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    • 2. 发明授权
    • Sonar for avoiding sub-surface underwater objects
    • 用于避免水下物体表面的声音
    • US5142505A
    • 1992-08-25
    • US521547
    • 1990-05-10
    • Francois Peynaud
    • Francois Peynaud
    • G01S15/42G01S15/93
    • G01S15/42G01S15/93Y10S367/909
    • Disclosed is a sonar for avoiding sub-surface underwater objects, for a surface vessel, having its directivity in elevation optimized to observe the surface and its surface reverberation reduced to the minimum. It consists in using an acoustic antenna having two columns of n transducers, the first column insonifying, at transmission, an elevation sector corresponding to the collision-risk zone and forming channels at reception, in the insonified elevation sector, the width of the channels being all the finer as the desired precision of the measurement of the position in elevation is high. The second column is necessary for the localization in relative bearing. The disclosure can be applied to the precise localization in elevation of objects located in the path of a vessel.
    • 公开了用于避开地下水下物体的声纳,用于表面容器,其具有优化的仰角方向性,以观察表面并将其表面混响降低到最小。 它包括使用具有两列n个换能器的声学天线,第一列在传输时,在对应于碰撞风险区域的高度扇区和在接收时形成通道,在增强的高程扇区中,使通道的宽度为 所有更精细的高程位置的测量精度都很高。 第二列是相对轴承定位所必需的。 本公开可以应用于位于船舶路径中的物体的高度的精确定位。
    • 5. 发明授权
    • Device for measuring in real time sea currents in deep water
    • 用于测量深水中实时海流的装置
    • US4308749A
    • 1982-01-05
    • US151588
    • 1980-05-20
    • Noel ClavellouxFrancois Peynaud
    • Noel ClavellouxFrancois Peynaud
    • G01C13/00G01S15/87G01D21/00
    • G01S15/87G01C13/006
    • A device for measuring in real time sea currents in deep water possibly exceeding 6000 m, as a function of the depth.A spherical shaped plunger having negative floatability is dropped from a boat and descends to the bottom of the sea, releases its ballast and rises again to the surface where it is recovered.Acoustic responding buoys positioned geographically as well as the contrivance receive pulses transmitted by the boat and respond to the boat. Furthermore, the contrivance also sends out a response intended for the buoys which reply to the boat; from the arrival times of these pulses, a computer on board the boat calculates the sequential positions of the contrivance in relation to the buoys as well as the velocities of the currents as a function of the depth.
    • 作为深度的函数的用于在深水中实时测量海水中可能超过6000米的装置。 具有负漂浮性的球形柱塞从船上下落并下降到海底,释放其压载物并再次升高到被回收的表面。 声学响应的浮标位于地理位置以及设计接收由船发送的脉冲并响应船。 此外,该设计还发出了针对船舶的浮标的回应; 从这些脉冲的到达时间,船上的计算机计算出与浮标相关的设计的顺序位置以及作为深度的函数的电流的速度。
    • 6. 发明授权
    • Doppler current meter for use at great depths
    • 多普勒电流表在很大的深度使用
    • US4270191A
    • 1981-05-26
    • US91753
    • 1979-11-06
    • Francois Peynaud
    • Francois Peynaud
    • G01S15/02G01S15/58G01S15/60
    • G01S15/588G01S15/02G01S15/60
    • The invention relates to a device for measuring aquatic currents, placed on a moving boat comprising a Doppler effect sonar. The device comprises two sets of transducers and transmitting and receiving in the directions D.sub.1, D.sub.2, D.sub.3 and D.sub.4 forming an angle .+-..alpha. with the vertical z. A transmission circuit supplies impulses simultaneously at two frequencies f.sub.1 and f.sub.2. The receiving circuit processes the signals of the volume reverberation echos affected by the Doppler effect, corresponding to the frequencies f.sub.1 and f.sub.2, and the sea bed echo affected by the Doppler effect at the frequency F=f.sub.1 -f.sub.2, this frequency being generated by the non-linearity of the medium. Finally are obtained the profile of the horizontal velocities of the currents function of the depth.
    • 本发明涉及一种用于测量水流的装置,放置在包括多普勒效应声纳的移动船上。 该装置包括两组换能器,并沿方向D1,D2,D3和D4与垂直z形成角度+/-α的方向传送和接收。 传输电路以两个频率f1和f2同时提供脉冲。 接收电路处理由多普勒效应影响的体积混响回波的信号,对应于频率f1和f2,以及在频率F = f1-f2受多普勒效应影响的海床回波,该频率由 介质的非线性。 最后获得了水深函数的水平速度曲线。
    • 7. 发明授权
    • Method for increasing the image rate of a sonar and sonar for the
implementation of this method
    • 用于增加声纳和声音的图像速率用于实施本方法的方法
    • US5163026A
    • 1992-11-10
    • US741516
    • 1991-08-09
    • Francois Peynaud
    • Francois Peynaud
    • G01S15/42G01S15/89
    • G01S15/89G01S15/42
    • The invention relates to a simple, cheap sonar system with high image rate, for the detection of objects and the imaging of sea bottoms. It consists in transmitting n uncorrelated successive codes in a sector of angular width exactly equal to n times the angular width of the reception sector .theta..sub.R, the reception antenna continuing to turn during this time whilst the first signal transmitted has not yet reached the maximum range dmax, and in receiving, in the sector of angular width .theta..sub.R, the echoes of these n codes, coming from n propagation regions which are adjacent in relation to the reception axis, and lying between 0 and dmax in space, each of them having a depth equal to dmax/n.
    • PCT No.PCT / FR90 / 00111 Sec。 371日期1991年8月9日 102(e)日期1991年8月9日PCT提交1990年2月16日PCT公布。 WO90 / 09600 PCT出版物 日期1990年8月23日本发明涉及一种具有高图像率的简单,便宜的声纳系统,用于物体的检测和海底成像。 它包括在正好等于接收扇区theta R的角度宽度的n倍的角宽度的扇​​区中发送n个不相关的连续码,接收天线在此期间继续转动,同时所发射的第一信号尚未达到最大范围 dmax,并且在角度宽度θR的扇区中接收来自相对于接收轴相邻的n个传播区域并且位于空间中的0和dmax之间的这些n个代码的回波,其中每个代码具有 深度等于dmax / n。