以一维信号为例的，平移不变量小波收缩去噪算法，供交流。具体原理请查阅相关文献。

MATLAB中常用的程序，包括硬阀值、软阀值、全局阀值，小包波去噪等等，希望对初学者有用。-Procedures commonly used in MATLAB, including the hard threshold and soft threshold, global threshold, wave packet de-noising, etc., in the hope that useful for beginners.