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2篇 您的检索式:作者名="Muhammad Asim Ismail"
    题名 作者 年代 出处 被引量
1Integration of time-reversal mirror technique in short baseline positioning显示文摘Short baseline(SBL) system is one of the most significant systems for underwater positioning.In shallow water or littoral environment the system faces problems of large error in delay estimation and system instability because of severe multi-path.To address those problems,this paper proposes a SBL system transmitting a wideband signal combined with time-reversal.The effect of multi-path propagation on response signal is compensated by time reversal focusing which is derived from the channel multi-path characteristics.Results of simulations and actual experiments in lake show that the proposed scheme reduces errors in delay estimation.It is proved that time reversal mirror improves the accuracy and precision of underwater vehicle navigation and positioning.LI Zhuang QIAO Gang Muhammad Asim Ismail 2013Chinese Journal of Acoustics2013,32,3:3
2A study on mul- ti-path channel response of acoustic propagation in northwestern Arabian Sea显示文摘Gang Qiao Asim Ismail Muhammad Aatiq 2013Research Journal of Applied Sciences Engineering and Technology2013,5,19:1
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