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本文简述了水声信道对数字数据传输的影响,着重从工程实践的角度,分析了信号在传播过程中产生衰落的机理和衰落类型,介绍了抗衰落的一些技术措施,特别是分集接收技术,并结出了一些海上和湖上的试验结果。
This paper briefly describes the influence of underwater acoustic channel on digital data transmission. It emphasizes on the mechanism and the type of fading during signal propagation from the perspective of engineering practice. It also introduces some anti-fading technical measures, especially the diversity receiving technology , And concluded with some experimental results at sea and on the lake.