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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
short_time_Fourier_transform_of_windowed
- STFT 实现短时加窗 傅里叶 变换 分析 可用于跳频时频分析-STFT to achieve short time Fourier transform of windowed time-frequency analysis can be used for frequency hopping
code
- 刘波——matlab信号处理 18-25章源代码 关于高阶统计量部分 参数模型 线性预测模型 谐波恢复 DOA估计 非线性随机模型 wigner时频分布 时延估计 -Bo- matlab signal processing, Chapter 18-25 source code some parameters on the model of higher order statistics linear prediction model of harmonic restoration DOA est
WT02
- 小波讲义，对于理解小波变换及时频分析很有帮助！-teaching materials for wavelet
WT04
- 小波讲义，对于理解小波变换及时频分析很有帮助！-useful for wavelet study
时反直扩
- 被动时间反转镜和直接扩频相结合，有效克服多途环境。(The combination of passive time reversal mirror and direct spread spectrum can overcome multipath environment effectively.)
表面肌电信号时域频域分析
- 表面肌电信号常见时域频域MATLAB程序(Surface realm signal common time domain frequency domain MATLAB program)
STFT
- 利用STFT函数（有源码）对多频信号进行分析。并给出了一个实例。(The STFT function (source code included) is used to analyze the multi frequency signal. An example is given.)
时频信号分析
- 实现绘制信号的功率谱，两重自相关，滤波后时域，滤波器，频谱图，信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)
flostft
- 构造一个跳频信号使之产生稳定的时频波形，并用汉宁窗去 进行时频分析(To construct a frequency hopping signal that is generated when the frequency waveform is stable, and with a Hanning window to time-frequency analysis)
代码
- 利用广义S变换求取地震信号时频谱，参数可调，代码清晰，用途广泛(The generalized S transform is used to get the time spectrum of signals, and the parameters can be adjusted.)
时频分析
- 利用matlab仿真软件，完成对语音信号处理的时域分析和频域分析，分析语音信号的基本特征参数。(Matlab simulation software was used to complete the time domain analysis and frequency domain analysis of speech signal processing and analyze the basic characteristic parameters of speech signal.)
振动信号时域频域特征（带测试数据）
- 针对信号的时域特征和频域特征提取，带测试数据，能够运行(According to the time-domain and frequency-domain feature extraction of signals, the system can run with test data.)
脉搏波信号提取
- 对脉搏信号进行滤波处理后，再进行时域分析和频域分析，提取出脉搏信号的周期、峰值、频率等特征。(After filtering the pulse signal, time domain analysis and frequency domain analysis are carried out to extract the characteristics of pulse signal such as period, peak value and frequency.)
扩频系统通信仿真
- 扩展频谱通信系统是指待传输信息的频谱用某个特定的扩频函数扩展后成为宽频带信号，然后送入信道中传输，再利用相应手段将其解扩，从而获取传输信息的通信系统。它在传输同样信息时所需的射频带宽，远比大家熟悉的各种调制方式要求的带宽要宽得多。扩频前的信息码元带宽远小于扩频后的扩频码序列的带宽，信息己不再是决定调制信号带宽的一个重要因素，其调制信号的带宽主要由扩频函数来决定。一般常用的扩频函数是伪随机编码信号。与常规的通信系统相比，扩频系统具有很强的抗人为干扰、抗窄带干扰、抗多径的能力，此外还具有信息隐蔽多址
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征(Using MATLAB to extract 29 features of frequency and time domain signals)
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征，主运行文件feature_extraction，fre_statistical_compute和time_statistical_compute分别提取频域和时域的特征，生成的29个特征保存在生成的feature矩阵中。(Using MATLAB to extract 29 features of frequency-domain and time-domain signals, the main running files feature ex
StationaryValidation
- 对一段时域信号进行加窗处理并进行fft变换，将信号进行时频转换处理。(Application a windows to the time domain signal,and convert it to frequency domain by fft method.)
绘制频谱图matlab
- 频域图生成代码,用于生成频域内的时域对应图(whole time graphy.zip for graphy)
时域频域29个特征提取
- 时域频域29个特征提取，含有完整的MATLAB程序代码(29 feature extraction in time domain and frequency domain, including complete matlab program code)