中文说明：
无线通信的分集技术，通过对比是否采用分集技术的接收信号的误码率，来证明分集技术能降低接收信号的误码率。
English Description：
Diversity technology of wireless communication, by comparing the BER of the received signal with or without diversity technology, to prove that diversity technology can reduce the BER of the received signal.