时间序列算法，建立AR模型，进行功率谱分析，Green函数等。-Time Series algorithm, the establishment of AR model, power spectrum analysis, Green function and so on.

介绍近场声全息的参考资料，其中格林函数对全息效果的影响是比较好的参考，有助于对全息的理解-Introduction nah reference materials, which affect the Green' s function of holographic effect is relatively good reference, contribute to the understanding of holography