this code is about QRS detection in ECG signal. you have to enter the signal data, and the output is the position of the Q and R and S wave.

一种自适应阙值R波的检测算法，读取TXT文本数据的.m码源-An adaptive threshold detection algorithm R-wave, the source code .m read TXT text data

用平面波展开法计算二维声子晶体带隙,matlab程序运行时导入数据文件作为输入参数，实现了对10个数字音的识别程。- Computation Method D phononic bandgap plane wave, Import data files as input parameters matlab program is running, Realization of 10 digital audio recognition progra.

兰姆波相速度频散曲线的绘制（横轴为频厚积，纵轴为相速度），各模态的频散数据均可以导出。(Lamb wave phase velocity dispersion curve(The transverse axis is frequency-thickness products, and the vertical axis is phase velocity),and the dispersion data of each mode can be derived.)