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歪度指标VI
- 歪度指标是描述信号概率密度函数的重要参数。在对非平稳信号进行时域分析时，利用歪度指标反映了振动信号的非对称性，用来判断轴承是否发生碰磨。本文件中将歪度指标独立制作了子VI，便于labview程序调用。(The skewness index is an important parameter to describe the probability density function of a signal. When the non-stationary signals are analyzed i
峭度指标VI
- 峭度指标是非平稳信号故障诊断的重要参数。峭度指标对信号中的冲击成分十分敏感，冲击成分能量越大，其峭度值就会越大，在故障诊断的时域分析中十分重要。本文件中将其独立做成了一个子vi，便于程序直接调用。(Kurtosis index is an important parameter of non-stationary signal fault diagnosis. The kurtosis index is very sensitive to the impact component in the
5振动信号时域处理方法
- 5振动信号时域处理方法-<matlab在振动信号处理中的应用>王济一书对应代码(5 vibration signal time-domain processing method -<matlab in vibration signal processing > Wang Ji a Book corresponding code)
AE Calculation
- 个人编写的计算单次声发射信号的时域特征参数的程序，用以计算声发射信号的幅值，上升时间，持续时间，计数，能量等(The matlab program is used for calculating the characteristics of a burst AE signal in Time domian, such as amplitude, rise time, duration, count, energy and so on.)
freqresponse
- matlab对信号的处理，主要是针对振动信号的处理，包括加速度积分到位移，时域经快速傅里叶变换到频域(The signal processing of MATLAB is mainly aimed at the processing of vibration signal, including acceleration integral to displacement, time domain and FFT to frequency domain)
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)
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)
matlab程序
- 能够从信号中提取时域参数，包括：均值、峰值、均方根值、偏斜度、峭度等。(The time domain parameters can be extracted from the signal, including mean, peak, RMS, skewness, kurtosis, etc.)
时域逼近IIR滤波器
- 时域波形的直接逼近，初步可实用于BPSK信号解调的IIR匹配滤波器。(IIR filter designed by time-domain approximation)
IIR滤波器时域逼近设计
- 时域逼近法设计IIR滤波器,设计出了初步可实用于BPSK信号解调的匹配滤波器。(IIR filter designed by time-domain approximation)
time-domain convolution
- 主要通过labview对仿真·信号进行分析，进行时域卷积分析(The simulation signal is analyzed by LabVIEW, and the time domain convolution analysis is carried out.)
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.)
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.)
HammerBeamM
- 可以实现matlab绘制振动信号的时域谱，频谱，以及绘制奈奎斯特图，还有使用H1，H2估计，实现振动信号的分析(Matlab can be used to draw the time domain spectrum, spectrum and Nyquist diagram of vibration signal, and also use H1 and H2 to estimate vibration signal.)
带通滤波器，滤除通带外噪声，保留信号
- matlab实现带通滤波，根据采集到的时域信号，处理得到频域信号，matlab滤波(matlab Realization of bandpass filtering)
zhoucheng
- 轴承故障仿真信号时域波形图和轴承故障仿真信号幅度谱图的MATLAB程序(Bearing fault simulation signal time domain waveform and amplitude spectrum)
OFDM
- 结合理论课讲解基于Matlab仿真OFDM信号，绘制OFDM符号星座图，时域、频域曲线； 绘制发送端、接收端低通滤波器的幅频特性； 分析AWGN信道条件下OFDM系统的误码率性能( combined with the theory of lesson based on Matlab simulation OFDM signal, drawing OFDM symbol constellation, time domain, frequency
2337
- 最大似然（ML）准则和最大后验概率（MAP）准则，滤波求和方式实现宽带波束形成，分析了该信号的时域、频域、倒谱，循环谱等。( Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Filtering summation way broadband beamforming, Analysis of the signal time domain, frequency domain, cepstrum, c
fft
- 用于时域信号处理，傅里叶变换，对频域信息进行分析。(It is used for time-domain signal processing, Fourier transform, and frequency domain information analysis.)