IMAGE-SEGMENTATION-BY-EM-ALGORITHM-AND-WATER-MARK

基于Z源逆变器输入端不断变化，输出保持恒定的仿真模型(Based on the Z source inverter changing input and output of the simulation model to maintain a constant)

摄影测量的空间后方交会，采用迭代方法求解摄像机的6个外方位元素。严格按照摄影测量的后方交会计算流程进行编程。方便新学者和技术人员使用。(Photogrammetry space resection, using the iterative method for solving the camera s six elements of exterior orientation. In strict accordance with photogrammetric resection calculation process for programming. Facilitate new scholars and technicians.)

无痕迹卡尔曼滤波器matlab应用程序，用于非线性系统滤波(No traces of the Kalman filter matlab application for a new system filtering)

在数字基带传输系统中，实现误码率及眼图的仿真，从而加强对码间干扰和信道噪声的理解。(In the digital baseband transmission system, to achieve the simulation of the BER and eye diagram, so as to enhance the understanding of the inter-code interference and channel noise.)

Matlab code about basic filters, upsampling and downsampling. I hope you will enjoy the codes.

APF的模型，采样ip-iq法进行谐波提取，PI控制作为补偿算法，三电平spwm作为调制方式，在网侧添加了LCL滤波，个人感觉效果还不错，准备再添加重复控制，在谐波提取方面采样DFT来尝试(APF model, sampling ip-iq method for harmonic extraction, PI control as compensation algorithms, three-level spwm as modulation, the network side added a LCL filter, the effect of personal feeling good, ready to add a duplicate control, in harmony wavelet extraction areas to try sampling DFT)

FIR有限冲击响应下带通滤波器的构建及滤波器仿真（通过matlab和simulink两种方法实现）(FIR finite impulse response bandpass filter and filter simulation (via two methods matlab and simulink))

CG、Gauss、SOR、Jacobi迭代法matlab程序 自己收藏的源程序(CG, Gauss, SOR, Jacobi iteration method matlab program his collection of source code)

反射系数与地震子波褶积合成地震记录，p，d，s分别是预设地层纵波速度、密度、及横波速度模型。其中包含可以改变主频的ricker子波，avopp是提取反射系数的程序。wigb可以对其中的多道进行强化显示。(Reflection coefficient and the convolution synthetic seismogram, the seismic wavelet p, d, s are preset formation p-wave velocity, density, and shear wave velocity model. Contains can change the frequency of the ricker wavelet, avopp is the process of the extraction of reflection coefficients. Wigb can to strengthen the multi-channel display.)

说明：  各种分割算法的实验 包括阈值分割，多阈值分割，二维最大熵分割等(various experiments, including the threshold segmentation, multi-threshold segmentation, 2D Maximum Entropy segmentation)