查询词典 trigonometric function

This example involves the coefficient of trigonometric function transform and its polar coordinates drawings, as well as the interface and control color modify.

这个例子涉及三角函数的系数变换及其极坐标系绘图，以及界面和控件的颜色修改。

Discrete trigonometric function generator has great applications in DSP.

离散三角函数发生器在数字信号处理中有着广泛的应用。

Based on the conversion of trigonometric function ,a novel real-time algorithm of reactive power similar to that of active power is presented,which reactive power is speed-ily and accurately measured by the voltage,current and frequency.

运用三角函数变换的方法，提出了一种新颖的与计算有功功率相似的电网无功功率的离散化实时算法。

So it is available to avoid the calculation of trigonometric function during solving equations, therefore, reduce the time ofsolving and improve precision.

为此，本文提出三角函数数值等效转化的方法，使非线性方程中不含三角函数，在方程求解时，避免了三角函数的计算，因此，加快了方程的求解速度并提高了计算精度。

Based on the approximation of numbers in Q format, fixed point is used to approximate the value of trigonometric function of the rotation matrix in the algorithm.

该算法根据Q格式数对浮点数的近似，采用定点逼近旋转矩阵中的三角函数值。

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。

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。

Give out the trigonometric function solutions of fourth order equations, as a example with rectilinearly accelerating the Kerr black hole, the event horizon of non sphere symmetric and non stationary black hole are studied.

给出了具有实用价值的四次方程的三角解正根公式，并以匀加速直线运动的Kerr黑洞为例，成功的研究了非球对称动态黑洞的&类视界面&。

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