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With the development of underwater acoustic (UWA) communication network technology and improvement of embedded digital signal processing chip, acoustic modem has received much attention recent years. By analyzing power consumption, board size, reliability and flexibility in application, we implement the acoustic modem based on the OMAP-L138 board. The modular algorithm is based on block-by-block processing...
In 3D real-time simulation system of ocean scene, ship wakes' effect is important. Based on the dispersive nature of deepwater surface wave, particle system's movement models of bow wake were built. Stern wake's shape-like particle system model was built according to its field angle's distance-width formula. Then the two models were realized through OSG particle system on VS2010 platform. The application...
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