注意这个余弦函数的。
被限定的余弦函数之反函数叫做反余弦函数。
The inverse function of that restricted cosine function is called the arccosine function.
目的研究正弦函数和余弦函数的一些计算公式。
Aim To study some calculation formula of sine function and cosine function.
目的研究正弦函数和余弦函数的一些计算公式。
在这种情况下，习惯上用余弦函数而不是正弦函数。
The cosine rather than the sine is customarily used in this case.
更好的模型可能是使用以1天和1年为周期的正弦和余弦函数。
A better model might be to use sine and cosine functions with a periods of 1 day and 1 year. This we can do by changing the formula to.
在这种情况下，习惯上用余弦函数而不是正弦函数。
The cosine rather than the sine is customarily used in this case .
最终以余弦函数对惯性空间的规划轨迹进行插值离散。
Eventually it adopts cosine function for discrete interpolation in the inertial space trajectory planning.
研究如何使用仙波函数和余弦函数改变一个系统的协调工作。
Investigate how to use sin wave functions and Cosine functions to change the way that a system of coordinates work.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
利用第二类契贝谢夫多项式的性质得到了关于正余弦函数的一组有趣的恒等式。
With the use of the properties of the second Chebyshev polynomial, a group of interesting identity of sine and cosine function is obtained.
本文分析了非仅用余弦函数表达活塞环径向压力分布的方式及有关这种表达式的特性。
The expressions of radial pressure distribution on the piston rings with non- cosine function and their characteristics are studied in detail in this paper.
首先采用双重余弦函数的组合确定了面内冲击矩形薄板的艾雷应力函数和中面力的分布；
Firstly, Airy stress function and the distributions of the membrane forces are determined by the combination of double cosine series.
一列连续与正弦、余弦函数相乘的无穷级数，若是趋向同一点时，可模拟一系列多种函数。
An infinite series whose terms are constants multiplied by sine and cosine functions and that can, if uniformly convergent, approximate a wide variety of functions.
摘要：CORDIC算法是实现快速精确的正、余弦函数计算的主要方法，在工程实际中有着广泛应用。
Absrtact: CORDIC (Coordinate Rotation Digital Computer) algorithm is the main method to realize the fast and accurate trigonometric function, and is widely used in modern engineering.
实验结果表明，对于大型复杂场景，该算法的检测效率优于其他基于余弦函数的视点与三角形碰撞检测算法。
Experimental results show that, the detection efficiency of the algorithm is superior to others, especially for large complex scenes.
在三角区域的广义正弦函数和广义余弦函数基础上，定义了三角区域的离散广义正弦变换和离散广义余弦变换。
Based on the generalized sine and cosine functions in the triangular domain, the discrete generalized sine and cosine transform are defined.
并对程序中数据的格式处理、PI控制的数字实现、速度计算方法和正余弦函数的计算做了详细的讲解和说明。
The format of data, PI regulation method, speed calculation and generation of sine and cosine are explained in details.
本文在研究DCT快速算法的基础上，比较了32点dct分解和利用余弦函数特性两种快速计算dct的方法。
This paper compares between the 32-point DCT decomposition method and the property of cosine function to find the latter more efficient for DCT fast algorithm.
在计算例题中，荷载采用多项式形式、余弦函数形式的分布荷载以及均布边弯矩荷载或者由它们组合而成的荷载。
In numerical examples, distributed load is regarded as polynomial function, cosine function or uniform moments along the edge and their combination.
双曲正弦、双曲余弦和双曲正切函数也会以常见或特殊形式出现在各种计算中。
The sinh, cosh, and tanh functions also all appear in various calculations in special and general relativity.
好的，让我们试着把等式，带入正弦函数，或者余弦数来做，你喜欢哪个都行。
All right. Let's try to substitute in that equation a sinusoid's or a cosine solution, whichever one you prefer.
一个数学函数，返回指定表达式中以弧度表示的指定角的三角余弦。
Is a mathematical function that returns the trigonometric cosine of the specified Angle, in radians, in the specified expression.
把一个时间或空间函数分解为具有一定振幅和相位的正弦函数(正弦和余弦)之和(或积分)的过程。
The process of decomposing a function of time or space into a sum (or integral) of sinusoidal functions (sines or cosines) with specific amplitudes and phases.
本文介绍了余弦窗函数，并将其应用到平面波综合技术中。
The cosine window function is introduced and applied in the plane wave synthesis technique.
与目前常用的几种窗函数的频率特性相比较，其性能优于改进的升余弦窗函数。
Compared with the amplitude-frequency characteristic of the window functions often used at present, its property has an advantage over the rising-cosine function improved.
这些函数从JPEG图像离散余弦变换(DCT)域及其解压图像所在空域中提取易变特征。
Variable characteristics were captured in discrete cosine transform (DCT) domain of JPEG images and from their decompressed versions with these functions.
本文引入了余弦算子函数滤子积的概念。
The concept of filter product of cosine operator functions is introduced in this paper.
利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。
The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function, and discussion on them is performed.
利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。
The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function, and discussion on them is performed.
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