中文说明：
局部均值分解(Local Mean Decomposition)，处理非线性非平稳信号的一个方法，LMD是依据信号本身的信息进行自适应分解。
English Description：
Local mean decomposition is a method to deal with non-linear and non-stationary signals. LMD is an adaptive decomposition based on the information of the signal itself.