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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.
My-ownspectr
- This the best program for spectrogram-This is the best program for spectrogram
DSP
- MATLAB软件平台下，利用函数wavread对语音信号进行采样，记住采样频率和采样点数； 2）画出语音信号的时域波形，对采样后的语音进行fft变换，得到信号的频谱特性；对语音信号分别加入正弦噪声和白噪声，画出加噪信号的时域波形和频谱图； 3）根据对加噪语音信号谱分析结果，确定滤除噪声滤波器的技术指标，设计合适的数字滤波器，并画出滤波器的频域响应； 4）用所设计的滤波器对加噪的信号进行滤波，在同一个窗口画出滤波前后信号的时域图和频谱图，对滤波前后的信号进行对比，分析信号变化； -
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.
[5]-Sensitive-White-Space-Detection-with-Spectral
- This paper proposes a novel, highly effective spectrum sensing algorithm for cognitive radio and white space applications. The proposed spectral covariance sensing (SCS) algorithm exploits the different statistical correlations of the received
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
USRPPacketTxRx
- USRP收发文字包，包括不同调制方式。有频谱图显示，即时收发。-USRP send and receive text package, including different modulation schemes. There spectrogram display, send and receive instant.
MATLAB
- 对采集的轴系平稳信号进行时域，频域仿真，得到频谱图。-Shaft for smooth signal acquisition time domain, frequency domain simulation, the spectrogram.
importfile
- Help view data excel file and then plot fft , power spectrum and histogram and spectrogram and observe them over varying resolution-Help view data excel file and then plot fft , power spectrum and histogram and spectrogram and observe them over vary
STFT_SWT_ST_matlab-files
- STFT和ST变换的基本函数，和一个stft的一个例程-This code computes the Stockwell transform (S-Transform) of a one dimensional series without for loop, thereby making it computationally fast and simple. S-Transform was proposed in 1996. A nice tutorial on S-Transform can
Spectrogram-(2)
- 短时傅里叶变换程序，实现短时傅里叶变换的快速实现，绘制时间频率功率谱图。-Short time Fourier transform program, the realization of short time Fourier transform to achieve fast, draw time frequency power spectrum.
sp_gram
- gram - 计算信号向量的频谱图 ％ ％[B，F，T] 频谱图（xx，Nfft，fs，窗口，Noverlap） ％ ％输出： ％B 谱图值 ％F 来自FFT的分析频率（Hz） ％T 窗口位置时间（秒）- gram compute the spectrogram of a signal vector [B,F,T] spectrogram(xx,Nfft,fs,window,Noverlap ) Outputs:
arse-0.2d2-win32-linux-src
- The Analysis & Reconstruction Sound Engine analyses a sound file into a spectrogram and is able to synthesise this spectrogram, or any other user-created image, back into a sound.
SOQPSK
- 这是一个原创的SOQPSK调制程序，条理清晰，思路简介。使用了matlab语言书写，且SOQPSK是一种不常见的、比较前沿的调制解调方式。本程序即成功的使用matlab语言实现了SOQPSK的调制，并绘制出了SOQPSK的时域波形图，相位图，频谱图，功率谱密度图，便于初学者学习使用。s-This is an original SOQPSK modulation process, the clarity, Approach. Matlab language used to write and SO
chenxu
- （1）录制一段语音信号，完成对信号的采样，画出信号的时域波形和频谱图，确定信号的频谱范围； （2）给信号叠加噪声（噪声类型分为如下几种：a白噪声；b单频噪色（正弦干扰）；c多频噪声（多正弦干扰）；d其它干扰。），画出受噪声干扰的信号时域波形和频谱图； （3）采用窗函数法设计FIR低通滤波器，画出滤波器的频响特性图； （4）用所设计的滤波器对受噪声影响的信号进行滤波，画出滤波后语音信号的时域波形图和频谱图； （5）对滤波前后的信号进行对比，分析信号的变化；回放语音信号，并与原始语音信号对比
conmems5th
- 计算sigma-delta调制器输出数据的SNR及输出频谱图(Calculate SNR output data of sigma-delta modulator and output spectrogram)
STFT Spectrogram Demo
- 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.)