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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 descr iption, Matlab can be used directly in procedures. No extract passwords.
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对信号进行短时傅立叶变换以及Wigner-Ville分布分析的matlab程序,The signal short-time Fourier transform and Wigner-Ville distribution analysis matlab program
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基于MATLAB的短时傅里叶变换(STFT)的语谱图的画法,MATLAB环境下,MATLAB-based short-time Fourier transform (STFT) of the spectrogram of the painting, MATLAB environment
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本例介绍了一个利用MATLAB仿真短时傅里叶变换的实例,初学者可以根据此例子来了解短时傅里叶变化的过程,通过仿真图形分析也可理解短时傅里叶变换的含义。-This example describes a short time Fourier transform using MATLAB simulation examples, beginners can understand this example of short-time Fourier transform of the process,
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利用matlab进行时频分析的程序,傅里叶变换、短时傅里叶变换、小波分析等等,功能十分齐全。-Using matlab to process time-frequency analysis, Fourier transform, short time Fourier transform, wavelet analysis, etc., function is complete.
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matlab短时傅里叶变换例程,绘出等高线图形-matlab short time Fourier transform routines, draw contour graph
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对信号进行短时傅里叶变换,可以方便的调节各种短时傅里叶变换的影响因素。-Short-time Fourier transform of the signal, you can easily adjust a variety of short-time Fourier transform of the influencing factors.
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介绍了常见的时频分析方法,包括短时傅里叶变换,Wigner-Ville分布以及小波变换等,结合MATLAB,引导读者如何运用其来进行时频分析-Describes the common time-frequency analysis methods, including short time Fourier transform, Wigner-Ville distribution and wavelet transform, combined with MATLAB, to guide the r
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matlab 短时傅立叶变换的实现,用于学习,采用mesh画图-Matlab short-time Fourier transform to achieve for learning, the use of mesh drawing
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对非平稳信号进行分段、截取,再做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characteristics, and the frequency charact
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对非平稳信号进行分段、截取,将非平稳信号转化为平稳信号,再做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characteristics, and the fre
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对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum charac
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对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征,达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spe
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对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征,一图像的形式表达出,最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysi
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对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征,以图像的形式表达出,最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysi
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Matlab source code for all of time frequency distribution: choi-Williams, short time fourier transform, Wigner Ville, Hilbert,.... Clear explain in english. All source code have been tested and WORKED!!!!!
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内含详细中文说明的短时傅里叶变换程序,便于初学者应用(The short time Fourier transform program with detailed Chinese instructions is convenient for beginners.)
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滑动DFT实现短时傅里叶变换的matlab代码,包括正变换和逆变换,可极大提高时频分析的计算效率(Sliding DFT to realize short-time Fourier transform matlab code, including positive and inverse transforms, can greatly improve the efficiency of time-frequency analysis.)
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Time Frequency Toolbox matlab时频分析工具箱,里面有各种时频分析函数,用matlab实现的,小波变换,Gabor变化,短时傅里叶变换等等(AF Ambiguity function
AR Auto-regressive (filter or model)
ASK Amplitude shift keyed signal
BJD Born-Jordan distribution
BPSK Binary phase shift keyed signal
BUD
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对信号进行短时傅里叶变换和小波变换,观察其时频特性,压缩包中含有需要用到的测试信号文件,可以直接运行,供参考(Carry out short-time Fourier transform and wavelet transform on the signal, observe its time-frequency characteristics, and the compression package contains the test signal files needed, which ca
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