但是这种正交性却被多径衰落信道破坏，产生了多码道干扰，严重影响了系统高速传输数据的性能。
The orthogonality, however, is impaired by multipath fading channels, thus causing multicode interference (MCI) and deteriorating the system's performance at high data transmission rates.
信道通带窄、多途干扰强、衰落严重是水声通信高速可靠传输信息的主要障碍。
Narrow channel band, severe multipath interferences and severe channel attenuation have demonstrated the great complexities and difficulties of high-speed UWA communications.
仿真结果表明，在AWGN加性高斯白噪声和相关瑞利衰落信道下，系统性能均有显著改进，并能有效克服GMSK信号所固有的严重符号间串扰ISI。
Simulation results show an evident improvement in AWGN and correlated Rayleigh fading channels. The severe intersymbol interference (ISI) of GMSK signals is also effectively suppressed.
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