ask4

使用Perl得到任意一个目录下的所有子项名称；(To get all the sub-items names under a given dir.)

说明：  用于调试stm32f103rc的触摸屏，可以自行重新设置端口参数，利用keil进行调试(ouch screen for debugging stm32f103rc)

说明：  用于多机器人的编队控制，能够形成不同的编队(Formation control for multiple robots can form different formations)

说明：  基于MFC的对话框OpenGL,大家可以试着做一下，理解基本原理(MFC dialog-based OpenGL)

说明：  数学建模竞赛：DNA序列的分析，内附有关数据和代码，matlab语句编程(Mathematical Contest in Modeling: DNA sequence analysis, containing the relevant data and code, matlab programming language)

数字波束形成，针对QAM瑞利通道加白高斯噪声的仿真(Digital Beamforming for QAM Rayleigh Channel with White Gauss Noise)

说明：  armijo准则下bfgs法实现，最优化方法作业，大连理工大学(Realization of BFGS method under Armijo criterion, operation of optimization method, Dalian University of Technology)

能够较好地对风速进行威布尔分布函数拟合，并计算形状参数和尺度参数(It is better to fit the Weibull distribution function to the wind speed and calculate the shape parameters and scale parameters.)

说明：  互信息函数，用于计算混沌模型的重要函数，包括计算其他的函数，都在其中。(Mutual information function is used to calculate important functions of chaotic model, including other functions.)

构建了三自由度四轮转向汽车的状态空间模型，可以直接进行时域、频域、稳定性等方面的控制(The state space model of three degree of freedom four wheel steering vehicle is constructed, which can be simulated directly in time domain, frequency domain, stability and so on)