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    • 1. 发明授权
    • Short baseline helicopter positioning radar for low visibility using combined phased array and phase difference array receivers
    • 使用组合相控阵和相位差阵列接收器的短基线直升机定位雷达,用于低可见度
    • US08493263B2
    • 2013-07-23
    • US13170680
    • 2011-06-28
    • Nicholas G. PaceJacques Y. GuignéAndre A. Pant
    • Nicholas G. PaceJacques Y. GuignéAndre A. Pant
    • G01S13/00
    • G01S13/878G01S13/913G01S2013/0263
    • A helicopter position location system includes a receiver located substantially in a center of an array of receivers. A first array of receivers is located in a selected pattern separated from the center receiver by a first distance. Selected receivers in the first array are spaced apart from each other by at most one half wavelength of a base frequency of a locator signal transmitted from a helicopter. A second array of receivers is located in a selected pattern by a second distance larger than the first distance. A transmitter on the transmits a signal having a base frequency and a plurality of hop frequencies A processor in signal communication with the receivers is configured to determine phase difference with respect to frequency between any pair of receivers, to determine time delay of arrival based on the phase difference with respect to frequency, to beam steer response of the selected receivers, and to use the beam steered response and time delay of arrival between pairs of receivers to determine a position of the helicopter.
    • 直升机位置定位系统包括基本上位于接收器阵列的中心的接收器。 接收器的第一阵列位于与中心接收器分离第一距离的选定图案中。 第一阵列中的选定的接收器彼此间隔开从直升机发射的定位信号的基本频率的至多一个半波长。 第二接收器阵列以选定的图案位于比第一距离大的第二距离处。 传送具有基频和多跳频率的信号的发射机与接收机进行信号通信的处理器被配置为确定相对于任何一对接收机之间的频率的相位差,以基于 相对于频率的相位差,对所选择的接收机的波束转向响应,以及使用波束控制响应和接收器对之间的到达时间延迟来确定直升机的位置。
    • 2. 发明申请
    • Short Baseline Helicopter Positioning Radar For Low Visibility Using Combined Phased Array and Phase Difference Array Receivers
    • 短基线直升机定位雷达用于低可见性使用组合相控阵和相位差阵列接收机
    • US20130002473A1
    • 2013-01-03
    • US13170680
    • 2011-06-28
    • Nicholas G. PaceJacques Y. GuignéAndre A. Pant
    • Nicholas G. PaceJacques Y. GuignéAndre A. Pant
    • G01S13/06
    • G01S13/878G01S13/913G01S2013/0263
    • A helicopter position location system includes a receiver located substantially in a center of an array of receivers. A first array of receivers is located in a selected pattern separated from the center receiver by a first distance. Selected receivers in the first array are spaced apart from each other by at most one half wavelength of a base frequency of a locator signal transmitted from a helicopter. A second array of receivers is located in a selected pattern by a second distance larger than the first distance. A transmitter on the transmits a signal having a base frequency and a plurality of hop frequencies A processor in signal communication with the receivers is configured to determine phase difference with respect to frequency between any pair of receivers, to determine time delay of arrival based on the phase difference with respect to frequency, to beam steer response of the selected receivers, and to use the beam steered response and time delay of arrival between pairs of receivers to determine a position of the helicopter.
    • 直升机位置定位系统包括基本上位于接收器阵列的中心的接收器。 接收器的第一阵列位于与中心接收器分离第一距离的选定图案中。 第一阵列中的选定的接收器彼此间隔开从直升机发射的定位信号的基本频率的至多一个半波长。 第二接收器阵列以选定的图案位于比第一距离大的第二距离处。 传送具有基频和多跳频率的信号的发射机与接收机进行信号通信的处理器被配置为确定相对于任何一对接收机之间的频率的相位差,以基于 相对于频率的相位差,对所选择的接收机的波束转向响应,以及使用波束控制响应和接收器对之间的到达时间延迟来确定直升机的位置。
    • 6. 发明授权
    • Short baseline helicopter positioning radar for low visibility
    • 短基线直升机定位雷达低能见度
    • US08354951B2
    • 2013-01-15
    • US12768793
    • 2010-04-28
    • Jacques Y. GuignéJames A. StaceyNicholas G. Pace
    • Jacques Y. GuignéJames A. StaceyNicholas G. Pace
    • G01S13/00
    • G01S13/878G01S13/913
    • A method for determining position and orientation of a rotating wing aircraft (e.g. helicopter) with respect to a ground station includes transmitting an electromagnetic signal from the aircraft. The signal includes a plurality of electromagnetic signals, each signal having a different selected frequency. The signal is detected at an array of sensors disposed on the ground surface in a selected pattern. The array includes at least one reference sensor and at least three spaced apart time difference determination sensors. A difference in arrival time of the signals between the reference sensor and each of the time difference determination sensors is determined and a spatial position of the aircraft is determined from the time differences.
