非归零型差分相位调制信号建模与仿真分析 ，包含CV、CA、Single、当前、恒转弯速率、转弯模型，考虑雨衰 阴影 和多径影响。- NRZ type differential phase modulation signal modeling and simulation analysis, It contains CV, CA, Single, current, constant turn rate, turning model, Consider shadow rain attenuation and multipath effect.