Fu-Sheng Lu

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OBJECTIVE To investigate the chemical constituents of the herbs of Taraxacum mongolicum. METHOD The chemical constituents were isolated by various column chromatographic methods and their structures elucidated mainly by NMR and MS evidences. RESULT Forty-four components were obtained and identified were as artemetin (1), quercetin (2), quercetin-3', 4',(More)
In this paper, we propose an orthogonal frequency division multiplexing (OFDM) based underwater acoustic multimedia system. An essential feature of this system is that it offers larger power and schemes providing significant error protection for the transmission sensor data information that requires higher quality of service (QoS). To realize maximum(More)
In this paper, we propose an orthogonal frequency division multiplexing–based (OFDMbased) underwater acoustic multimedia system. An essential feature of this system is that it offers greater power and schemes with significant error protection for the transmission of sensor data information requiring a higher quality of service (QoS). To realize maximum(More)
In this paper, we propose a direct mapping (DM) orthogonal frequency division multiplexing (OFDM) based transmission scheme for underwater acoustic multimedia (UAM). We adopt DM multi-input multi-output (MIMO), power assignment mechanism, OFDM, adaptive modulation, and unequal error protection in the UAM system. The proposed underwater acoustic multimedia(More)
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