    • 用于确定旋转翼飞机(例如直升机)相对于地面站的位置和方向的方法包括从飞行器发射电磁信号。 信号包括多个电磁信号,每个信号具有不同的选定频率。 该信号以设置在地面上的选定图案的传感器阵列进行检测。 阵列包括至少一个参考传感器和至少三个间隔开的时差确定传感器。 确定参考传感器和每个时差确定传感器之间的信号的到达时间的差异,并根据时间差确定飞行器的空间位置。
    • 9. 发明授权
    • Method and system for determining position of a wireless electronic device within a volume
    • 用于确定无线电子设备在卷内的位置的方法和系统
    • US08014791B2
    • 2011-09-06
    • US12252379
    • 2008-10-16
    • Jacques Y. GuignéJames A. StaceyNicholas G. Pace
    • Jacques Y. GuignéJames A. StaceyNicholas G. Pace
    • H04W24/00
    • G01S5/06G01S5/021
    • A method for determining a position of a wireless electronic device within a volume includes detecting a signal transmitted by the wireless device during two-way communication to and from a first known position within the volume. The method further includes detecting the signal from at least three additional known positions within the volume, where the at least three additional known positions are spatially independent of each other. The method further includes determining a phase difference between the signal detected at the first position and the signal detected at each of the at least three additional positions, determining the position of the wireless electronic device using the phase differences, and at least one of displaying and storing the position of the wireless electronic device.
    • 用于确定无线电子设备在卷内的位置的方法包括:检测由所述无线设备在与所述卷内的第一已知位置进行双向通信期间发送的信号。 该方法还包括从体积内的至少三个附加已知位置检测信号,其中至少三个附加已知位置在空间上彼此独立。 该方法还包括确定在第一位置处检测到的信号与在至少三个附加位置中的每一个处检测到的信号之间的相位差,使用相位差确定无线电子设备的位置,以及至少一个显示和 存储无线电子设备的位置。
    • 10. 发明申请
    • Random Transmitter Placement Method For Stationary Seismic Imaging
    • 用于静态地震成像的随机发射机放置方法
    • US20110188343A1
    • 2011-08-04
    • US12700040
    • 2010-02-04
    • Jacques Y. GuignéNicholas G. PaceGary J. Dinn
    • Jacques Y. GuignéNicholas G. PaceGary J. Dinn
    • G01V1/38
    • G01V1/38
    • A method for at least one of imparting seismic energy into formations below the bottom of a body of water and detecting seismic energy therefrom includes releasing a plurality of acoustic transducers into the water. The transducers move to the bottom by gravity. A geodetic position of each of the transducers on the water bottom is determined. At least one of the following is performed: actuating each of the transducers as a transmitter at least once, the actuating of each transducer occurring at a time selected to cause seismic energy to be imparted into the formations in a beam along a selected direction, the selected time related to relative positions of the transducers; and recording signals detected by each of the transducers, the recording including adding a selected time delay to cause response of the transducers to be amplified along a selected direction.
    • 一种用于将地震能量施加到水体底部的地层中并且检测地震能量中的至少一种的方法,包括将多个声换能器释放到水中。 传感器通过重力移动到底部。 确定水底上每个换能器的大地测量位置。 执行以下中的至少一个:执行每个换能器作为发射器至少一次,每个换能器的启动在选定的时间发生,以将地震能量沿着选定的方向传递到梁中的地层中, 选择的时间与换能器的相对位置有关; 以及由每个换能器检测到的记录信号,所述记录包括添加所选择的时间延迟以使所述换能器的响应沿所选择的方向被放大。