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fftw-3.0.1
- windows下的FFT(快速傅立叶)分析源代码,标准版-windows under the FFT (Fast Fourier) analysis of the source code, the standard version
频谱分析仪 Frequency Analyzer
- 语音频谱分析。通过快速fu付立叶变化画出语音频谱-voice spectrum analysis. Fu fast Fourier spectrum voice changes paint
MATLAB_forspeech.rar
- 采用MATLAB分析WAV文件。 步骤一:选择一个WAV文件作为分析的对象 。(ding.wav) 步骤三:进行 FFT变换并画频域图形 。 步骤四:进行该声波主要频谱的分析。 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。,WAV file analysis using MATLAB. Step One: Select a WAV file as the target of analysis. (Ding.wav) Step
matlab_sound
- 利用matlab做声音分析,从声卡读入数据,并作快速傅立叶等分析。-Using matlab to do the sound analysis of the data read from the sound card, and so on for fast Fourier Analysis.
music_recognize_on_matlab
- 从信号处理的角度讲,小波(变换)是强有力的时频分析(处理)工具,是在克服傅立叶变换缺点的基础上发展而来的,所以从信号处理的角度认识小波,需要傅立叶变换、傅立叶级数、滤波器等的基础知识。 -From signal processing perspective, the wavelet (transform) is a powerful time-frequency analysis (processing) tool is to overcome the shortcomings on th
shengyin
- 这是一个对齿轮箱震动产生的信号进行捕捉并进行谱分析的程序 它应用了FFT变换算法-This is a gearbox vibration signals generated by capturing and spectral analysis procedures for the application of fast Fourier transform algorithm
yinyuehecheng
- 音乐合成 1.简单的合成音乐 2.用傅里叶级数分析音乐 3.基于傅里叶级数的合成音乐 (详细要求请见文件内题目描述)-Music Synthesizer a simple synthesis of music 2 music 3 Fourier series analysis based on the Fourier series of synthetic music (see the detailed requirements described in the document
fftcode_scope_THD
- fftcode_scope computes and displays spectrum of a signal stored in a Structure with Time format (Format used to save signals in Simulink Scope block and in To Workspace block). The signal must be sampled at fixed step. PSBFFT_SCOPE perf
stft
- 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 informat