Q1t

一个基于声卡的基本信号发生器，可以产生正弦波、方波、三角波和双频波，本程序有良好的图形界面。(A sound card based signal generator can produce sine, square, triangle wave and dual wave, this program has a good graphical interface.)

PSO算法优化PID参数,单回路高阶系统的PID参数优化，主程序，目标函数可以自己编写。(PSO algorithm to optimize the PID parameters)

利用matlab软件设计并仿真下面的无线通信系统。模拟信源为单音频信号。模拟调制方式为DSB。信道为多径信道（仿真中2径），信道中噪声为加性高斯白噪声。采用相干解调接收。画出了解调器输出端性能曲线与点信噪比SNR的关系。 (Software design and simulation using matlab the following wireless communication systems. A single analog audio signal source. Analog modulation of DSB. Channel multi-path channel (simulation 2 diameter), channel noise is additive white Gaussian noise. The use of coherent demodulation receiver. Draw the output of the demodulation performance curve and the point of the relationship between signal to noise ratio SNR.)

exm for Experiments with MATLAB (by Cleve Moler in 2008), 这本书是关于MATLAB的教材，乃MATLAB首席科学家兼董事长Cleve Moler的著作。(exm for Experiments with MATLAB (by Cleve Moler in 2008), this book is about teaching MATLAB, MATLAB is the chief scientist and chairman of Cleve Moler)

本组设计的声音导引系统使用双MCU结构，采用基于时间差的声源定位算法（利用三路接收器的时差信号）结合PID算法判断并控制移动声源的速度。本设计的特色在于使用四阶Butterworth带通滤波器对声音信号进行处理，使其具有较强抗干扰能力。且系统设计性价比高，功耗低。(Our group design the Sound Guidance System based on Bi-MCU configuration, using time difference sound source orientation arithmetic（the time difference signal from three receivers）combining PID arithmetic to determine and control the mobile sound source’s velocity. The feature of the designation is processing the sound signal by four-order Butterworth band-pass filter. This enhances the anti-jamming ability. Furthermore, the system has the high performance and low price.)

GPS和INS联合导航matlab程序，在紧密组合的基础上进行了算法变成，经验证，仿真有效。(GPS and INS navigation matlab program)

cybership 2 model supply vessel

计算1D,2D,3D的分维程序。调整好了的。(fractal)

用于双摄像机同步抓图.图片显示在picturebox中，save jpg 用于将图片保存在指定文件夹。(double cameras take pictures at the same time)

matlab入门学习的好书，很经典的，相信肯定可以对广大学习爱好者有帮助(a good book for matlab learning，i think it will useful for every downloader)