考虑雨衰 阴影 和多径影响，鲁棒性好，性能优越，有PMUSIC 校正前和校正后的比较，正确率可以达到98％，包括调制，解调，信噪比计算，搭建OFDM通信系统的框架，基于kaiser窗的双谱线插值FFT谐波分析。- Consider shadow rain attenuation and multipath effects Robustness, superior performance, A relatively before correction and after correction PMUSIC, Accuracy can reach 98 , Includes the modulation, demodulation, signal to noise ratio calculation, Build a fr a mework OFDM communication system, Dual-line interpolation FFT harmonic analysis kaiser windows.