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Description: 短时傅立叶变换(STFT)源代码,用语非稳态信号的时频联合描述,可直接用于matlab程序之中.无解压密码.-short-time Fourier transform (STFT) source code, the language of non-stationary signals to the joint time-frequency description, Matlab can be used directly in procedures. No extract passwords.
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Size: 1636 |
Author: 王杜 |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、FIR和Lattice结构；IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计，以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等；FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计；平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计；非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布；非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计，以及双谱估计的应用；信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。-signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non - parametric model b
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Size: 101182 |
Author: james |
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Description: STFT相关函数，包含了源代码，说明和简单的例子。-STFT related functions, including the source code, descriptions and simple examples.
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Size: 591278 |
Author: lideling |
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Description: stft的几个例子，包括对同一信号输出其等高线图、三维频谱图等，对于初学者很有帮助。-stft several examples, including the same right to export its signal contour maps, three-dimensional map of the spectrum. useful for beginners.
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Size: 30458 |
Author: lideling |
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Description: 经验模式分解程序（简称EMD），在某些情况下比WAVELET TRANSFORM 和STFT分析效果要好，就是计算很费时间！-Empirical Mode Decomposition (EMD), In some cases than WAVELET TRANSFORM STFT analysis and better results. Computing is a great time!
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Size: 524997 |
Author: 张勇 |
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Description: 基于matlab的短时傅立叶变换，有语音读取功能！
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Size: 811 |
Author: wenhu |
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Description: 时频分析短时功率谱，包含STFT以及GABOR展开-
When short-term power spectrum frequency analysis, including STFT and GABOR Expand
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Size: 2048 |
Author: he jia |
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Description: 该程序中audiorec.py可以录制一个音频文件，stft.py可以对该文件做短时傅里叶变化进行分析，得到音频文件的频率信息，进而可以根据音频文件的来源判断其中的信息。在压缩包中还包含一个音频文件可以作为例子。-
The program audiorec.py can record an audio file, stft.py can make the file changes short time Fourier analysis to obtain frequency information of the audio file, in turn, can determine the source of the information in accordance with the audio file. In the package also contains a compressed audio file can be used as examples.
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Size: 219136 |
Author: 乱_衣服 |
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Description: 一种短时傅里叶变换程序,一 种短时傅里叶变换程序-A type of STFT.
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Size: 1024 |
Author: dzz |
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Description: lfm.m是产生线性调频信号的函数，difwin.m实现STFT（五种窗函数）对所产生的信号的分析。-Lfm.m is a function that produces a chirp signal, difwin.m implements STFT (five window functions) to analyze the generated signal.
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Size: 2048 |
Author: Yang Song |
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Description: Short Time Fourier Transform
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Size: 2048 |
Author: Michael0124
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Description: stft code in matlab
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Size: 1024 |
Author: hunter94
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Description: STFT谱图演示，方便新手学习的简单例子。(STFT spectrum demo, easy for beginners to learn a simple example.)
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Size: 35840 |
Author: 郑景仁
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Description: 取一段音频叫声，用stft画出其语谱图，stft按原理编，便于学习与理解(Take an audio call, using STFT to draw its spectrogram, STFT compiled according to the principle, easy to learn and understand)
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Size: 98304 |
Author: 霸气葫芦
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Description: programing delphi for stft cwt dwt
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Size: 979968 |
Author: Mr.BRYL
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Description: 可对数据进行短时傅里叶变换及相应两篇参考文献(short-time fourier transform)
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Size: 1601536 |
Author: newster |
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Description: 短时傅里叶变换实现的线性调频信号的时频分布(Time frequency distribution of LFM signals realized by short time Fourier transform)
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Size: 2048 |
Author: 翼 |
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Description: 利用Matlab编写的短时傅里叶变换，将时间域信号变换到时频域进行分析(The short-time Fourier transform written in Matlab is used to transform the time domain signal into time-frequency domain.)
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Size: 1024 |
Author: Xiaohuoqiu |
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Description: 可轻松实现短时傅里叶变换及对应逆变换，可更改程序内部窗函数，自行选择合适窗函数进行分析(Short-time Fourier transform and corresponding inverse transform can be easily realized. The internal window function of the program can be changed and the suitable window function can be selected by oneself for analysis.)
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Size: 1024 |
Author: ry123 |
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Description: 基于matlab实现了基于STFT的MUSIC算法仿真
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Size: 1615 |
Author: JuanjuanNwu |
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