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corre_spectrum
- 本程序能够计算两个信号的频域相干函数和两个信号的互功率谱。-This procedure is able to calculate the two signals in the frequency domain coherence function and the two signals cross-power spectrum.
13216546rador_signal
- 各种雷达脉冲压缩信号的时域,频域以及模糊函数仿真.各种雷达脉冲压缩信号的时域,频域以及模糊函数仿真-A variety of radar pulse compression signal in time domain, frequency domain as well as the ambiguity function simulation. A variety of radar pulse compression signal in time domain, frequency domain
yuyinluzhiyuchili
- 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-1. Recorded their own voice for some signal, and
FFT_Analysis
- Matlab中的fft分析含噪声的信号,其中有直接FFT,时域同步平均后FFT,频域同步平均后FFT-Matlab s fft analysis with noise signals, which have a direct FFT, time-domain synchronous average, after the FFT, frequency domain synchronization for after averaging FFT
scfde
- 单载波频域均衡,用来恢复信号的,使传输信号的失真最小。-Single-carrier frequency domain equalization is used to restore the signal to transmit the minimum signal distortion.
discrete_time
- 使用matlab对离散时间信号进行时域和频域分析-Using matlab to the discrete-time signals in time domain and frequency domain analysis
加速度频域积分为位移
- 对加速度二次积分为位移,将时域积分装换为频域积分, 实现方法为将时域信号进行FFT到频域,然后对频谱做简单运算实现了频域上的积分 最后将频域经过IFFT到时域 实现了频域上的积分。
语音信号处理
- 采用MATLAB 2015b综合运用各种函数调用等来实现语音信号时域的短时能量,短时过零以及短时自相关函数分析和频域的傅里叶变换,功率谱估计,短时傅里叶变换,小波分析,语音信号的短时综合,语谱图各种分析,充分了解熟悉语音信号的相关分析方法。(This experiment uses the MATLAB 2015 b, the integrated use of various kinds of function call to realize speech signal in time dom
chengxu
- 对原时域信号x进行fft,得到频域信号y 频域滤波 对原信号频域滤波,得到滤波之后的频域信号y1(原频域信号y*滤波器c) 求包络谱(The original time domain signal x is FFT, and the frequency domain signal Y is obtained spectrum shaping In the frequency domain filtering of the original signal, the frequency d
6振动信号频域处理方法
- 6振动信号频域处理方法-<matlab在振动信号处理中的应用>王济一书对应代码(6 vibration signal frequency domain processing method -<matlab in vibration signal processing > Wang Yi a Book corresponding code)
8试验模态参数的频域识别方法
- 8试验模态参数的频域识别方法-<matlab在振动信号处理中的应用>王济一书对应代码(8 frequency domain identification method of experimental modal parameters -<matlab application in vibration signal)
时频域统计特征
- 信号的时频域统计特征,可用于后续模式识别,特征选择,特征提取。(The time-frequency statistics of the signal can be used for subsequent pattern recognition.)
chirp_sig_re
- 一维线性调频信号的脉冲压缩,包括时域压缩和频域压缩(The pulse compression of 1D linear frequency modulation signals in frequency domain and time domain)
频域积分
- 对采集到的加速度信号进行处理,并且在频域进行积分。(The acquired acceleration signal is processed and integrated in the frequency domain.)
MATLAb振动信号代码
- 信号处理:预处理 ,时域,频域识别出模态参数(Signal processing: preprocessing, time domain and frequency domain identification of modal parameters)
shiyan6
- 该文件详细介绍了在频域中滤波的集中方法,以及每种方法的滤波曲线,可以分析不同的效果(The file describes the centralized method of filtering in the frequency domain, and the filtering curves of each method, which can be used to analyze different effects.)
LFM信号脉冲压缩时的关键问题仿真
- 以下几个matlab程序对雷达常用的线性调频信号(lfm信号)进行脉冲压缩时的关键问题进行了仿真,其中包括旁瓣抑制影响(加窗与不加窗)、多卜勒频移影响,并对时域脉压与频域脉压结果进行了对比分析,供相关技术人员参考。(The following several matlab programs simulate the key issues when pulse compression is performed on radar commonly used chirp signal (lfm sig
voice_wav_frequency
- matlab语音信号分析时域频域,加窗,降噪滤波,端点检测,时域特征和频域特征提取(Matlab speech signal analysis in time domain, frequency domain, windowing, denoising, filtering, endpoint detection, time domain feature and frequency domain feature extraction.)
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