frequency offset invariant multiple symbol differential detection of MPSK.the objective is to design most robust receiver against random frequency variations.-frequency offset invariant multiple symbol differential detection of MPSK.the objective is

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