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本文件介绍了MATLAB7在数字信号处理领域中的一些最常用的函数，是一本很好的手册！(This file MATLAB7 introduced in digital signal processing in the field of some of the most common function, is a very good manual!)

matlab源程序，计算系统的相关系数，用于系统各因素的影响度分析。(matlab source code, computing the correlation coefficient for the system factors analysis.)

说明：  利用SLM和PTS降低OFDM系统PAPR，并得到相应的对比图形(Using SLM and PTS techniques to reduce the PAPR of OFDM system,and figure the CCDF)

extension of CS的可运行代码，很好的实现了论文中的实验，代码可运行，很详细(extension of CS can run code to achieve a good thesis experiment, the code can be run in great detail)

利用最速下降法计算最小曲面的面积，初始条件为0，边界条件为正方形固定边界。(Using steepest descent method to calculate the minimum surface area. Initial condition is 0, while boundary condition is square fixed values.)

基于BUCK电路的光伏发电扰动法MPPT跟踪(PV perturbation method based BUCK circuit MPPT )

室内环境的人体感应是物联网应用在安保、智能家居、节能环保方面的关键问题，近年来多普勒雷达体制的微波人体感应器作为一种高性能的室内人体传感器成为了一种热门的解决方案。微波人体感应器以雷达体制主动发射微波信号，探测回波中由目标人体产生的多普勒，输出触发信号。 国内外现有微波开关面临的主要问题是静止人体目标检测。本项目系统检测人体呼吸心跳微信息，拟通过长时间累积和滤波器提取微多普勒信息检测动目标。( Of the indoor environment of the human body induction is the Internet of things application in security, smart home, energy-saving environmental protection, the key problem of doppler radar system in recent years as a kind of high performance microwave sensor body interior human body sensor has become a popular solution. Body of microwave sensor to active microwave signal launch radar system, the detection by the target echo in the bodies of doppler, trigger signal output. Of the main problems in the domestic and foreign existing microwave switch target detection is still the human body. The project system to detect human breathing heartbeat micro information, through long time accumulation and filter extract micro-doppler information detection target. )

管壳式换热器中的热量计算，基于matlab实现(Heat exchanger calculation)

用MATLAB实现傅立叶变换(Using MATLAB to achieve Fourier Transform)

This code is related to the course Digital Communications. It simulates a communication system which uses AWGN and 16QAM