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用matlab如何实现fft变换
用matlab如何实现fft变换，进而得到经过fft变换后的图像(How to implement FFT transformation with MATLAB)
- 2017-10-11 10:31:22下载
- 积分：1
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gabor_decon
对地震数据进行gabor反褶积处理，有实例验证方法，简单易懂(The seismic data are processed by Gabor deconvolution.There are examples of methods to verify, easy to understand)
- 2017-09-15 11:49:20下载
- 积分：1
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qwet1234
在 MATLAB 中的窗函数,十分简单：
矩形窗 三角窗 汉宁窗 海明窗 布拉克曼窗 恺撒窗
(In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window)
- 2010-03-10 12:40:34下载
- 积分：1
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dbconstruction
任意阶daubechies小波函数的构造，包括尺度函数和小波函数以及滤波器系数的构造(arbitrary order PG wavelet function, including scaling function and wavelet function and the structure of the filter coefficients)
- 2020-11-10 20:19:45下载
- 积分：1
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nonlinear dynamics
针对转子系统非线性动力学图谱分析，绘制转子的轨迹图，相图，频谱图以及庞加莱图。(analysis about nonlinear dynamics of the rotor bearing system)
- 2017-12-13 17:11:42下载
- 积分：1
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GaborandBP
基于Gabor小波变换和人工神经网络的人脸识别方法，matlab代码。(Based on the Gabor wavelet transform and artificial neural network methods for face recognition, matlab code.)
- 2021-05-14 09:30:02下载
- 积分：1
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滚动轴承外圈故障频率，小波分析后包络变换，数据来源西储大学
滚动轴承外圈故障频率，小波分析后包络变换，数据来源西储大学
- 2022-10-25 04:35:03下载
- 积分：1
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02
2.1 傅里叶变换
2.1.1 经典傅里叶变换
2.1.2 傅里叶变换的基本性质
2.1.3 快速傅里叶变换
2.1.4 短时傅里叶变换
2.2 小波分析与多分辨率分析的历史
2.3 小波分析与傅里叶变换的对比
2.4 小波变换
2.4.1 连续小波变换
2.4.2 离散小波变换
2.4.3 高维小波连续变换
2.5 常用小波基函数
2.5.1 小波函数
2.5.2 小波函数系
2.5.3 复数小波
2.6 构造紧支撑正常小波基
2.7 多分辨率分析与小波构造
2.8 分析小波包
2.8.1 小波包的定义及性质
2.8.2 分解小波包的空间
2.8.3 小波包算法(2.1 Fourier transform
2.1.1 classical Fourier transform
2.1.2 The basic properties of the Fourier transform
2.1.3 Fast Fourier Transform
2.1.4 short time Fourier transform
2.2 wavelet analysis and multi-resolution analysis of the history of
2.3 Wavelet Analysis and comparison of the Fourier transform
2.4 Wavelet Transform
2.4.1 Continuous Wavelet Transform
2.4.2 Discrete Wavelet Transform
2.4.3 Continuous high-dimensional wavelet transform
2.5 Common wavelet basis function
2.5.1 wavelet function
2.5.2 Department of wavelet function
2.5.3 Complex Wavelet
2.6 Construction of compactly supported wavelets normal
More than 2.7 resolution analysis and wavelet construction
2.8 Analysis of Wavelet Packet
2.8.1 Definition and properties of wavelet packet
2.8.2 wavelet packet decomposition space
2.8.3 Wavelet Packet Algorithm)
- 2013-10-19 16:34:13下载
- 积分：1
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matlab-cwt
连续小波变换的MATLAB实现（未调用cwt函数）(Continuous wavelet transform of MATLAB (not using function cwt))
- 2021-03-16 01:19:23下载
- 积分：1
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Fast_Algorithm_of_Edge_Detection_Based_on_Lifting_
本文通过比较第一代和第二代小波算法特点,引入二代小波提升结构的概念,提出了一种基于二代小波提升结构的快速图像边缘检测算法 对三次B样条小波基实现提升格式,通过计算大尺度下分解子图的模值和幅角来确定边缘 经过实验比较,能比经典的边缘检测算法得出更精确的边缘图像,同时通过与基于第一代小波算法的边缘检测比较,基于二代小波提升格式的边缘检测算法计算更快速,更高效。(In this paper, by comparing first-and second-generation wavelet algorithm features, the introduction of second generation wavelet to enhance the concept of structure, a second generation wavelet-based structure to enhance the rapid image edge detection algorithm on the three B-spline wavelet lifting scheme to achieve through Calculation of large-scale mold subgraph decomposition value and increase the edge angle to determine the experimental comparison, than the classical edge detection algorithm to draw a more accurate edge image, at the same time with the first generation of wavelet-based edge detection algorithm comparison, based on the Second generation wavelet lifting scheme edge detection algorithm is faster and more efficient.)
- 2008-06-23 13:18:06下载
- 积分：1
