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1)  biorthogonal cosine wavelets
余弦小波
1.
The Window functions of biorthogonal cosine wavelets are discussed.
余弦小波适合于拟合、模仿和合成,常应用于语音分解和合成,对象分类和识别等,本文讨论双正交余弦小波的窗口函数,建立具有重叠窗口的余弦小波的双正交性和Parseval等式。
2)  Frequency modulation cosine wavelet
余弦调频小波
1.
Based on the character study of the basic wavelet,a new sort of basic wavelet functions a named as frequency modulation cosine wavelet is constructed,which satisfies the necessary condition to be taken as basic wavelet.
通过对小波变换的基本小波的性质进行研究 ,构造出一类新的基本小波 (作者把它称为余弦调频小波 ) ,论证了其作为基本小波的必要条件并讨论了它的性质。
3)  Cosine wave
余弦波
4)  cosin wave
升余弦波
5)  cosine filter
余弦滤波器
1.
The method uses the cosine filter(CF)and amplitude-frequency coefficient correction to filter out the real part of a phasor at the present sampling,and the imaginary part of the phasor at the a-quarter-period-before sampling.
提出了一种电流电压相量的计算方法,其特征为利用余弦滤波器滤出的当前点和前推1/4周期后的点分别经幅频特性系数修正后作为相量的实部和虚部。
2.
In this paper,the wavelet analyses of ring laser gyro drift rate were implemented based on the Mallat algo- rithm in the wavelet analysis,the design of cosine filter is discussed.
在简述小波分析中 Mallat 算法的基础上,用其实现激光陀螺仪漂移特性的小波分析,讨论了余弦滤波器的设计。
6)  cnoidal wave
椭圆余弦波
1.
Considering the nonlinear feature of wave in shallow waters,the cnoidal wave theory is used to calculate the wave force for submarine slope stability.
针对浅水区波浪的非线性特性,提出了在海底边坡稳定性分析中应用椭圆余弦波理论来研究波浪力的问题,利用非线性弥散关系建立了新的适用于整个水深范围的椭圆余弦波的近似求解方法。
2.
The velocities in the oscillatory boundary layer due to linear and cnoidal waves are simulated based on the incompressible D2Q9 model of the Lattice Boltzmann Method.
将波浪作用下的振荡边界层问题化为振动平板边界层问题,利用格子Boltzm ann方法中不可压缩的模型模拟了线性波和椭圆余弦波作用下的层流边界层流速变化,并和理论解进行了比较。
3.
The problems of diffraction on porous multiple vertical cylinders by nonlinear water waves,such as cnoidal wave,solitary wave and second order Stokes wave,are analyzed.
分析了椭圆余弦波、孤立波以及STOKES二阶波对可渗透圆柱群结构的波绕射问题,给出了各类波对结构的绕射势解及STOKES二阶波对结构绕射作用的积分解式。
补充资料:Fourier余弦变换


Fourier余弦变换
Fourier cosine transform

I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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