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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
DSP
- 通过实验仿真,从输入信号和输出信号的时域和频域曲线可看出在DSP 上实现的FIR滤波器能完成预定的滤波任务。-Through experimental simulation, from the input signal and output signals in time domain and frequency domain curve can be seen in the DSP to achieve the FIR filter the filter to complete the sch
DFT
- 快速傅里叶变化是将信号从时域映射到频域的一种有效地方法,下面是用c编写离散傅里叶变化的代码。-Fast Fourier change is the signal from time domain to frequency domain mapping of an effective method, the following is the preparation of discrete Fourier c of the code changes.
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.)
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