SYSTEMS AND ASSOCIATED METHODS FOR PRODUCING A 3D SONAR IMAGE
    61.
    发明申请
    SYSTEMS AND ASSOCIATED METHODS FOR PRODUCING A 3D SONAR IMAGE 有权
    用于生产3D声像的系统和相关方法

    公开(公告)号:US20160259053A1

    公开(公告)日:2016-09-08

    申请号:US14683573

    申请日:2015-04-10

    申请人: NAVICO HOLDING AS

    摘要: Provided are a sonar system and transducer assembly for producing a 3D image of an underwater environment. The sonar system may include a housing mountable to a watercraft having a transmit transducer that may transmit sonar pulses into the water. The system may include at least one sidescan transducer array in the housing that receives first and second sonar returns with first and second transducer elements and converts the first and second returns into first and second sonar return data. A sonar signal processor may then generate a 3D mesh data using the first and second sonar return data and at least a predetermined distance between the transducer elements. An associated method of using the sonar system is also provided.

    摘要翻译: 提供了用于产生水下环境的3D图像的声纳系统和换能器组件。 声纳系统可以包括可安装到具有可将声纳脉冲发射到水中的发射换能器的船舶的壳体。 该系统可以包括壳体中的至少一个侧面扫描转换器阵列,其接收具有第一和第二换能器元件的第一和第二声纳返回,并将第一和第二回波转换成第一和第二声纳返回数据。 然后,声纳信号处理器可以使用第一和第二声纳返回数据和换能器元件之间的至少预定距离来生成3D网格数据。 还提供了使用声纳系统的相关方法。

    System and method for a handheld current profiler
    62.
    发明授权
    System and method for a handheld current profiler 有权
    手持电流分析仪的系统和方法

    公开(公告)号:US09404744B2

    公开(公告)日:2016-08-02

    申请号:US14609173

    申请日:2015-01-29

    发明人: Hening Huang

    摘要: A handheld current profiler (HCP) system and method for wading discharge measurement is disclosed. The disclosed HCP has dual capabilities. It serves as a single point current meter that can measure velocity in as little as 3 cm of water. It becomes a current profiler with an additional near surface velocity measurement cell in water about 15 cm or deeper. The HCP has a surface tracking acoustic beam that measures the water level. Thus, in most cases, no manual measurements for water depth and transducer depth are required because both depths may be measured acoustically. In addition, the disclosed HCP can have a very small transducer with a form factor which can lead to minimum flow disturbance.

    摘要翻译: 公开了一种用于涉水放电测量的手持电流分析器(HCP)系统和方法。 所公开的HCP具有双重功能。 它用作单点电流表,可以在3厘米的水中测量速度。 它成为当前的轮廓仪,在水中约有15厘米或更深的附近的近表面速度测量单元。 HCP具有测量水位的表面跟踪声束。 因此,在大多数情况下,不需要手动测量水深和传感器深度,因为两个深度可以在声学上进行测量。 此外,所公开的HCP可以具有非常小的换能器,其具有可导致最小流动干扰的形状因子。

    Method and system for automatically determining water-level offset, and adjusting a nautical chart for such offset
    64.
    发明授权
    Method and system for automatically determining water-level offset, and adjusting a nautical chart for such offset 有权
    自动确定水位偏移的方法和系统,并调整这种偏移的航海图

    公开(公告)号:US09329267B2

    公开(公告)日:2016-05-03

    申请号:US13804004

    申请日:2013-03-14

    申请人: Navico Holding AS

    IPC分类号: G01S15/89 G01S15/02 G01C13/00

    摘要: Methods and sonar system for displaying a nautical chart and for adjusting depth indicators on the chart based on a calculated offset between the actual water level and the standard water level on which the chart is based. The offset is based on sonar soundings compared to depths indicated by the chart. The sonar system's processor automatically adjusts the chart's depth indicators to reflect the offset.

