Di Zeng

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Underwater acoustic network nodes are widely used in underwater sensor networks. In this paper, an underwater acoustic network nodes that works at the frequency between 10 kHz and 15 kHz is designed. This system can operate in two modulation methods, MFSK and QPSK, which have a data rate of 288 bps and 4.2 kbps respectively. Two series of experiments were(More)
The underwater acoustic communication system has a number of restrictions to DSP core because of the bad underwater environment. In view of this situation, we have designed a DSP platform with high performance, small scale, low power consumption and high reliability. This platform has only one processer, and a high speed and volume, low power SDRAM is(More)
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