搜索资源列表
stft
- 短时傅里叶变换:实现对信号的时频分析,时频表示-Short-time Fourier transform: to achieve time-frequency signal analysis
Short time fourier transform analysis
- Short time fourier transform analysis for fiber bragg gatings
STFT
- fft signal prosecing
SFFT
- 提出了一种细化FFT的短时傅立叶变换(shorttimeFouriertransform,简称STFT)时频分析新方法.STFT实 质为加窗的傅立叶变换,在窗内数据满足平稳性条件下利用傅立叶变换获得频谱,并依据时间间隔移动窗函数最终得到时频表示.细化FFT在分析频率范围内具有较高的频率分辨率,将细化FFT应用于STFT的窗内数据,可有效提高STFT的时频聚集性-Proposed a frequency analysis of short-time Fourier transform FFT re
learning_stft
- 超好理解的短时傅立叶变换matlab源代码，可自行设置采样率和傅立叶变换点 -it is the easy code to master fft and stft.
lfmicw
- lfm信号和fmicw信号的仿真，stft，wvd，延迟自相关算法的子程序-lfm signal simulation and fmicw signals, stft, wvd, delayed autocorrelation algorithm subroutine
tftb
- 时频工具箱，以上给了很多函数，但常用的基本就是短时傅里叶变换STFT、Wigner-Ville分布WVD、伪Wigner-Ville分布PWVD和提取瘠ridges、得到理想时频表示tfrideal。-Time-frequency toolbox over to a lot of functions, but the basic is commonly used short-time Fourier transform STFT, Wigner-Ville distribution WVD, p
STFT
- 自己编写的短时傅里叶变换，可加窗，调整重叠率。-I have written short time Fourier transform, the window can be added to adjust the overlap rate.
STFT
- 短时傅里叶变换是一种基于窗函数的变换，短窗能够提供较好的时域解析度，长窗能够提供较好的频域解析度。-Short-time Fourier transform is a transform window function based on the short window in the time domain can provide better resolution, the long window can provide better resolution in the frequency d
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
Q2
- This code is about OLA (overlap Addition method) of Digital Signal. First signal is converted into STFT and after that is recovered back to time domain signal using overlap Addition tecnique
STFT
- 信号的短时傅立叶变换，paper2_2_1为主程序，仿真不同窗长下短时傅立叶变换的时频聚集度。stftxz为修正的短时傅立叶变换。-Short-time Fourier transform signals, paper2_2_1 main program, the simulation under different window length short time Fourier transform of the frequency of aggregation. stftxz to corr
progress-6
- this audio retrieval based on the feature extraction such as FFT, STFT, and Power Spectral Density-this is audio retrieval based on the feature extraction such as FFT, STFT, and Power Spectral Density
STFTchuang
- 短时傅里叶变换仿真，步长不同时候的比较图形-STFT simulation
STFT
- SHORT TIME FOURIER TRANSFORM OF SPEECH SIGNAL
STFT
- chirp信号的短时傅里叶变换源代码，雷达、信号处理等领域，可实现对chirp信号的短时傅里叶变换-short-time Fourier transform source code field chirp signals, radar, signal processing can be realized on short-time Fourier transform chirp signal
fourierica
- FourierICA是一种无监管的自适应学习方法，用于盲源分离问题，将短时傅里叶变换STFT与独立分量分析ICA相结合。-FourierICA is an unsupervised learning method suitable for the analysis of bss.The method performs independent component analysis(ICA) on short-time Fourier transforms of the data.
STFT
- 短时傅立叶变换，用于分析音频的时间分辨率和频率分辨率。-short time fourior transform
fmcw-matlab-code
- 利用STFT可以估计信号在每片短时窗内的频率得到信号的瞬时频率，该曲线由一组时间和频率相对应的点组成，反映了信号频率随时间的变化。-Using STFT can estimate the frequency of the signal in every piece of short-time window get signal instantaneous frequency, the curve consists of a set of time and frequency of corresp
STFT
- 时频分析方法中的短时傅里叶变换，可用于信号处理。-The time-frequency analysis of short-time Fu Liye transform method, can be used for signal processing.