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    • 41. 发明申请
    • DEVICES AND METHODS FOR LOCATING AND VISUALIZING UNDERWATER OBJECTS
    • 用于定位和可视化水下物体的装置和方法
    • WO2016205938A1
    • 2016-12-29
    • PCT/CA2016/050729
    • 2016-06-22
    • APPETITE LAB INC.
    • SMITH, MichaelYEUM, Jung Wook
    • G01S15/04G01S15/89G01S15/96G01S7/56
    • G01S15/04G01S7/52003G01S7/521G01S7/6218G01S7/6263G01S7/6272G01S7/6281G01S15/025G01S15/87G01S15/89G01S15/8902G01S15/96
    • Sonar devices for detecting underwater objects are provided whereby a set of angled ultrasound transducers are employed to sense ultrasound signals from a plurality of different spatial regions. The angled ultrasound transducers may include a first pair of side-viewing ultrasound transducers and a second pair of ultrasound transducers configured for interrogating forward and reverse directions. The ultrasound signals from the set of angled ultrasound transducers may be processed to identify the presence of underwater objects in each spatial region, and the resulting identified underwater objects may be displayed, on a per-region basis, on a user interface. The ultrasound signals may additionally or alternatively be processed to generate a topographical model of the bed surface, and to generate a topographical surface image based on the three-dimensional topographical model. The topographical surface image may be displayed as a fly-over animation.
    • 提供用于检测水下物体的声纳装置,由此采用一组成角度的超声换能器来感测来自多个不同空间区域的超声信号。 成角度的超声换能器可以包括第一对侧视超声波换能器和配置成询问前进和后退方向的第二对超声换能器。 可以处理来自该组角度超声换能器的超声信号以识别每个空间区域中的水下物体的存在,并且可以在每个区域的基础上在用户界面上显示所得到的识别的水下物体。 超声信号可以附加地或替代地被处理以产生床表面的地形模型,并且基于三维地形模型生成地形表面图像。 地形表面图像可以显示为飞越动画。
    • 42. 发明申请
    • SONAR DATA ENHANCEMENT SYSTEMS AND METHODS
    • 声纳数据增强系统和方法
    • WO2016109592A1
    • 2016-07-07
    • PCT/US2015/067947
    • 2015-12-29
    • FLIR SYSTEMS, INC.
    • STOKES, PaulWEBB, Philip
    • G01S15/96G01S7/52G01S7/62G01S15/89G10K11/00G01S7/527G01S15/02G01S7/00
    • G01S7/52003G01S7/003G01S7/5273G01S15/025G01S15/89G01S15/96
    • Techniques are disclosed for systems and methods to provide sonar systems for mobile structures. A sonar system includes a sonar transducer assembly including a sonar transducer, a sonar receiver configured to receive acoustic returns from the sonar transducer and convert the acoustic returns into arrays of time differentiated sonar data samples, and a logic device adapted to communicate with the sonar receiver. The logic device is configured to receive the arrays of the time differentiated sonar data samples from the sonar receiver and process the received arrays to enhance the time differentiated sonar data samples substantially without enhancing sonar artifacts in the time differentiated sonar data samples Processed sonar data and/or resulting imagery may be displayed to a user and/or used to adjust a steering actuator, a propulsion system thrust, and/or other operational systems of the sonar transducer assembly and/or a mobile structure.
    • 公开了用于为移动结构提供声纳系统的系统和方法的技术。 声纳系统包括声纳换能器组件,其包括声纳换能器,声纳接收器,其被配置为从声纳换能器接收声音返回并将声学返回转换成时间分辨率声纳数据采样的阵列,以及适于与声纳接收器通信的逻辑设备 。 逻辑设备被配置为从声纳接收器接收时间差分声纳数据样本的阵列,并处理接收到的阵列,以在时间差分声纳数据样本中基本上不增强声纳伪像,从而增强时间差分声纳数据样本处理的声纳数据和/ 或者可以向用户显示所得到的图像和/或用于调整转向致动器,推进系统推力和/或声纳换能器组件和/或移动结构的其它操作系统。
    • 45. 发明申请
    • MULTI FREQUENCY 2D PHASED ARRAY TRANSDUCER
    • 多频二维相控阵传感器
    • WO2012061179A2
    • 2012-05-10
    • PCT/US2011/057929
    • 2011-10-26
    • POWE TECHNOLOGIES, INC.ROWE, Francis, DaleROMERO, John
    • ROWE, Francis, DaleROMERO, John
    • H04B1/02
    • G01S15/89B06B1/0622B06B1/0625G01S7/52003G01S15/58G01S15/60H04R1/40H04R2201/401H04R2201/403
    • Improved two-dimensional planar array transducer and beamformer apparatus and methods. In one embodiment, the two-dimensional planar array transducer is capable of simultaneously or sequentially forming multiple acoustic beams in two axes and at two or more widely separated acoustic frequencies from a single flat planar array transducer. The transducer planar array consists of two or more electrically and acoustically independent two dimensional planar transducer array structures operating at different frequencies that are physically integrated onto a single multi frequency configuration. In an exemplary embodiment, a second higher frequency transducer array is positioned within the aperture area of a lower frequency planar array transducer. Methods of using the aforementioned two- dimensional planar array transducer and beamformer are also disclosed.
    • 改进的二维平面阵列换能器和波束形成器装置和方法。 在一个实施例中,二维平面阵列换能器能够同时或顺序地形成两个轴上的多个声束并且与单个平坦平面阵列换能器处于两个或更多个广泛分离的声频。 换能器平面阵列由两个或更多个电气和声学独立的二维平面换能器阵列结构组成,这些换能器阵列结构以不同的频率工作,这些换能器阵列结构物理集成到单个多频配置。 在示例性实施例中,第二较高频率换能器阵列位于较低频率平面阵列换能器的开口区域内。 还公开了使用上述二维平面阵列换能器和波束形成器的方法。
    • 46. 发明申请
    • METHODS AND APPARATUS FOR BEAMFORMING APPLICATIONS
    • 射束应用的方法和装置
    • WO2006088800A3
    • 2009-04-30
    • PCT/US2006005049
    • 2006-02-13
    • BARTZ JAMES C
    • BARTZ JAMES C
    • A61B8/00G01S3/80G01S15/00
    • G01S7/524G01S3/8083G01S7/52003G01S15/42G01S15/89G10K11/346
    • A beamforming system includes an array of transducers that detects echo signals in a scanned region. The array of transducers produces respective electronic signals based on receipt of echo signals. The beamforming system further includes an array of multipliers (e.g., mixers) to receive the respective electronic signals (e.g., echo signals converted to an electronic form of echo signals by the transducers) from the array of transducers. A generator device of the beamforming system generates multiple oscillator signals (e.g., square wave, sine waves, pulses, etc.) based on a relatively low frequency reference signal to simulate frequencies not capable of being precisely derived from the reference signal and continuously steer a directional beam through a scanned region.
    • 波束形成系统包括检测扫描区域中的回波信号的换能器阵列。 换能器阵列基于回波信号的接收产生相应的电子信号。 波束形成系统还包括乘法器阵列(例如,混频器),以从换能器阵列接收相应的电子信号(例如,由换能器转换成电子形式的回波信号的回波信号)。 波束形成系统的发生器装置基于相对低频参考信号产生多个振荡器信号(例如,方波,正弦波,脉冲等),以模拟不能从参考信号精确导出的频率,并连续引导 定向光束通过扫描区域。