合适的水声传播模型是水下声信道传递函数预报的基础。
The proper sound propagation model is the basis of transfer function prediction of underwater acoustical channel.
为了减小水声通信系统中存在的由于多径传播效应引起的符号间干扰，可在系统中使用线性均衡器。
To induce inter symbol interference which is due to multipath transmit effect in the water acoustic communication system, linear equalization can be adopted in the system.
基于时延测量的水声跟踪定位系统，当信号传播时延大于脉冲重复周期时，就会出现距离模糊。
For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.
基于时延测量的水声跟踪定位系统，当信号传播时延大于脉冲重复周期时，就会出现距离模糊。
For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.
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