关于基于matlab的hht_huang变换的详细教程，以及有关实例的列举，对hht、emd算法的初学者帮助很大-Based on matlab detailed tutorial on the hht_huang transformation, and include relevant examples of hht, emd algorithm is very helpful for beginners

该程序对随机输入噪声进行了预处理，对EMD初学者很有借鉴意义(The program preprocesses random input noise, which is very useful for EMD beginners.)