Then the noises in the power line channel are analyzed, followed by a study of the OFDM system for its capability to resist the impulsive noise.

• 仿真结果表明，当信噪比较大，子载波数量足够多时，OFDM对较强的冲击干扰也能够较好地抑制，有效地提高了通信系统的性能。