详细画出了时域和频域的相关图，非归零型差分相位调制信号建模与仿真分析 ，结合PCA的尺度不变特征变换(SIFT)算法。- Correlation diagram shown in detail the time domain and frequency domain, NRZ type differential phase modulation signal modeling and simulation analysis, Combined with PCA scale invariant f

抑制载波型差分相位调制，三相光伏逆变并网的仿真，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。- Suppressed carrier type differential phase modulation, Three-phase photovoltaic inverter and network simulation, Monte Carlo simulation method of calculating the American option price and basic desc