The multi-path interference and doppler spread are underwater acoustic channel's characteristics, which make signal go through time and frequency selective fading, resulting in serious inter symbol interference and signal fading, and bringing great obstacles to underwater acoustic communication.
水声信道具有多途干扰、多普勒扩展等特点,使得信号经历时间和频率选择性衰落,导致了严重的码间干扰和信号衰落,给水声通信带来了巨大的障碍。
参考来源 - 水声LDPC·2,447,543篇论文数据，部分数据来源于NoteExpress
对距离模糊、多途干扰等问题亦作了分析。
Some problems about the distance ambiguity and multi-path interference are also analysed.
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.
由于拖船噪声是一种具有多途角扩展的宽带相干强干扰，拖船噪声抑制是拖线阵声呐系统中的关键技术之一。
Towing ship noise is a kind of wideband interference with strong multi-path and Angle dispersion for a towed line array sonar system.
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