查询词典 trigonometric relation

This general solution composed of the composite solutions made by trigonometric function and hyperbolic function, can satisfy the problem of arbitrary boundary conditions along four edges.

该一般解包括三角函数和双曲线函数组成的解，它能满足4个边为任意边界条件的问题。

All 24 trigonometric and hyperbolic functions and their inverses are included in the source code.

所有24个三角函数和双曲函数及其逆包括在源代码。"/页"

It has been found that more complex part geometries having inclined lines, lines tangent to arces, and lines intersecting arces involve substantial trigonometric computations to determine the center of the tool center.

人们发现，更复杂的几何形状有一部分倾向于线，线相切的arces ，并线相交的三角arces涉及大量的计算，以确定的中心工具中心。

The invention refers to a method to correct universal frequency of electric communication technique, its character: make signal index quantization on the complex number of cross product, to directly reflect the quantized numerical value of tangent value and the located quadrant of imaginary and real parts, use inverse tangent ROM table to discriminate the processed result, then make loop filter and phase accumulation on the discriminated result to obtain error-correcting angle, and use digital controlled oscillator to make table look-up and quadrant adjustment to obtain correcting factor; use the relationship of trigonometric function in each quadrant to compress inverse tangent look-up table ROM and digital controlled oscillator look-up table ROM.

一种涉及电通信技术的通用频率纠正的方法，其特征在于：它采用如下步骤：经过叉积的复数进行信号指数量化处理，通过该复数虚、实部信号的指数量化结果的差值及其极性直接反映虚、实部的正切值的量化数值以及所处象限，将处理后的结果通过反正切ROM表进行鉴频，鉴频后的结果经环路滤波和相位累加，得纠偏角度，通过数控振荡器针对纠偏角度进行查表和象限调整，得到纠正因子；通过个象限之间的三角函数关系来压缩反正切查表ROM和数控振荡器查表ROM的大小，本发明资源耗费小，效率高，可极大地节省内存资源。

To evaluate the effect of shear on deformation of beams, shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function.

为了估计剪力对梁变形的影响，在集中力作用下梁内剪力用一个单值连续的反三角函数表示。

By imposing continuity conditions at the soil-pile interfaces and taking account of the linear independence of trigonometric function, analytical solution of the problemns were obtained.

数值算例对排桩后面的饱和土体的竖向位移振幅衰减进行了分析，探讨了入射波频率和桩土弹性模量比等参数对饱和土中排桩隔离效果的影响。

Taking into account the orthogonality and linear independence of trigonometric functions, closed-form expressions for scattering coefficients are developed by imposing continuity conditions of pile-soil interfaces and equilibrium conditions of piles.

通过施加问题的连续条件和平衡条件，利用三角函数的正交性以及不同阶三角函数线性无关的性质，得到问题的解。

It will be assumed that the reader is familiar with logarithms and trigonometric functions.

我们还希望读者能熟悉对数和三角函数。

Support of decimal, binary and hexadecimal numberformat, logical and bit-wise operators, shift operators, trigonometric functions, string and list manipulating, syntax coloring, result history and complete online help.

支持十进制，二进制，十六进制数字格式，逻辑和位逻辑运算符，切换操作符，三角函数，字符串和列表操作，语法彩色显示，运算结果历史记录和完善的在线帮助。

In order to solve the problem of chart projection transformation among all projections in shiphandling simulator,using the theory of power series spreading out and the method of trigonometric power series calculating back, a direct and reverse solving algorithm models of meridian arc length , and Gauss projection and Mercator projection transforming algorithm are introduced in this paper.

为了解决船舶操纵模拟器中不同投影方式海图的投影变换问题，应用幂级数展开理论和三角级数回求方法，给出了子午线弧长、等量纬度的直接正反解算法模型及高斯投影与墨卡托投影的相互转化算法。这些算法具有非常高的计算精度，避免了迭代运算，在船舶操纵模拟器中得到广泛应

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。