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    • 1. 发明授权
    • Long-range acoustical positioning system on continental shelf regions
    • 大陆架区域的远程声学定位系统
    • US09013959B2
    • 2015-04-21
    • US13272639
    • 2011-10-13
    • Mohsen BadieyBoris Katsnelson
    • Mohsen BadieyBoris Katsnelson
    • G01S3/80G01S5/30
    • G01S5/30
    • Methods and systems for determining a geophysical position of an object in an underwater channel are provided. Acoustic signals from at least two sources are received by a receiver of the object. The acoustic signals have a frequency corresponding to at least one waveguide mode associated with the underwater channel, where the acoustic signals are transmitted at predetermined transmission times. An arrival time for the at least one waveguide mode is determined from the received signals, based on the predetermined transmission times. The geophysical position is determined based on the arrival time and a modal group velocity for the at least one waveguide mode.
    • 提供了用于确定水下通道中的物体的地球物理位置的方法和系统。 来自至少两个源的声音信号由对象的接收器接收。 声信号具有对应于与水下通道相关联的至少一个波导模式的频率,其中声信号以预定传输时间传输。 基于预定的传输时间,从接收到的信号确定至少一个波导模式的到达时间。 基于至少一个波导模式的到达时间和模态组速度来确定地球物理位置。