二进小波变换(dyadic wavelet transform) 由二进制小波决定的变换.设}(x)是二进小波，令 为二进小波变换.二进小波变换是连续小波变换半离散化的结果.人们只是把尺度因子离散化，平移因子依然连续取值.
二维二进离散小波变换 ddwt
Because the dyadic wavelet transform possess translational invariability, it is widely used in mode identification and signal sigularity detection.
由于二进小波变换具有平移不变性，从而在模式识别和信号的奇异性检测中获得广泛应用。
参考来源 - 小波变换 第3讲 二进小波变换及信号的奇异性检测This paper analyse the character of sine wave, inrush current and short-circuit current after wavelet transformer in detail. Based on this, it is concluded that criterion of identification inrush current in this paper.
在二进小波变换模极大理论基础上,详尽的分析了标准正弦波、励磁涌流及短路电流小波变换后的波形特点,并归纳出了识别变压器励磁涌流的判据。
参考来源 - 基于二进小波变换的变压器励磁涌流识别A method is presented for local gear fault detection by using discrete dyadic wavelet transform.
主要研究工作如下： 对离散二进小波变换在齿轮局部故障检测中的应用进行了研究。
参考来源 - 小波分析在旋转机械故障诊断中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
本文提出了用样条插值重构算法来实现由信号二进小波变换极值点重构原始信号。
A reconstruction algorithm by cubic spline function interpolation, which is used to recover a signal from its dyadic wavelet transform extrema is proposed in this paper.
提出一种基于二进小波变换与多层分组神经网络的自由手写体数字的多分辨率识别算法。
In this paper, a new scheme of multiresolution recognition of unconstrained handwritten numerals based on dyadic wavelet transform and multilayer cluster neural network is presented.
论述了连续小波变换和离散小波变换的性质、方法，介绍了离散二进小波变换的快速算法。
The properties of the wavelet transform and the discrete dyadic wavelet transform are discussed and a fast wavelet algorithm for one-dimensional signals is described.
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