth curve s used for prediction of oilfield development indexes expressed with trigonometric function are proposed,thus perfecting and abounding in the existed growth curve methods further.

提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条，从而进一步完善和丰富了现有的增长曲线法。

Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed,thus perfecting and abounding in the existed growth curve methods further.

提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条，从而进一步完善和丰富了现有的增长曲线法。

Fundamental parameters are calculated by symmetrical and orthogonal characteristic of trigonometric function, and the iterative algorithm can calculate fundamental reactive power fast.

根据三角函数的正交性和对称性求解基波参数，采用递推算法快速计算基波无功功率。

The theoretical study shows that the continuous variability of non-operator, and operation, and or operation can be realized in mathematics, and can use a variety of forms such as mathematical index, polynomial and trigonometric. This paper introduces several and/or operations models, and the comparison by the simulation experiment shows that the model I is a more ideal model.

理论研究表明泛逻辑中泛非、泛与／或运算的连续可控性在数学上是完全可以实现的，并可以用多种数学形式如指数、多项式和三角函数等形式来实现，本文介绍的泛与／或运算的几个模型，通过仿真实验比较可以得出模型一就是一个比较理想的模型。

With the continuous method, the displacement shape functions are constructed with the self-contained trigonometric function series, and then the formulae of normal stress and shear stress in the shear walls of the core tube subjected to a torque are brought forward.

根据结构连续化分析方法，采用完备的三角函数系形式表示正六边形核筒悬挂建筑结构中筒体在扭矩作用下的位移函数，并推导出核筒中的剪力墙的正应力和剪应力公式。

Common mathematical functions such as trigonometric functions are standard, and you can add custom functions.

诸如三角函数这样的普通数学函数符合标准，并且你可以添加自定义的函数。

The algorithm is simple, do not need to carry out trigonometric calculation with high speed, real-time, and easy to achieve in engineering .

该算法简单，不需进行三角函数计算，计算速度较快，实时性好，易于在工程上的实现。

You can use all the C syntax of entering mathematical expressions including trigonometric functions and others.

你可以使用所有的进入，包括三角函数等数学表达式C语法。

For resolve this problem, more and more scholars try to find new modeling methods in the space of trigonometric functions.

为了解决NURBS模型中的局限性，近年来，人们试图在三角函数空间中寻求新的曲线曲面造型方法。

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