GPS的自主完善性算法 RAIM

说明：  使用Lenet网络对手写数字进行识别，识别效果比较好(Recognition of handwritten numerals by using Lenet network has better recognition effect.)

Simon Haykin的《Communication Systems》(《通信系统》)的配套MATLAB源代码。包括脉冲调制、随机过程、和差错编码等。 ("Communication Systems" ( " communications systems ") supporting MATLAB code. Including pulse modulation, random process, and errors in coding.)

计算图像的各个指标，很有用，希望大家喜欢，谢谢(Calculated images of the various indicators, very useful, I hope you like it, thank you)

WGS84到北京54的坐标转换程序，7参数空间相似变换模型。(WGS84 cordinate system transform to Beijing 54 corninate system program, which use 7 parameters space simar transform model.)

说明：  本程序可以在确定初值的情况下，计算已知非线性系统的平衡点，并作出斑图模拟(This program can calculate the equilibrium point of a known nonlinear system and make a pattern simulation when the initial value is determined.)

适合初学gui的同学，快速入门，方便快捷( U5B9E u73B0 u57FA u672C u56FE u50CF u5904 u7406 u7684 u64CD u4F5C uFF0C u65B9 u4FBF u5FEB u6377)

基于宽带OFDM信号的DOA估计，采用经典的CSM算法，聚焦后采用传统MUSIC算法，最后通过谱峰搜素算法得到估计的来波角(Based on broadband OFDM signal DOA estimation, using the classical CSM algorithm, after focusing the traditional MUSIC algorithm, and finally through hormone peak search algorithm to estimate the wave angle)

七自由度车辆动力学模型与Dugoff轮胎模型(Seven degree of freedom vehicle dynamics model with Dugoff tire model)

雷达LFM（线性调频信号）仿真程序，包括信号生成，脉冲压缩以及实际FLM回波信号处理。(radar LFM signal Processing)

本实验主要用MATLAB仿真软件对弹簧振子在理想和在有外部阻尼的情况下分别进行仿真。(In this experiment, the MATLAB simulation software is used to simulate the spring oscillator in the ideal and in the case of external damping.)