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chengxu3
- 用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图
record111111
- 该代码可以录音，并且保存，能显示出时域和频域的波形，还能计算出信噪比。
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
LPM
- 用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum
shipinfenxi
- 对于生成的波形进行时频分析，显示出波形时频两域的三维图像-The waveform for generating time-frequency analysis, waveform display two time-frequency domain three-dimensional image
OFDM
- OFDM完美出图，信噪比，16QAM星座图，加窗信号时域和频域波形图-Perfect figure, OFDM SNR, 16 qam constellation diagram, add window signal time domain and frequency domain waveform figure
LVBOQI-SHEJI1
- 录制一段自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；通过matlab界面进行编程设计，界面方便人们操作- Their record a voice signal, and recording the signal is sampled draw sample after the time-domain waveform and frequency spectrum of the speech signal designed by matlab progr
filter1
- GUI，一个数字信号通过低通滤波器，可显示原信号、滤波器、目标信号的时域频域波形。-GUI, a digital signal through a low-pass filter, the original signal can be displayed, the filter, the time-domain target signal in the frequency domain waveform.
ImageProcess
- 超声大数据数据的处理，进行滤波、采样、时域变换、频域变换，并对数据波形进行显示，最后显示超声图像-Ultrasonic data data processing, filtering, sampling, time domain transform, frequency domain transformation, and the data waveform display, finally according to ultrasound images
add_noise_pinyutu
- 进行纯净信号和加噪信号的时频域显示，及其包络图显示，并计算加噪信号的信噪比、互相关系数、峭度值，对信号进行离散余弦变换。(The time-frequency domain display of pure signal and noise-added signal and its envelope diagram display are carried out, and the signal-to-noise ratio, correlation coefficient and kurtosis
声发射数据处理matlab
- 本程序为傅里叶变换，给定初始时域波形，可得到对应频域波形。可出图(The program is Fourier transform. Given the initial time-domain waveform, the corresponding frequency-domain waveform can be obtained. Drawing out)