说明：  在单径瑞利信道中,设计一种时分的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪
(In single-path Rayleigh channel, a time-division guidance-assisted channel estimation method is designed and simulated with Simulink to measure the bit-error-rate performance of BPSK and to draw the bit-to-noise ratio.)