1) quasi-orthogonal wavelet
准正交小波
1.
The mathematical properties of the quasi-orthogonal wavelets were analyzed.
进而分析了准正交小波的数学特性,尤其是正交性;通过与诸多常用小波的比较,表明本文的准正交小波具有很好的性能。
3) orthonormal wavelet
正交小波
1.
A short-cut method of constructing Daubechies biorthonormal wavelet with even symmetry double scale parameter;
偶对称双尺度因数的Daubechies双正交小波简捷构造法
2.
The extended matrix corresponding to multiple channelorthonormal wavelet filters is also obtained in this paper, which solves the problem of the general solutions of matrixextension associated with multiple channel orthonormal wavelet filters systematically.
借助于多相位分解,提出了多通道低通滤波器经相位分解后相应的向量的酉扩充方法,由此得到多通道正交小波滤波器所对应的扩充矩阵。
3.
Compactly supported orthonormal wavelet, compactly supported biorthogonal wavelet, and B spline wavelet, etc.
紧支集正交小波、样条小波和双正交小波等都是利用滤波器组来构造的 。
4) orthogonal wavelet
正交小波
1.
Choosing proper orthogonal wavelet function,the low frequency sub-band was enhanced obviously and the high frequency sub-band was restrained moderately to realize image enhancing via the modulation of information entropy window.
选择适合的正交小波函数,可使图像的低频子带大幅度提升,对高频子带适度抑制,在信息熵窗系数的调配下实现了图像的增强处理。
2.
The construction of the B-spline wavelet is simple, and it has better stability than the orthogonal wavelet.
与正交小波相比 ,样条小波构造简单 ,对信号的重构具有更好的稳定性 。
3.
On the basis of wavelet transform technique and OFDM modulation technique, an technique substituting multi-scale orthogonal wavelet for cosine function in OFDM for the optimiza- tion design of system is proposed.
给出了基于小波变换技术的正交频分复用(OFDM)调制技术,并使用多尺度正交小波基替代 OFDM 中的余弦函数,对 OFDM 进行了优化设计,该设计方法可明显提高 OFDM 性能,克服其不足,增强其综合抗扰能力。
5) orthogonal wavelets
正交小波
1.
Stationary subdivision scheme is a newly developed geometric modeling schemes for discrete points interpolation, which have important roles in geometr ic modeling and interrogation, image decomposition and reconstruction, the const ruction of compactly supported orthogonal wavelets by multi-resolution analysis , as well as, in fractal and its computer generation, etc.
在几何造型与侦讯（interrogation），图像分解与重建，由多尺度分析构造紧 支撑正交小波，分形及其计算机生成等问题中起着重要的作用。
2.
Compact support of Fourier transform for scaling function and orthogonal wavelets are characterized by some inequalities and equalities.
并利用一些等式和不等式,给出了正交尺度函数和正交小波的Fourier变换的紧支集刻画。
6) orthonormal wavelets
正交小波
1.
By extending the theory of multi-resolution analysis to multi-bank wavelets,this paper also focuses on the study of 4-bank compactly supported bi-symmetric orthonormal wavelets.
通过将多分辨分析扩展到多进小波的办法,本文也构造了一个具有双对称性、紧支撑集和高阶消失矩的4-进正交小波类。
2.
In this paper,the idea of how to construct the compactly orthonormal wavelets with scaling factor a=4 is explained by means of matrix extension.
从矩阵的扩充出发给出了尺度因子a=4时紧支撑正交小波的一种构造方法,同时说明了补空间Wj在a=4时可以进一步分解为三个子空间的正交直和,实现Wj的细致化。
3.
A lot of compactly supported orthonormal wavelets are obtained by using this method.
利用 Reisz引理及特殊的余弦三角多项式 ,给出了一种构造紧支撑正交小波的多项式滤波器的算法 ,从而可以得到一系列特性各异的紧支撑正交的小波基 ,这为我们在应用小波分析的过程中从众多小波基中挑选出“好基”提供了可能 。
补充资料：准正
1.据一定标准查对。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条