My_fft1

在线字典的学习算法，此方法可以对大量的特征进行学习，完整的代码。(Online dictionary learning algorithm, this method can be for a lot of the characteristics of the study, the complete code.)

Code of line in matlab

说明：  用matlab的m文件仿真FM过程，从调制到白噪声到解调(Simulation using matlab m file FM process, from modulated white noise to the demodulator)

Numerical Methods in Engineering with Matlab by Jaan Kiusalaas

vectorcontrol2. sim . mnbv vcxcfg

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

MIMO发射和表收天线有4*48*8的QR分解符号检测QPSK调制简单例子有用就拿去(MIMO transmit and receive antennas tables have 4 * 4 8 * 8 QR decomposition QPSK modulation symbol detection will take a simple example of a useful)

This is program in digital image processing to find guassian pyramid

地震数据通常含有噪音，通过该方法可以去除地震数据中的噪音，更好的反演结果(Seismic data usually contains noise, the method can remove the noise in the seismic data, better inversion results)

这是在MATLAB下编写的基于彩色条纹的相位测量轮廓术的源码,很实用.,在光学三维测量中(This is prepared in MATLAB based on the color stripe phase measuring profilometry of the source, it is practical., In the three-dimensional optical measurement)