资源列表
sft_wt.rar
- 给定函数,变换到频域内,比较短时傅里叶变换大、小视窗和小波变换的区别,生成时频分析图,A given function, transform the frequency domain, more short-time Fourier transform, and a small window and the difference between wavelet transform to generate time-frequency analysis
finger(wavelet)
- 小波分析用于去噪(指纹方面的应用)相当有用的程序对学小波的同学来说-Wavelet analysis is used to denoising (fingerprint applications)
P4_2_1
- 相关图法谱估计,在使用MATLAB进行谱分析时可以用周期图法也可以用相关图法,这个代码对这两个方法进行了比较仿真,发现结果相差不大。基本相同-Correlogram spectral estimation method
a_trous_dwt
- a trous wavelet transform function
di
- 最大似然估计的matlab程序,一个比较常用的数字信号处理程序.-Maximum likelihood estimation matlab procedures, a more commonly used digital signal processing.
mallatdec2
- 对二维图像进行离散小波变换,采用mallet快速算法进行分解-Two-dimensional discrete wavelet transform image, using mallet fast decomposition algorithm
xiaobo
- 该程序实现了小波变换对音频信号的降噪处理,简单实用!程序运行时需要一个.wav格式的音频信号。-Procedures for the implementation of the wavelet transform of the noise reduction audio signal processing, simple and practical! Procedures required a run-time. Wav format audio signal.
Untitled
- 利用小波变换实现对故障信号的特征提取 构造特征向量-Wavelet transform feature extraction of fault signals structural feature vector
fft_bpfilter
- 该函数使用matlab对运动情况下的心电信号做快速傅里叶变换,并加汉宁窗函数进行滤波-The function uses Matlab ECG movement fast Fourier transform, Hanning window function filtering
wiener
- 维纳正弦信号滤波,可估计最优均方误差。欢迎各位初学者朋友下载学习。-Sinusoidal signal Wiener filter can estimate the optimal mean square error. Beginners welcome all friends to download the study.
BUFGRAGH
- this design for isotropic antenna between Adelaide and Broken Hi-this is design for isotropic antenna between Adelaide and Broken Hill
wavelet_denoising3_20
- 这是利用二维小波分析对含高频噪声的图像进行消噪的例程,这里采用的是小波分解系数阈值量化法,-This is the routine use of two-dimensional wavelet analysis denoising images with high-frequency noise, the wavelet coefficients threshold quantization method used here,