模态参数识别ERA方法的源代码，可利用该方法进行环境激励下结构模态参数识别。-modal parameter identification ERA method of source code, The method can be used for environmental inspired modal parameter identification.

小波模极大源代码，可用来进行小波降噪或小波模态参数识别，该代码为斯坦福大学源码。-wavelet modulus maxima source code, which can be used for wavelet denoising or wavelet modal parameter identification, The code for the source of Stanford University.