数据结构课程设计，文具店管理系统,自己写的程序，方便大家使用。-Data structure the curriculum design, stationery shop management system, its own written procedures to facilitate people to use.

Discrete Wavelet Transform using Daubechies Wavelet family for Stationery and non-stationery signal and test with ECG signal for compression as well. The Matlab code are very simple and detailed one to understand easily. Can change code and produce o