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FFT
- 是信号与系统课程的课程设计，旨在熟悉FFT 的计算过程，结合DFT 物理意义和实验结果加深 对傅立叶变换的理解。文章首先用MATLAB 对一个简单信号进行FFT 仿真，得出频谱图；其次完成了FFT 的C 语言实现，结合MATLAB 作图及数据处理功能得出了C 实现下的FFT 结果；最后，讨论分析实验结果。-Curriculum design, signals and systems courses designed to familiar FFT calculation process, t
yuputu
- matlab编程，画出一段语音的语谱图，在不同时间声音的不同频率，可以比较出有声段和无声段的能量不同。-Matlab programming, draw the spectrogram of a voice, the sound of different frequencies in different time, you can compare audio segment and the energy of the silent segment.
fft
- fft 频谱 采用fft 实现载波频谱图-FFT spectrum using fft carrier spectrogram
chapter2_2
- 用MATLAB生成语谱图成序，语音信号随时间变化的频谱特性可以用语谱图表示。-Using MATLAB to generate a sequence spectrogram, speech signal time-varying spectra spectral characteristics can be expressed terminology.
speech
- A GUI for load and record and ... speech signal and sketching spectrogram.
GUI_matlab
- 实现物种功能的语音处理：倒谱、时域、频谱、语谱图以及功率谱，并加有详尽的注释。另外还可以保存图像，一倍后来研究！matlab ＧＵＩ编程-Voice processing functions to achieve species: cepstrum, time domain, frequency spectrum, spectrogram and power spectrum, and add detailed comments. It also can save the image, doub
DSPremovenoise.m
- 這是一個利用butter filter 的bandstop 來濾除原始訊號中有雜訊的方法，先轉為spectrogram觀察雜訊所分步頻帶與能量，再依照要濾除的部分作bandstopa-This is a use of bandstop butter filter to filter out the noise of the original signal has a method, the first step into a spectrogram observation noise and e
the-basic-analysis-of-speech
- 语音信号时频分析，包括语谱图，过零率，自编的自相关，以及最后用了三种方法（短时能量和过零率、谱熵法、Teager算子）进行端点检测，代码完整且测试通过-time and frequency domain analysis of speech signals,including spectrogram,rate of zerocrossing,autocorrelation.and three method of endpoint detection,especially the Teager
DTMF
- 基于matlab的DTMF数字拨号音合成，通过的简单的时域连接，用于进一步分析合成效果。DTMF2是分析部分，用于显示时域波形，频谱图和语谱图。-Based on the synthesis matlab DTMF digit dialing tone, and connected by a simple time domain, for further analysis synthesis results. DTMF2 the analysis section, time-domain wav
STFT-Spectrogram-Demo-Folder
- program demo stft pada paket program labview, silahkan gunakan sebagai bahan ajar. terima kasih, selamat mencoba
FFT_G3
- 求出多个信号的FFT频率并显示谱图，同时求出多个信号的功率谱并显示谱图-The FFT frequency of multiple signal and display the spectrum diagram, at the same time, the power spectrum of multiple signal and display spectrogram
spectral-analysis
- 这是三组程序，分别计算hibert变换，小波时频分布，wigner-vill分布，并且画出谱图-This is three groups of program, calculate hibert transform, wavelet time-frequency distribution, wigner- vill distribution, and draw the spectrogram
SpectrogramEx
- spectrogram generation and using matlab for students and new learners and understanding of spectrogram concept-spectrogram generation and using matlab for students and new learners and understanding of spectrogram concept
111
- 直流信号和阶跃信号的傅里叶分析和频谱图.-Fourier analysis and spectrogram DC signal and step signal.
exercise319a
- (MATLAB) On the companion website, you will find in the directory Chap exercises/chapter3 a workspace ex3M2.mat. In this workspace, you will find waveforms of the words “we” and “be” (at 10000 samples/s) in the array we be 10k. The waveforms and
exercise319b
- Splice out the voiced plosive “b” in theword “be” and synthesize aword with an increase in the voice onset time of the “b.” What is the perceptual effect? Is it possible to transform the voiced plosive “b” to the unvoiced plosive “p” with this ch
a
- 语音识别系统，语音识别系统的语谱图，非常好啊。-Speech recognition systems, speech recognition systems spectrogram, very nice.
spetro.m
- 语音信号的语谱图生成函数，function [ ] = spetro(Winsiz, Shift, Base, Mode, Gray)，5个参数分别为帧长、帧移、取值门限（一般设为0）、彩色模式、灰度模式-This is a matlab function for creating speech spectrogram.
yuandaima
- 这里面包括平行坐标、主元分析、画3Y轴、三维坐标下作图以及波谱图几个代码。-This includes parallel coordinates, principal component analysis, draw 3 y, under the 3 d coordinate mapping and spectrogram several code.
LFMxinhao
- 雷达线性调频信号的产生极其频谱图，对于刚刚接触雷达信号处理的同学非常有帮助-radar lFM signal and its frequency spectrogram,it is very useful for radar signal processing