查询词典 wavelet

Unlike Fourier bases, wavelet bases have the property of compact support.

与Fourier正交基不同的是，小波正交基具有局域性好的特性，这为分离观测资料中的局部噪音，提供了一个十分有效的工具。

Owing to the properties of wavelet packet functions such as compact support in time domain, localization in frequency domain and orthogonalities, the performance of the proposed system is enhanced greatly.

为了节约系统带宽，论文提出了小波包函数的"有效支撑长度"的概念，通过合理调节"有效支撑长度"上的小波包函数的长度达到节省系统带宽的目的。

Many authors randomly chose different compact support Daubechies wavelet to analyze pressure fluctuations in fluidized beds.

基于床层压力波动信号的小波分析已用于流态化的研究。

Daubechies'theory, the regularity of orthonormal wavelet bases with compact support increases linearly with the support width.

从理论上说，通过去冗余和规范正交化处理，可以由L〓的框架构造出L〓的规范正交基。

The wavelet properties of compact support and multi-scale analysis can ensure the target function of the whole time domain optimization, some important points fitting and the optimal parameters aggregation.

利用小波的紧支局部性和多尺度分析特性，既保证了整体误差性能的优化，又突出了重要拟合点的逼近要求，并实现了优化变量的集结。

The complex Daubechies wavelet had some good properties such as compact support,orthogonality,symmetry and approximate linear phase.

小波分析已成为信号和图像处理的有力工具，基于小波分析的图像去噪、压缩、检测、融合等已得到成功应用。

This paper gives several non-linear difference equations based on the orthogonality,regularity and standardity of the orthogonal wavelet with compact support.

从紧支撑正交小波滤波器的正交性、规范性及正则性条件出发，获得了求解滤波器系数的非线性差分方程组，并采用最优化方法求解。

Part or all of the mesh can be eliminated by using the compact support, the orthogonality and other properties of the wavelet function and the meshless algorithm to enhance the computing capability and reduce the error.

利用小波函数的紧支性、正交性等性质及无网格算法可以部分或全部消除网格而具有提高计算能力且减少误差的优点。

As we know, with the exception of the Haar function, uni-real-valued orthogonal wavelet filter banks with compact support lack symmetry and do not possess linear phase.

我们知道，紧支撑正交的单一小波除Hair小波外不具有任何对称性，它用作滤波器不可能有线性相位，而由实单一紧支撑正交的尺度函数构造出的二重尺度函数却是对称的，对应的二重小波可以是对称或反对称的，从而使得这种小波在信号处理的过程中具有线性相位。

A new method is presented to construct a kind of compactly supported biorthogonal wavelet based on human visual system.

构造了一个与人的视觉系统模型的调制转移函数相近似的紧支撑双正交小波基。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。