    摘要翻译: 方法和声纳系统,用于显示航海图,并根据图表所依据的实际水位与标准水位之间的计算偏差来调整图表上的深度指标。 与图表所示的深度相比,偏移量基于声纳探测。 声纳系统的处理器自动调整图表的深度指示器以反映偏移量。

    Ultrasound fusion harmonic imaging systems and methods
    66.
    发明授权
    Ultrasound fusion harmonic imaging systems and methods 有权
    超声融合谐波成像系统及方法

    公开(公告)号:US09274215B2

    公开(公告)日:2016-03-01

    申请号:US13790322

    申请日:2013-03-08

    摘要: An ultrasound imaging system includes: a harmonic filter coupled to an ultrasound transmitter to reduce transmitted harmonic components; a fundamental filter coupled with an ultrasound receiver to reduce received fundamental components; and a fusion processor configured to generate multiple frames of fusion images for two subsequent frames of ultrasound transmissions to improve frame rate. The ultrasound receiver may optionally perform signal alignment and matching to improve image quality. To improve image quality, the ultrasound system may optionally use multiple amplitude-modulated transmit pulses with different delays, or multiple transmit pulses with different amplitudes to extract harmonic signals.

    摘要翻译: 超声成像系统包括:耦合到超声发射器的谐波滤波器,以减少传输的谐波分量; 与超声波接收器耦合的基本滤波器以减少接收的基本分量; 以及融合处理器,其被配置为为两个后续的超声波传输帧生成多帧融合图像,以提高帧速率。 超声波接收器可以可选地执行信号对准和匹配以提高图像质量。 为了提高图像质量,超声系统可以可选地使用具有不同延迟的多个幅度调制的发射脉冲或具有不同振幅的多个发射脉冲来提取谐波信号。

    EFFICIENT, HIGH-POWER MECHANICAL TRANSDUCERS FOR ACOUSTIC WAVES IN DENSE MEDIA
    70.
    发明申请
    EFFICIENT, HIGH-POWER MECHANICAL TRANSDUCERS FOR ACOUSTIC WAVES IN DENSE MEDIA 审中-公开
    高效率的大功率机械传感器,用于渗透介质中的声波

    公开(公告)号:US20150293213A1

    公开(公告)日:2015-10-15

    申请号:US14250223

    申请日:2014-04-10

    摘要: Mechanical transducers efficiently produce and couple high-power acoustic pulses into liquid and solid media. In a transmitter, mechanical excitation of a thin transmitting plate is provided by an actuator or a motor that causes a mass to strike or a drive rod to push the thin plate. If struck, as the thin plate rings down, it delivers much of its kinetic energy to acoustic radiation in the dense medium. Different mechanisms may be used to excite the plate, and different mechanisms may be used to couple the plate excitations into dense media. Conditions are found for efficient transduction of mechanical energy by a thin plate into acoustic radiation in solid and liquid media. A receiver comprises a plate having matching resonances to the transmitting plate. Discrete narrowband frequencies of acoustic signals are used to detect phase changes in waves reflected from a moving object. By interfering successive return pulses, small changes in phase and amplitude within the reflected beam lead to large changes in interfering voltage waveforms.

    摘要翻译: 机械传感器有效地将高功率声脉冲产生并耦合到液体和固体介质中。 在变送器中,薄的传输板的机械激励由致动器或电动机提供,致动器或电动机引起质量撞击或驱动杆推动薄板。 如果被击打,当薄板环绕时,它将大部分动能传递给密集介质中的声辐射。 可以使用不同的机构激发板,并且可以使用不同的机制将板激发耦合到致密介质中。 发现通过薄板将机械能有效转换成固体和液体介质中的声辐射的条件。 接收机包括具有与发送板的匹配谐振的板。 声信号的离散窄带频率用于检测从移动物体反射的波中的相位变化。 通过干扰连续的返回脉冲,反射光束内的相位和幅度的小的变化导致干扰电压波形的大的变化。