xiaobobianhuan

希尔伯特黄变化学习总结，技术文档，含部分matlab代码，希望对大家有帮助(Hilbert Huang change learning summary, technical documentation, containing part of the matlab code, and hope to help everyone)

半正定矩阵cholesky方法将其分解为两个上下三角矩阵相乘的形式。matlab自带的函数只能分解正定矩阵。并且给出例子。(Semi-definite matrix cholesky method be decomposed into two upper and lower triangular matrices form. matlab built-in function can only be positive definite matrix decomposition.)

Short Fourier Transform for a non periodical signal

一种基于神经网络模型的matlab实现程序(Based on neural network model matlab implementation procedures)

Winer Hopf自适应算法的仿真,信源为窄带信号,高斯白噪声(Winner Hopf adaptive algorithm simulation, the source for narrow-band signals, Gaussian white noise)

毕业设计里用到的频域回声抵消算法代码，可以有很好的效果(Graduation in the use of frequency domain echo cancellation algorithm code, you can have a good effect)

说明：  在前面1维FDTD的基础上给出了2维的FDTD程序。可以帮助我们解决比如波导，光纤中的电磁场计算问题。尤其是给出了边界条件的设置方法。(in front of a peacekeeping FDTD given on the basis of two-dimensional FDTD procedures. We can help solve such as waveguides, optical fiber of electromagnetic computation. In particular, given the boundary conditions be set.)

pso algorithm in matlab

永磁直线电机的simulink的仿真模型，可以得到运行状况(Permanent magnet linear motor simulink simulation model can be run situation)

matlab 实现汽车悬架分析，四分之一、二分之之一，整车悬架悬架 ，经测试可直接使用。 (matlab vehicle suspension analysis, one-quarter, one-half of vehicle suspension suspension, tested directly use.)