中文说明：用于建立主成分分析模型，用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,通过虚拟阵元进行DOA估计，三相光伏逆变并网的仿真，基于chebyshev的水声信号分析，esprit算法对有干扰的信号频率进行估计。
English Description：
Method used to establish the principal component analysis model, using the Monte Carlo simulation calculation of American option price and basic description, the virtual array for DOA estimation, simulation of three-phase photovoltaic grid connected inverter, analysis based on Chebyshev acoustic signal, ESPRIT algorithm of interference signal frequency is estimated.