搜索资源列表
-
1下载：
小波工具箱的应用基础 395
16.1 一维小波分析的应用 395
16.1.1 小波分解在普通信号分析中的应用 395
16.1.2 小波变换在信号特征检测中的应用 411
16.2 二维小波分析的应用 417
16.2.1 小波分析在图像平滑中的应用 417
16.2.2 小波分析在图像增强中的应用 418
16.2.3 小波分析在图像融合中的应用 420
16.3 小波包分析的应用 422
16.3.1 小波包在信号时频分析中的应用 423
16.
-
-
0下载：
提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet tran
-
-
0下载：
3D reconstruction, medical image processing from colons, using intel image processing for based class. This source code. Some code missing but I think you can understand it. Development version. This source code is very interesting for learning segme
-
-
0下载：
一个快速傅里叶变换的实例。通过快速傅里叶变换实现信号的频率幅值等信息。-Examples of a fast Fourier transform. Fast Fourier transform by the frequency of the signal amplitude and other information.
-
-
0下载：
关于时频分布的跳频信号参数检测方法研究，短时傅立叶变换、魏格纳变换等-On the time-frequency distribution of the frequency-hopping signal detection parameters, short-time Fourier transform, Wigner-Ville transform, etc.
-
-
2下载：
fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图
2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选
3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱
4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
-
-
1下载：
三种非平稳信号时频分析的方法 窗口傅里叶变换、wigner分布和小波变换-Three non-stationary time-frequency analysis window Fourier transform, wigner distribution and wavelet transform
-
-
0下载：
利用MATLAB强大的图形处理功能，符号运算功能和数值计算功能，实现连续时间非周期信号频域分析的仿真波形；
1、用MATLAB实现典型非周期信号的频域分析；
2、用MATLAB实现信号的幅度调制；
3、用MATLAB实现信号傅立叶变换性质的仿真波形；
-The use of MATLAB powerful graphics processing capabilities, symbolic computing and numerical computing capabilitie
-
-
0下载：
HHT(hilbert Huang-transfrom)可以实现同时对信号的时频分析，得到信号的Hilbert时频谱和能量谱，-HHT (hilbert Huang-transfrom) can achieve the same time, the time-frequency analysis, when the signal spectrum and Hilbert energy spectrum
-
-
0下载：
研究了经验模态分解与希尔伯特变换相结合的提取信号瞬时特征的EMD/HS法，并对其性能进行了分析-EMD/HS method to study the transient characteristics of the empirical mode decomposition and Hilbert transform combining the extracted signal, and its performance is analyzed
-
-
0下载：
插值快速傅里叶变换FFT估计正弦信号频率的精度分析-Interpolated fast Fourier transform FFT to estimate the accuracy of the sinusoidal signal frequency analysis
-
-
0下载：
脑神经网络信号的离散余弦分类。所谓分类就是一种模式识别。按照某个特定标准(如距离准则)把一个数据集分割成不同的类或簇，分类后同一类的数据尽可能聚集到一起，不同数据尽量分离。而离散余弦变换是一种用来数据压缩的正交变换。所谓数据的压缩实际上就是通过丢失能量较小高频分量，保留能量较高的低频分量，从而达到压缩的目的。-Brain network signal discrete cosine classification. The so-called classification is a kind of
-
-
0下载：
The S transform is variable window of short time Fourier transform (STFT) or an
extension of wavelet transform (WT). It is based on a scalable localizing Gaussian
window and supplies the frequency dependent resolution. In this tutorial, we
int
-
-
0下载：
该文章讲述了FFT变换的局限性，提出了用chirp-z变换改进的方法，并比较了其效果。-This article describes the limitations of FFT transform, a method using chirp-z transform improved, and compared its effects.
-
-
0下载：
The Fourier transform, named for Joseph Fourier, is an integral transform that operates on the mathematical representation of a function in time and produces a function in frequency. The term Fourier transform customarily refers to both the transform
-
-
0下载：
时频分析简单例程，WV和短时变换程序.代码简便，保证可以应用-Time frequency analysis of simple routines, WV and short-time transform program
-
-
0下载：
This is matlab code for stockwell transform as a time frequency distribution for feature extraction that was developed by Doctor stockwe-This is matlab code for stockwell transform as a time frequency distribution for feature extraction that was dev
-
-
0下载：
分数复利叶变换 用于测量距离和信号压缩 使用广泛-Calculation of the Fractional Fourier Transform
-
-
0下载：
分解后的一些希尔伯特黄变换，边际谱，瞬时能量，瞬时频率。。。很好的，值得一看-Some decomposed Hilbert-Huang transform, marginal spectrum, instantaneous energy, instantaneous frequency. . . Good, worth a visit. .
-
-
0下载：
This code computes the Stockwell transform (S-Transform) of a one dimensional series
-
