周期图法估计平稳随机信号功率谱的MATLAB实现 周期图法估计平稳随机信号功率谱的MATLAB实现-Periodogram method to estimate the power spectrum of the stationary random signal MATLAB implementation

matlab应用程序 可直接用 ，运用只能算法解决旅行商问题-Matlab application can be used directly, only USES the algorithm to solve traveling salesman problem

该文件详细介绍了在频域中滤波的集中方法，以及每种方法的滤波曲线，可以分析不同的效果(The file describes the centralized method of filtering in the frequency domain, and the filtering curves of each method, which can be used to analyze different effects.)

中心差分法计算计算结构的位移，用于结构的动力分析(The center difference method calculates the displacement of the structure for structure analysis.)