余弦函数 meaning in English
cosine function
trigonometric function
Examples
- This paper develops iterative formula of sine and cosine function in document [ 40 ] , and presents new pixel - level algorithms for generating archimedes and involute curves which are widely used in engineering
本文推广了文献[ 40 ]中正弦、余弦函数的递推公式，对工程绘图中常用的阿基米德曲线和渐开线设计了新的逐点生成算法。 - In the second part of this work , according to cosine function ' s cycle property and using the quantization square choosed by international standards such as jpeg , h261 / h263 , mpeg1 / 2 , a kind of dct coding algorithm that based on tabling is put forward
第二部分采用jpeg 、 h261 h263 、 mpeg1 2等国际标准中所选择的量化矩阵，根据余弦函数的周期性提出一种基于查表的dct编码算法。 - The principle of the interleaver with output spectra similar to cosine function , based on mzi , is analyzed theoretically . by using the tandem of two mzis , we get the flattop spectrum ; last , grounding on the polarized light interference and multi - beam interference , we analysis the principle of bgti interleaver , and simulate the relations between output spectra and reflectance of g - t resonator . furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver滤波器的工作原理，其输出光谱曲线为类余弦函数；采用级联fmzi方案，实现了interleaver滤波器的光谱平顶光谱输出；最后，基于偏振光干涉和多光束干涉原理，分析了bgti型interleaver滤波器工作原理，模拟了g - t腔部分反射系数r与输出光谱的关系，获得了50ghzbgti型interleaver滤波器平顶化输出光谱。 - Resolving - transformers is a kind of component that converts the rotor corners to electrical signals , one has sine functional relationship with the rotor - comers , while the other has cosine ones , and this component has been widely used in many fields such as automatic controls , aviation and firepower fields to implement the information transmission of shaft - angle between systems
正余弦旋转变压器是一种将转子转角变换成与之成正余弦函数关系的电信号的元件，被广泛应用于自动控制、航空、火力控制等领域，以实现系统之间轴角信息的传输功能。 - Their learning and training rules have been analyzed profoundly and their abilities to approximate arbitrary nonlinear function have been testified and compared by the simulation . a new rbf neural network has been presented which uses a raised - cosine function as activation transfer function . it provides a wider generalization in comparison with gaussian rbf neural networks by simulation as well as strong approximation ability , fast convergence , a rule to select the parameters of the networks
本文详细研究了两种典型的前向神经网络( bp网络和rbf网络)的学习和训练算法，提出了一种新颖的基于紧支集余弦函数的径向基神经网络，其克服了常用的高斯型rbf神经网络虽具有紧支集但各基函数非正交的不足，其收敛速度快、网络参数选取有理论依据且相比于高斯型rbf神经网络具有更强的泛化能力，仿真验证了其有效性。