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    • 1. 发明授权
    • Acoustic distance measuring apparatus and method of use
    • 声距测量装置及其使用方法
    • US4590591A
    • 1986-05-20
    • US515831
    • 1983-07-21
    • Claude LeroyGuy Parent
    • Claude LeroyGuy Parent
    • G01S15/87G01S15/06
    • G01S15/876G01S15/874
    • Acoustic distance measuring apparatus for measuring the distance of a vessel (N) from a vertical line through a fixed point (P) on the bottom of a body of water, the apparatus comprising: an acoustic emitter unit (I) and at least three acoustic receiver units (H1, H2, H3) disposed on the bottom of the vessel, said receiver units being disposed at the vertices of a plane polygon; at least three acoustic emitter/receiver units (A, B, C) placed on the water bottom in the vicinity of said fixed point (P), said emitter/receiver units being disposed at the vertices of a polygon; and the improvement wherein the measuring apparatus further includes a relay acoustic emitter/receiver (R) submerged close to the vessel at a depth where vessel noise is highly attenuated, said relay receiing acoustic waves (a) from the vessel's emitter and responding by emitting acoustic wave (1, 2, 3) to the vessel's receiver units thereby enabling the distances between the relay and each of the vessel's receiver units to be calculated, said bottom emitter/receiver units also receiving acoustic waves (a) from the vessel's emitter and being arranged to respond in succession, i.e. after respective predetermined time delays, by emitting acoustic signals (f2) which are received by the relay and which are re-emitted (4) therefrom after amplification to be received by one of the vessel's receiver units (H1), thereby enabling the distances between the relay and each of the bottom emitter/receivers (RA, RB, RC) to be calculated on the basis of the different transit times for the signals from each bottom emitter/receiver, and further enabling the distance of the vessel from a vertical line through said fixed point to be calculated.
    • 用于测量船体(N)与水体底部的垂直线穿过固定点(P)的距离的声距测量装置,该装置包括:声发射器单元(I)和至少三声 设置在容器底部的接收器单元(H1,H2,H3),所述接收器单元设置在平面多边形的顶点处; 在所述固定点(P)附近放置在所述水底上的至少三个声发射器/接收器单元(A,B,C),所述发射器/接收器单元设置在多边形的顶点处; 以及改进,其中测量装置还包括在容器噪声高度衰减的深度处淹没在容器附近的中继声发射器/接收器(R),所述继电器从容器发射器接收声波(a)并通过发射声响 (1,2,3),从而能够计算继电器和每个容器的接收器单元之间的距离,所述底部发射器/接收器单元还从容器的发射器接收声波(a),并且 被布置为通过发射由继电器接收并在放大之后重新发射(4)的声信号(f2),以在相应的预定时间延迟之后响应,以由容器的接收器单元(H1 ),从而能够基于不同的传输时间来计算继电器和每个底部发射器/接收器(RA,RB,RC)之间的距离。 每个底部发射器/接收器,并且进一步使容器从垂直线穿过所述固定点的距离被计算。
    • 5. 发明授权
    • Sonar System
    • 声纳系统
    • US4493064A
    • 1985-01-08
    • US399577
    • 1982-07-19
    • Dominique OderoGuy Parent
    • Dominique OderoGuy Parent
    • G01S15/89G01S15/02G01S7/52
    • G01S15/8902
    • A sonar system comprises a vehicle (1) capable of moving over the bottom of an extent of water, with an emitter of acoustic pulses and a receiver of acoustic energy mounted on said vehicle. Signal processing and display circuitry (e.g. on board a surface vessel 2) are connected to receive signals representative of the acoustic waves emitted by the emitter, of the acoustic waves received by the receiver, and of parameters describing the motion of the vehicle. The signal processing and display circuitry generates an image of objects hidden in the water bottom on the basis of the signals. The emitter of acoustic pulses is provided with at least one parametric transducer having a spot radiation pattern capable of forming a plurality of channels that bathe spots of the water bottom in sound waves, and an electronic pointing system for scanning the channels.
    • 声纳系统包括能够在一定程度的水的底部移动的车辆(1),声发射体和安装在所述车辆上的声能接收器。 信号处理和显示电路(例如在表面容器2上)被连接以接收代表由发射器发射的声波的信号,由接收器接收的声波以及描述车辆的运动的参数。 信号处理和显示电路根据信号产生隐藏在水底的物体的图像。 声脉冲的发射器设置有至少一个参数换能器,其具有能够形成多个通道的点辐射图案,该多个通道在声波中洗澡水底部的点,以及用于扫描通道的电子指示系统。