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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 有权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，用于低可见度公开(公告)号：US08493263B2
公开(公告)日：2013-07-23
申请号：US13170680
申请日：2011-06-28
IPC分类号： G01S13/00
CPC分类号： G01S13/878 , G01S13/913 , G01S2013/0263
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US08354951B2
公开(公告)日：2013-01-15
申请号：US12768793
申请日：2010-04-28
IPC分类号： G01S13/00
CPC分类号： G01S13/878 , G01S13/913
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US08072839B2
公开(公告)日：2011-12-06
申请号：US12485080
申请日：2009-06-16
CPC分类号： G01S15/89
摘要： An acoustic camera includes an acoustic transmitter disposed at one longitudinal end of a housing. The transmitter has a convex radiating surface. A diameter of the transmitter is about four times a wavelength of acoustic energy emitted by the transmitter. A plurality of acoustic receivers is disposed at spaced locations in a pattern extending laterally from the housing. A signal processor is in signal communication with the acoustic receivers. The signal processor is configured to cause the acoustic receivers to be sensitive along steered beams. The signal processor is configured to cause an end of the steered beams to move through a selected pattern within a beam width of the acoustic energy emitted by the acoustic transmitter. The signal processor is configured to operate a visual display device to generate a visual representation corresponding to acoustic energy detected by the acoustic receivers. A visual display device is in signal communication with the signal processor.
摘要翻译： 声学照相机包括设置在壳体的一个纵向端部处的声发射器。 发射器具有凸起的辐射表面。 发射机的直径约为发射机发出的声能波长的四倍。 多个声音接收器设置在从壳体横向延伸的图案中的间隔位置处。 信号处理器与声接收器进行信号通信。 信号处理器被配置为使声学接收器沿着转向光束敏感。 信号处理器被配置为使得转向束的结束在由声发射器发射的声能的波束宽度内移动通过选定的图案。 信号处理器被配置为操作视觉显示设备以产生对应于由声学接收器检测到的声能的视觉表示。 视觉显示装置与信号处理器进行信号通信。
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4.发明授权Imaging subsurface formations while wellbore drilling using beam steering for improved image resolution 失效在井眼钻井时使用波束转向来改善图像分辨率，成像地下地层公开(公告)号：US08627715B2
公开(公告)日：2014-01-14
申请号：US13011965
申请日：2011-01-24
IPC分类号： E21B47/14
CPC分类号： E21B47/0002
摘要： A system for imaging rock formations while drilling a wellbore includes a drill collar and a plurality of acoustic emitting transducers mounted in the drill collar at angularly spaced apart locations and oriented to emit acoustic energy at least one of laterally away from the drill collar and longitudinally away from the drill collar. A plurality of arrays of acoustic transducers arranged is longitudinally along the drill collar and angularly spaced apart from each other. Each transducer in the plurality of arrays is oriented normal to a longitudinal axis of the collar. Angular spacing between adjacent arrays is selected to provide lateral beam steered receiving response having a selected main lobe width and side lobe response for a plurality of rock formation acoustic velocities. A controller selectively actuates the emitting acoustic transducers at selected times. The controller beam steers response of the plurality of arrays of transducers to detect reflected acoustic energy from the emitting acoustic transducers.
摘要翻译： 用于在钻井时对岩层进行成像的系统包括钻铤和安装在钻铤中的角度间隔开的位置处的多个声发射换能器，并且被定向以发射离开钻铤横向远离钻铤的至少一个并且纵向离开 从钻铤。 多个排列的声学换能器阵列沿着钻铤纵向并且彼此成角度间隔开。 多个阵列中的每个换能器垂直于套环的纵向轴线定向。 选择相邻阵列之间的角度间距以提供具有用于多个岩层声速的所选主瓣宽度和旁瓣响应的横向梁转向接收响应。 控制器在选定的时间选择性地致动发射声换能器。 控制器光束引导多个换能器阵列的响应，以检测来自发射声换能器的反射声能。
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5.发明授权System and method for determining a position of a mobile device within a surveillance volume in the presence of multipath interference 有权用于在存在多路径干扰的情况下确定监视音量内的移动设备的位置的系统和方法公开(公告)号：US08077091B1
公开(公告)日：2011-12-13
申请号：US12830472
申请日：2010-07-06
CPC分类号： G01S5/0215 , G01S3/48
摘要： A system of determining a position of a mobile device within a surveillance volume includes a phase difference array comprising a spatially diverse array of N sensors for detecting RF signals from the mobile device and acquiring phase difference data from the RF signals, N being greater than 4. The system includes a processor for processing the phase difference data and determining the position of the mobile device from the phase difference data.
摘要翻译： 确定监视体积内的移动设备的位置的系统包括相位差阵列，其包括用于检测来自移动设备的RF信号的N个传感器的空间不同阵列，并从RF信号获取相位差数据，N大于4 该系统包括用于处理相位差数据并根据相位差数据确定移动装置的位置的处理器。
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6.发明授权公开(公告)号：US07796471B2
公开(公告)日：2010-09-14
申请号：US12365981
申请日：2009-02-05
IPC分类号： G01S3/808
CPC分类号： G01S5/22
摘要： A method for determining position of a mobile electronic device includes emitting an acoustic pulse from the position of the mobile electronic device. The acoustic pulse is detected at a known position at three spaced apart locations along each of at least two lines extending in different directions. The range and phase difference of the acoustic pulse between each of the detecting locations is determined. A relative position of the device with respect to the known position is obtained from the range and phase differences.
摘要翻译： 一种用于确定移动电子设备的位置的方法包括从移动电子设备的位置发射声学脉冲。 在沿着沿不同方向延伸的至少两条线中的每一条的三个间隔开的位置的已知位置处检测声脉冲。 确定每个检测位置之间的声脉冲的范围和相位差。 从该范围和相位差获得该装置相对于该已知位置的相对位置。
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7.发明授权Method and system for determining position of a wireless electronic device within a volume 有权用于确定无线电子设备在卷内的位置的方法和系统公开(公告)号：US08014791B2
公开(公告)日：2011-09-06
申请号：US12252379
申请日：2008-10-16
IPC分类号： H04W24/00
摘要： 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.
摘要翻译： 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。
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