经典功率谱估计

图像阈值分割程序，里面有好几个。运行ostu.m(Image threshold segmentation)

BP神经网络代码，使用LM算法（高斯牛顿法的改进，具有很好的鲁棒性）(BP neural network code, use the LM algorithm (modified Gauss-Newton method has good robustness))

分水岭分割的实现，主要分四个部分：1，模拟浸水过程；2，模拟降水过程；3，过度分割问题；4，标记分水岭分割算法(The realization of watershed segmentation is mainly divided into four parts: 1. 2. Simulated precipitation process; 3. Excessive segmentation; 4. Marking watershed segmentation algorithm)

详细介绍了matlab中的p文件，asv文件以及mat文件，对matlab初学者者有用(Described in detail in matlab p files, asv files and mat files, useful to beginners on matlab)

EMD或者LMD的能量密度与其平均周期的乘积K值，当K值发生较大变化的时候，证实该分量为白噪声，可以剔除，将剩下的分量进行重构，达到去噪的目的。(The product of K EMD or LMD energy density and average cycle value when the K value was changed greatly, the component for white noise can be eliminated, the remaining components are reconstructed to achieve the purpose of de-noising.)

基于最小二乘法的永磁同步电机在线参数辨识MATLAB仿真模型，辨识电机电阻、电感和永磁磁链，精度较高。(MATLAB simulation model of on-line parameter identification of permanent magnet synchronous motor based on least square method identifies resistance, inductance and permanent magnet flux linkage of the motor with high accuracy.)

二进制粒子群优化算法pso,主程序：swarmpso m 它包括以下子程序： 1 　初始化：swarminit m 2 　适应值计算函(Binary particle swarm optimization algorithm pso, master program: swarmpso m it includes the following subroutines: 1 initialize the function of the fitness value of the: swarminit m2)

通过matlab来实现遗传算法，利用遗传算法程序和遗传算法工具箱来实现该功能，具体应用效果很好-Matlab achieved through the genetic algorithm, the procedure using the genetic algorithm and genetic algorithm toolbox to achieve the function of specific application of effective

信号与信息处理中，无法对非平稳信号直接做傅里叶变换看频谱，故经常对非平稳信号进行短时傅里叶变换，现给出最为简单的STFT的代码。

Optic communication antenna angle