test_1

多传感器数据融合的梯度下降法。方法较为简单，代码基本可以实现滚转角与俯仰角的解算，需要再调参数会更精确(Multi-sensor data fusion gradient descent. The method is simple, basic code can roll angle and pitch angle of the solver, you need to re-tune the parameters would be more accurate)

永磁同步电机滑膜变结构无速度传感器控制仿真 可以实现有速度传感器启动运行，和无速度传感器运行。 (Speed sensorless control of permanent magnet synchronous motor synovial variable structure simulation can implement a speed sensor is up and running, and speed sensorless operation. )

Background subtraction -to extract the background information from the image. Segmentation is adopted here..

指派问题：里面包含有三个函数和一个主函数(Assignment problem: which contains the three functions and a main function)

Harris Corner Detector

本课程是航空航天类院校本科飞行器设计与工程专业教学计划中的一门技术基础课。为飞行器设计与工程专业学生的必修课。本课程的目的和任务是使学生掌握流体力学基本知识和空气动力学的基本概念、基本理论，以及解决空气动力学问题的基本方法和分析手段。本课程的内容可分为两大部分：低速空气动力学和可压缩空气动力学，包括了空气动力学的基本概念、低速流动和可压缩无粘流动的基本原理、绕翼型和机翼的不可压缩流动的薄翼理论和有限翼理论、激波理论、翼型亚音速和超音速线化理论及应用等。(This course is a class of undergraduate aerospace vehicle design and engineering teaching program in a technical basic course.)

北京航空航天大学出版的matlab从零进阶的原程序代码第1章案例21.2源代码(Beijing University of Aeronautics and Astronautics from zero Advanced matlab published the original program code in Chapter 1 Case 21.2 source code)

基于滞环控制的单相桥式逆变电路仿真，在2010版matlab仿真(Simulation of single phase bridge inverter circuit based on hysteresis control, matlab simulation in the 2010 Edition)

数字信号处理，离散时间系统的相位、结构与状态变量描述典型题，能更好的理解离散时间系统(Digital signal processing, discrete-time systems the phase, structure and state-variable description of a typical question, can a better understanding of discrete-time systems)

一群优化算法程序，利用这个程序可以检查fitness的变化规律(ant colony optimization (ACO))