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IIRditonglvboqi
- 正弦信号叠加高斯白噪声，通过IIR低通滤波器，并画出时域和频域上的波形频谱图-Sinusoidal signal superimposed Gaussian white noise through the IIR low-pass filter, and draw on the time domain and frequency domain waveform spectrum
NLSE
- 此程序用于模拟光脉冲在光纤中传输,其时域和频域图。-This procedure used to simulate the optical pulse in optical fiber transmission, the time domain and frequency domain Fig.
Untitled
- 模拟单边带调幅及解调产生300 ~ 3400Hz的调制信号，画出时域波形及频谱； 产生载波信号，频率自定义，画出时域波形及频谱； 产生加性高斯白噪声，画出时域波形及频谱； 单边调幅，画出叠加噪声后的调制信号和已调信号的波形及频谱； 设计滤波器，画出幅频响应图； 解调，画出解调后的信号时域波形及频谱，并对比分析。-Simulation of single sideband amplitude modulation an
ofdm
- 我自己写的OFDM的一些仿真程序，时域图、频域图以及一些错误图样等。-I wrote it myself a number of OFDM simulation program, time-domain diagrams, frequency-domain maps and drawings and so some errors.
hutu
- 应用MATLAB的M文件编程方法过行信号频域分析。分别用矩阵运算的方法计算方波的DFS，在60的时窗宽度上方波宽度分别为5与12。并且画出x(n)和DFS(x(n))的杆状图。-Application of MATLAB M-file programming off-line signal frequency domain analysis. Were calculated using matrix calculation of square wave of DFS, in the 60'
read
- 绘制电脑中原始人声信号的时域、频域图，并在其上加入高斯白噪声，之后设计巴特沃兹滤波器将其滤除。-The draw primitive people in the computer sound signal time domain, frequency domain, and join in on the white Gaussian noise, after design Butterworth filter to filter out.
FFT_1
- 本代码可以对采集数据进行FFT，并画出频域图-do FFT for detected signals and plot frequency domain waveform.
FFT
- 信号y=sin(2*pi*f1*t)+sin(2*pi*f2*t)加上信噪比为2高斯白噪声的傅里叶变换，分别画出时域和频域图-Signal y = sin (2* pi* f1* t)+ sin (2* pi* f2* t) plus noise ratio for two Gaussian white noise of the Fourier transform, respectively, to draw the time domain and frequency domain
OFDM_matlab
- 该程序基本涵盖了OFDM-16QAM系统传输的全过程，除了调制解调外，有添加循环前缀，加窗的过程。生成图像有各个阶段的时域、频域图，以及发射前后的星座图。-This basically covers the whole process of OFDM transmission- 16 qam system, in addition to the modem, have add cyclic prefix, plus the window procedure. Generate the image
signal_processing
- 对信号进行常规处理，包括如何载入数据文件，时域图，频域图，倒频谱图，如何设置图片字体，图片颜色等-The conventional signal processing, including how to load the data file, the time domain, frequency domain, cepstrum, how to set the font color pictures, pictures etc.
Filter
- 可实现对信号的带通滤波，可自行设置滤波范围及参数，并将滤波后的时域图和频域图显示出来。-Can be achieved on the signal band pass filter, you can set your own filter range and parameters, time domain and frequency domain FIG filtered and displayed
corr_test
- 多重自相关降噪程序 有2-8重降噪结果 ，频域图，自相关函数等-Multiple autocorrelation noise reduction program
频域时域
- 求升余弦脉冲波形图（包括时域和频域的波形图）(Waveform of ascending cosine pulse)
大作业画时域频域波形图
- 一个简单的音频播放器，同时可以输出时域频域波形(A simple audio player, which can also output the time domain and frequency domain waveform)
matlabpro
- 里面包含高斯脉冲 升余弦高斯脉冲 FFT 时域频域转换 比较适合基础学习人员(Including FFT time domain frequency domain conversion is more suitable for basic learning personnel)
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.)
GFT
- 将图谱理论和傅里叶变换相结合，可以对较简单的信号进行时频域的转换。(Combining the spectral theory with the Fu Liye transform, the simple signal can be transformed in time and frequency domain.)
Shiyan7
- 1、对图像进行Fourior变换，并将图像的Fourior中心化，显示中心化后的三维频谱图及在各个坐标平面上的投影图像； 2、对图像进行fourior变换，分别运用(-1)(x+y)*f(x,y)的方法和fftshift的方法将变换后的频谱图中心化，并解释该程序的意义。 3、对图像进行fourior变换，分别显示变换后的实部图像，虚部图像，频谱图像和相角图像，比较说明各个图像与原图像之间有何联系。(1. Fourier transform is applied to the image an
振动方程求解程序
- 此程序可求解二阶微分方程振动的时域图和频域图，计算精准。(This program can solve the time domain and frequency domain of the second order differential equation vibration, and the calculation is accurate.)
qpsk
- qpsk信号的产生，并在成型滤波和调制后的时域频域图，及载波调制后星座图观察(The QPSK signal is generated and observed in the time-domain and frequency-domain diagram after shaping filtering and modulation, and the constellation diagram after carrier modulation)