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语音语谱图与基频
- 编译时需要intel C++编译器支持,程序主要功能显示语音波形,画出窄带语谱图,以及语音基频变化曲线-need intel compiler C compiler support, principally voice waveform display function, he painted the phrase narrowband spectrum, and the voice-frequency curve
SPEC
- 这是我们的matlab与时频分析工具箱上下的程序,关于处理脑电波谱图与脑电波的源码-This is our Matlab and time-frequency analysis toolbox ish procedures, Regarding the handling of EEG Spectrum plans and the source of brain wave
3Dshipinfenbu
- 三维时频图的算法研究-pdf文档,与大家分享
colea
- 美国德克萨斯州大学电子工程系开发的一套进行语音分析的MATLAB程序.包括时域分析,语谱图分析,基频分析,共振峰检测等。对于语音分析会有很大的帮助
LMS.rar
- LMS收敛程序。有2个仿真图,一个时域一个是频域的。,LMS convergence process. The simulation has two maps, one is a time domain frequency domain.
nspab
- 最新版计算三维HHT时频图的M文件,很有用-HHT the latest version of the calculation of three-dimensional time-frequency map M files, very useful
vhdl
- 信号与线性系统的时频域分析:观测已知方波信号、正弦波信号的频谱;观测实时模拟信号的频谱;加深理解时域周期信号的各频率分量在振幅频谱图上所占的比重;观测相位在波形合成中的作用;LTI系统的频域分析,LTI系统对周期性输入信号的响应。-Signals and linear systems with time-frequency domain analysis: observation known square wave signal, sine wave signal spectrum obser
ofdm123
- OFDM系统完美仿真绝对可用包含星座图,时域频域仿真及传输函数-OFDM system is absolutely perfect simulation can include constellation, time domain simulation and frequency domain transfer function
yuyinshiyupinyufenxi
- 语音信号的时域频域分析,从短时能量到语谱图,以及线性预测参数和梅尔倒谱系数-Speech signal in time domain frequency domain analysis, from the short-term energy to the spectrogram, and the linear prediction parameters and the Mel cepstral coefficients, etc.
SimulinkFSK
- 题目要求: 1.录制一段自己的语音信号,并对录制的信号进行采样; 2.画出采样后的语音信号的时域波形和频谱图; 3.给定滤波器的性能指标,采用窗函数法和双线性变换法设计滤波器, 并划出滤波器的频域响应; 4.用该滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱, 并对滤波前后的信号进行对比,分析信号的变化; 5.回放语音信号; 6.设计一个信号处理系统界面。-Subject to: 1. Recorded his voice for so
strech
- 去斜率(strech)参考信号与回波信号混频后得到中频输出信号S(t)=Aexp(j*2*pi*f0*t+phase) 其中f0与回波延时的关系为: f0=k*delay_t K为线性调频斜率,delay_t为回波延时 将s(t)采样,FFT变换即可得到目标距离与频谱的关系。 Strech 信号测距 输入混频后的中频信号(图一),经采样及FFT变换得到频谱(图二) 再根据频谱与距离的关系式R=Tcf/2B显示出距离(图三) -Go slope (strech
stft
- 时频分析,一个频率为100的正弦信号做WVD时频分析,做出图后有两个频率(100Hz和400Hz)-Time-frequency analysis, a sinusoidal signal with a frequency of 100 do WVD time-frequency analysis, make a diagram after the two frequencies (100Hz and 400Hz)
spansysy
- 任意信号的时频分析仪,包含傅里叶变换和功率谱图等分析。-Any time frequency analyzer based on LabVIEW
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
STFT
- 实现stft变换,输出时域图,频域图,能量谱等信号分析图。-Stft achieve transformation, the output time domain diagram, frequency domain, the energy spectrum and other signal analysis chart.
main_DSCDMA
- 版块是用香浓定理来述说扩频通信时传播原理。并用MATLAB的编程软件去建立一个直接扩频的仿真模型的,在排除其他因素的情况下可以观察曲线和动态图去分析直接扩频的可靠程度-Section in aromatic theorem is used to declare the spread spectrum communication transmission principle. With MATLAB programming software to build a simulation model
time_frequency_matlab
- 横坐标是时间,纵坐标是频率,matlab绘制时频图的小程序-Time frequency pic
xinhaofenxi
- 该程序实现信号的频谱、功率谱分析,时域图和频域图,自相关函数曲线等。-The program for the signal spectrum power spectrum analysis, time domain and frequency domain graph, autocorrelation function curve, etc
sou_v32
- 在matlab R2009b调试通过,详细画出了时域和频域的相关图,分数阶傅里叶变换计算方面。- In matlab R2009b debugging through, Correlation diagram shown in detail the time domain and frequency domain, Fractional Fourier transform computing.
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