双正交小波可以同时具备紧支撑、高消失矩和对称性，其构造理论得到了人们的广泛重视和研究。
Finally, digital watermark algorithm for image based on biorthogonal wavelet is proposed.
最后提出了一种基于双正交小波变换的图像数字水印算法。
参考来源 - 基于双正交小波变换的图像数字水印算法研究wavelet transform, multiscale edge extraction, Anti-symmetry biorthonormal wavelet, image coding, zerotree coding, K_L transform.
小波变换、多尺度边缘提取、双正交小波、图像编码、零树编码、K_L变换。
参考来源 - 小波变换在图像边缘提取和压缩编码中的应用研究The application of orthonormal wavelet transform and dual-orthonormal wavelet t ransform in electromagnetic scattering are presented in this paper. The compress ion rate, condi-tion numbers of the impedance matrix and execution t imes are compared.
本文分别应用正交小波变换和双正交小波变换求解电磁散射问题 ,比较这两种方法的阻抗矩阵压缩率和条件数 ,并通过计算一个二维理想导电散射体对比两种方法的计算时间。
参考来源 - 正交小波和双正交小波在小波矩量法中的应用比较But the coefficients of biorthogonal wavelet filters canbe symmetrical, so biorthogonal wavelet filters have linear phase.
而双正交小波滤波器系数可以是对称的，因此具有线性相位。
参考来源 - 双正交小波的提升分解的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
利用双正交小波基将齿轮的故障振动信号分解到时频域，并提取出齿轮的故障特征。
This paper mainly introduces that the fault vibrating signal of gears was decomposed into time-frequency domains by double-orthogonal wavelet analysis and the fault feature of gears was picked up.
实验证明该方法的去噪效果明显优于正交小波方法和普通双正交小波变换的去噪效果。
The experiment results show the de-noising effect of proposed method is better than those of the orthogonal wavelet transform and the common biorthogonal wavelet transform.
第四章详细地讨论了利用区间双正交小波，根据小波分解和重构来提取图像的边缘特征的一种新方法。
The fourth chapter discusses in detail a novel method for edge feature detection of images based on wavelet decomposition and reconstruction by means of interval biorthogonal wavelet.
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