PMSG000

阵列天线的DOA估计MUSIC算法，只有几行简单的代码(DOA estimate the array antenna MUSIC algorithm, only a few lines of simple code)

square wave inverter dc to ac conversion

用matlab编写的，有限元三维梁单元的单元刚度矩阵计算程序，各节点6个自由度。(prepared by the three-dimensional finite element beam element of the element stiffness matrix calculation program, the 6-DOF nodes.)

用MATLAB实现卡尔曼滤波，达到对动目标的实时跟踪，程序调试无误，完美运行。(Kalman filter using MATLAB to achieve real-time tracking for moving target, program debugging and correct, perfect run.)

matlab程序，实现广义S变换功能，广义S变换是用于时频分析的一重算法。(ST code in matlab)

DOA估计常用算法，包括：music算法，卡尔曼滤波算法，自适应梯度算法，空间平滑算法，改进的空间平滑算法。(DOA estimation algorithm used, including: music algorithm, Kalman filter algorithm, adaptive gradient algorithm, spatial smoothing algorithm, the improved spatial smoothing algorithm.)

功率谱估计的应用范围很广，在各学科和应用领域中受到了极大的重视。在《现代信号处理》课程中讲述了经典谱估计和现代谱估计这两大类谱估计方法；经典谱估计是基于傅立叶变换的，虽然具有运算效率高的优点，但是频谱分辨率低同时旁瓣泄漏严重，对长序列有着良好的估计。为了克服经典谱估计的缺点，人们开展了对现代谱估计方法的研究。现代谱估计是以随机过程的参数模型为基础的，有最大似然估计法、最大熵法、AR模型法、预测滤波器法。现代谱估计对短序列的估计精度高，同经典谱估计互为补充。在认真学习了现 代谱估计方法后，我选择了现代谱估计中的AR模型法的仿真作为题目。下面给出AR模型的相关理论和仿真实现。(Power Spectral Estimation of very extensive, in all disciplines and fields of application of a great deal of attention. The "modern signal processing" on the curriculum of classical and modern spectral estimation spectrum is estimated that the two types of spectrum estimation method; Classical spectrum estimation is based on Fourier transform, although high computing efficiency advantages, but also low-resolution spectrum Sidelobe serious leakage of long sequences have good estimates. In order to overcome the classic shortcomings of the spectrum estimation, there have been a pair of modern spectral estimation methods. Modern spectral estimation is the random process model parameters based on the maximum likelihood estimation, maximum entropy method, AR model, forecast filter. Spe)

使用matlab模拟生成散斑图，是光学散斑研究的重要图。(Speckle pattern generated using matlab simulation is an important figure of the optical speckle study.)

该程序实现了对于光纤中的脉冲在光纤传播的演化过程(The program implements the evolution of the optical fiber pulse propagation in optical fibers)

一个计算角天线的MATLAB代码，已验证无误，适合初学者用！(A MATLAB code for calculating the angle of the antenna has been verified correct, suitable for beginners!)