公开(公告)号：US20190187243A1

公开(公告)日：2019-06-20

申请号：US16282937

申请日：2019-02-22

Applicant: Intelligent Sciences Ltd.

Inventor： Jacques Y. Guigné ,  Nicholas G. Pace

IPC: G01S5/22 ,  G01S5/18

CPC classification number: G01S5/22 ,  G01C5/005 ,  G01S5/186 ,  G01S5/24 ,  G01S5/26 ,  G01S5/30

Abstract: A method for determining position of an aircraft with reference to a location on the ground includes transmitting an acoustic signal from a position on the aircraft to an array of spaced apart acoustic sensors proximate the location. The method includes at least one of (i) determining a time difference of arrival of the acoustic signal between each of the acoustic sensors and a reference acoustic sensor and (ii) determining an arrival time of the acoustic signal at each of the spaced apart acoustic sensors. The position of the aircraft is determined from the time differences of arrival and/or the arrival times.

公开(公告)号：US20160103203A1

公开(公告)日：2016-04-14

申请号：US14878296

申请日：2015-10-08

Applicant: Intelligent Sciences, Ltd.

Inventor： Nicholas G. Pace ,  Jacques Y. Guigné

IPC: G01S5/26

CPC classification number: G01S1/74 ,  G01S1/80 ,  G01S5/30 ,  G01S11/16

Abstract: A system for locating a mobile electronic device includes a plurality of acoustic transmitters arranged in a selected pattern within a volume. A first processor is in signal communication with each of the acoustic transmitters. The processor is programmed to drive each of the transmitters with a different coded signal. The signals are substantially decorrelated with each other. An electromagnetic signal transceiver is in signal communication with the processor. The processor is programmed to communicate a time reference signal to the mobile electronic device. The mobile device includes an acoustic receiver for detecting signals from the transmitters and an electromagnetic transceiver for receiving the time reference signal. The mobile device includes a second processor programmed for cross-correlating signals detected by the acoustic receiver with a replica of each of the different coded signals. The second processor has instructions programmed therein for calculating an acoustic travel time of acoustic signals between each transmitter and the acoustic receiver from the cross-correlated signals. At least one of the first processor and the second processor is programmed to determine the position of the mobile electronic device from the travel times.

Abstract translation: 用于定位移动电子设备的系统包括在体积内以选定的图案布置的多个声发射器。 第一处理器与每个声发射器进行信号通信。 处理器被编程为用不同的编码信号驱动每个发射机。 这些信号基本上是相互关联的。 电磁信号收发器与处理器进行信号通信。 处理器被编程为将时间参考信号传送到移动电子设备。 移动设备包括用于检测来自发射器的信号的声学接收器和用于接收时间参考信号的电磁收发器。 移动设备包括第二处理器，其被编程用于将由声接收器检测到的信号与每个不同编码信号的副本相互相关。 第二处理器具有在其中编程的指令，用于根据交叉相关信号计算每个发射机和声接收机之间的声信号的声学行进时间。 第一处理器和第二处理器中的至少一个被编程以从行进时间确定移动电子设备的位置。