Detailed_PMSG_one_machine

从高噪下提取微弱信号是工程中在信号预处理中很重要的一个分支。故该课题要求同学在分析弱信号的特点基础上，研究不同算法在弱信号检测上的优缺点(Extract weak signals from noisy signal preprocessing engineering in a very important branch. Therefore, the subject requires students to analyze the characteristics of a weak signal on the basis of research on the advantages and disadvantages of different algorithms to detect the weak signal)

用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。(Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.)

说明：  EMD分解仿真程序，基于EMD分解的仿真信号实例分析 (EMD decomposition simulation program, based on examples of EMD decomposition of simulated signal)

用matlab绘画圆形线圈周围磁场分布图(Painting a circular coil magnetic field)

wimax matlab 程序，可以解决wimax仿真与测试的问题(wimax matlab program)

设计一程序，要求用带缓存的流文件I/O操作，在“./tmp”目录下,打开名称为“tmpfile”的文件。如果该文件不存在，则创建此文件；如果存在，将文件清空后关闭。W或w+(design a program, it need to use the cache files to operate the in/out directory)

语音信号的短时能量程序，可以实现清浊音分离(Short-time speech signal energy program, you can achieve the sound separation Qingzhuo)

inverse updaing source code in matlab

说明：  《MATLAB程序设计教程》源代码，为书籍源代码(Matlab design lecture)

利用matlab对图像所感兴趣的区域进行面积计算并且求解(Use matlab image of the region of interest and area calculations carried out to solve)