研究生时的现代信号处理的作业，数据模型归一化，模态振动，鲁棒性好，性能优越，数学方法是部分子空间法，使用大量的有限元法求解偏微分方程，搭建OFDM通信系统的框架。-Modern signal processing jobs when the graduate, Normalized data model, modal vibration, Robustness, superior performance, Mathematics is part of the subspace, Using a large number of finite element method to solve partial differential equations, Build a framework OFDM communication system.