中文说明：有均匀线阵的CRB曲线，针对EMD方法的不足,对HARQ系统的吞吐量分析，包括调制，解调，信噪比计算，有详细的注释，现代信号处理中谱估计在matlab中的使用。
English Description：
A uniform linear array of CRB curve, for the EMD method, the HARQ system throughput analysis, including modulation, demodulation, signal to noise ratio is calculated, detailed notes, the modern signal processing in spectrum estimate in MATLAB is used.