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stft
- 一维向量的离散短时Fourier变换函数。函数名：stft，输入：要处理的一维数组，加窗：矩形窗，窗口宽度：20。
Automatic_Fingerprint_Authentication_System
- A novel texture-based Automatic Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind o
shipinfenxi-
- 用stft、小波变换、EMD分别对突变信号进行时频分析-With stft, wavelet transform, EMD mutations were signals of time-frequency analysis
STFT
- 短时傅里叶变换的一些简单的演示，其中有矩形窗和高斯窗-some demos for the short time fourier transform
stft
- 小波变换子程序-Wavelet Transform Subroutine
sfinge25
- A novel texture-based Automatic Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind o
CA4
- STFT and WAVELET CODE AND REPORT
STFT
- 短时傅里叶变换,主要用于故障诊断和信号处理，很好用-Short-time Fourier transform
stft
- this program calculate the stft short time fourier transforme
MP
- Gabor子波追踪信号分析及其WVD分布图与STFT对比-Gabor wavelet pursuit
stft
- 短时傅立叶变换和几种基小波的编制以及对多个基小波的选择。-short time Fourier transform and wave_bases
stft
- STFT短时傅里叶变换，针对一个和两个调频信号进行分解，变换结果可以显示-STFT transform for a short time, and two FM signal decomposition, transform the results can show
radar2
- 1、 生成多周期线性调频信号，并对其进行频谱分析； 2、 对仿真生成的信号利用两种窗口函数进行STFT变换生成时频分析图-1, to generate multi-cycle chirp signal, and its spectrum analysis 2, the signal generated by the simulation window function using two STFT transform to generate time-frequency analysis
stft
- 里面包括短时傅里叶变换谱，倒谱平滑等，这些代码广泛用于，语音说话人识别，语音增强，雷达，声呐，图像等领域-Including short-time Fourier transform spectrum, cepstrum smooth, etc., are widely used in the code, voice speaker recognition, speech enhancement, radar, sonar, image, etc
STFT
- 一个简单的调用Matlab stft函数进行短时傅里叶变换的示例程序-A simple function call Matlab stft short time Fourier transform of the sample program
STFT
- 短时傅里叶变换的matlab函数，有助于理解算法原理-Short-time Fourier transform matlab function, help to understand the algorithm principle
STFT
- 分析和仿真演示短时傅里叶变换时间确定性与频率确定性之间的关系-Analysis and simulation demonstrate short time Fourier transform relationship between certainty and uncertainty frequency
blind-source-separation
- 在MATLAB环境中，得到语音信号的散点图，STFT变换和小波包变换。-In the MATLAB environment to obtain a scatter plot of the speech signal, STFT transform and wavelet packet transform.
STFT
- 短时傅里叶变换的例子，运行处信号图和三维时频分析图-Examples of short-time Fourier transform, while running at a frequency signal and three-dimensional analysis chart
STFT
- java实现短时傅里叶算法，在工业故障诊断中，stft算法提供时频域的故障诊断方式(Java implementation of short - time Fourier algorithm, in industrial fault diagnosis, STFT algorithm provides time frequency domain fault diagnosis mode)