为了产生水下点对点通信所需的各种信号,文中在分析水下通信信号的特点后,结合已有的信号处理硬件系统,研究了编码器的一种可行性解决方案,并给出了具体的硬件实现。该系统能产生任意低频率的长时间连续发射信号,并达到了水下通信信号的精度要求。
In order to generate various signals used for the point to point underwater communication, this paper first analyzes the signal which can be used for underwater communication, then combines with the signal processing hardware system to investigate a feasible scheme, and finally lists the hardware circuits. This system can generate low frequency and long time continuous transmitting signal with the satisfied precision in underwater communication.