搜索资源列表
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语音信号的时域分析，有短时能量，短时平均幅度，短时过零率，清音自相关序列，浊音自相关序列，傅里叶分析。-Speech signal time-domain analysis, short-time energy, short-term average, short-term zero-crossing rate, voiceless autocorrelation sequence, voiced autocorrelation sequence, Fourier analysis.
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语音参数提取：短时过零率、短时能量、短时平均幅度、自相关序列、傅里叶分析-Speech parameters extraction: short-time zero-crossing rate, short-time energy, short-term average autocorrelation sequence, Fourier analysis
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不同信噪比下LMF信号的短时傅里叶变换仿真-Short- time Fourier Transform Simulation of LMF Signal with Different Signal- to- Noise Ratio
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语音信号处理，包括信号的时域分析，频域分析，傅里叶变换，短时能量分析，倒谱，负倒谱等功能。-Speech signal processing, including signal time domain analysis, frequency domain analysis, Fourier transform, short-term energy analysis, cepstrum, negative cepstrum and other functions.
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对吉他的单音进行短时傅里叶变换 选取主音旋律(The guitar tone of the short time Fourier transform from the melody)
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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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实现信号的短时傅里叶变换（STFT），很好理解，值得下载学习(Short time Fourier transform (STFT) for realizing signal)
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建立地质模型，并进行频谱分析，还有短时傅里叶变换。(A geological model is established and the spectrum analysis is carried out And the short time Fourier transform.)
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处理肌电信号，得到短时傅里叶变化下的中值频率和肌肉激活度进行下一步的分析(The electromyography signal is processed, and the median frequency and muscle activation degree under the condition of short time Fourier transform are analyzed)
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建立简单的层状模型，共三层，褶积合成地震记录，使得数据随机缺失30%，分别用傅里叶变换、短时傅里叶变换、s变换、小波变换对地震数据进行时频分析。(A simple layered model with three layers and convolution synthetic seismogram is established. The data are randomly missing by 30%. Time-frequency analysis of seismic data is ca
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matlab 时频分析工具箱实现短时傅里叶变换(Realization of short time Fourier transform by MATLAB time frequency analysis toolbox)
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目前的代码是一个matlab函数，它提供给定信号x[n]的短时傅立叶变换（stft）。该函数是matlab命令“光谱图”的一个替代项。功能输出为：
1）一个具有复杂stft系数的矩阵，该矩阵具有跨列时间和跨行频率；
2）频率矢量；
3）时间矢量。
为了阐明函数的用法，给出了一个示例。为了方便起见，输入和输出参数在函数的开头给出。(The present code is a Matlab function that provides a Short-Time Fourier Transfor
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生成一个线性调频信号起始频率20mhz到60mhz'带宽为40mhz'的lfm
并进行短时傅里叶变换(Generate a LFM with a starting frequency of 20 MHz to 60 mhz'bandwidth of 40 mhz' for LFM signal
Short-time Fourier transform is performed.)
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短时分数阶傅里叶变换,用于多分量线性调频信号的识别过程(Short Time Fractional Fourier Transform)
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matlab实现短时傅里叶变换的程序源码，自带例子，十分简单易懂，可以做时频谱分析。(Matlab short-time Fourier transform program source code, with examples, very simple to understand, can do time-frequency spectrum analysis.)
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