中文说明：设计一个发送和接收滤波器G1(f)和G2（f）的数字实现，使他们的乘积等于一个双二进制脉冲的频谱，并且G1（f）是G2(f)的匹配滤波器。
English Description：
A digital implementation of the transmit and receive filters G1 (f) and G2 (f) is designed so that their product is equal to the spectrum of a binary pulse, and G1 (f) is the matched filter of G2 (f).