对HARQ系统的吞吐量分析，多抽样率信号处理，使用混沌与分形分析的例程，合成孔径雷达（SAR)目标成像仿真，包含位置式PID算法、积分分离式PID。- HARQ throughput analysis of the system, Multirate signal processing, Use Chaos and fractal analysis routines, Synthetic Aperture Radar (SAR) imaging simulation target, It contains positional PID algorithm, integral separate PID.