公开(公告)号：US09488745B2

公开(公告)日：2016-11-08

申请号：US13950015

申请日：2013-07-24

Applicant: SERCEL

Inventor： Pierre Baliguet ,  Christophe L'Her

IPC: G01V1/38 ,  G01S15/50

CPC classification number: G01V1/38 ,  G01S15/50 ,  G01V1/3817

Abstract: A method and apparatus are provided for estimating the water speed of a first acoustic node D belonging to a network of acoustic nodes, at least some of the acoustic nodes being arranged along towed acoustic linear antennas (S). The method includes steps of: a) defining a N-dimensional base, the center of which is the first acoustic node and comprising a single axis, when N=1, or N non-collinear axes, when N=2 or N=3, each axis being associated with a base vector extending from the first acoustic node to another acoustic node; and b) estimating an amplitude of the water speed, as a function of: for each given other acoustic node defining the base vector: an acoustic propagation duration of an acoustic signal transmitted from the first acoustic node to the given other acoustic node, and an acoustic propagation duration of an acoustic signal transmitted from the given other acoustic nodes to the first acoustic node; and a value c of the underwater acoustic sound velocity.

Abstract translation: 提供了一种用于估计属于声音节点网络的第一声音节点D的水速的方法和装置，至少一些声学节点沿着拖曳的声学线性天线（S）布置。 该方法包括以下步骤：a）当N = 2或N = 3时，定义N维基座，其中心是N = 1或N个非共线轴，其中心是第一声节点，并且包括单个轴 每个轴与从第一声音节点延伸到另一个声音节点的基本矢量相关联; 以及b）估计水速度的幅度，作为以下的函数：对于定义所述基矢量的每个给定的其他声学节点：从所述第一声学节点发送到所述给定的其他声学节点的声学信号的声学传播持续时间，以及 从所述给定的其他声音节点发送到所述第一声音节点的声学信号的声学传播持续时间; 和水下声速的值c。

公开(公告)号：US10101482B2

公开(公告)日：2018-10-16

申请号：US15065023

申请日：2016-03-09

Applicant: SERCEL

Inventor： Thierry Roger ,  Gaetan Mellier ,  Christophe L'Her

IPC: G01V1/38

Abstract: A method and apparatus are provided for steering a first acoustic linear antenna belonging to a plurality of acoustic linear antennas towed by a vessel. A plurality of navigation control devices are arranged along the plurality of linear antennas in order to act at least laterally on the position of the linear antennas. At least one of the navigation control devices arranged along the first acoustic linear antenna performs steps of: obtaining a local measurement of a feather angle or of a parameter linked to the feather angle, the local measurement being associated with the at least one of the navigation control devices arranged along the first acoustic linear antenna; computing a lateral force, as a function of the obtained local measurement; and applying the computed lateral force.

公开(公告)号：US09475553B2

公开(公告)日：2016-10-25

申请号：US14508559

申请日：2014-10-07

Applicant: SERCEL

Inventor： Thierry Roger ,  Christophe L'Her ,  Jean-Jacques Vignaux ,  Christophe Coutineau ,  Dominique Barbot ,  Stephane Rousseau

IPC: B63G8/14 ,  B63G8/24 ,  B63B21/66 ,  G01V1/38

CPC classification number: B63B21/66 ,  G01V1/3826

Abstract: A wing releasing system is provided for releasing at least one wing of a set of wing or wings of a navigation control device. The navigation control device is adapted for controlling depth and/or lateral position of a towed acoustic linear antenna and includes a body to which is attached the set of wing or wings. The wing releasing system includes: a releasing decision circuit, for generating a release request signal when detecting that a foreign object is caught by at least one wing of the set of wing or wings; and an actuator comprised in the navigation control device, for releasing from the body the at least one wing of the set of wing or wings, when receiving the release request signal.

Abstract translation: 提供翼释放系统用于释放导航控制装置的一组翼或翼的至少一个翼。 导航控制装置适于控制拖曳的声线性天线的深度和/或横向位置，并且包括附接有一组翼或翼的主体。 翼释放系统包括：释放判定电路，用于当检测到外来物体被所述一组翼或翼的至少一个翼片捕获时，产生释放请求信号; 以及包括在所述导航控制装置中的致动器，用于在接收到所述释放请求信号时从所述主体释放所述一组翼或翼的所述至少一个翼。

公开(公告)号：US09411063B2

公开(公告)日：2016-08-09

申请号：US13720413

申请日：2012-12-19

Applicant: SERCEL

Inventor： Christophe L'Her ,  Simon Vallez

IPC: G01V1/38 ,  G01S11/14

CPC classification number: G01V1/3835 ,  G01S11/14 ,  G01V1/38

Abstract: A method and apparatus are provided for managing the acoustic performances of a network of acoustic nodes arranged along towed acoustic linear antennas. The network of acoustic nodes is adapted to determine inter-node distances allowing to locate the acoustic linear antennas. The method includes: obtaining a determined layout of the network of acoustic nodes; obtaining at least one marine environment property relating to an area of performance of a survey with the network of acoustic nodes; and quantifying the acoustic performances of the network of acoustic nodes, using a sound propagation model, the at least one marine environment property and the determined layout.

Abstract translation: 提供了一种用于管理沿着拖曳的声线性天线布置的声音节点的网络的声学性能的方法和装置。 声音节点的网络适于确定允许定位声学线性天线的节点间距离。 该方法包括：获得声节点网络的确定布局; 通过声学节点网络获得与调查表现相关的至少一个海洋环境属性; 以及使用声音传播模型，所述至少一个海洋环境属性和确定的布局来量化声音节点的网络的声学性能。

公开(公告)号：US20150098303A1

公开(公告)日：2015-04-09

申请号：US14508608

申请日：2014-10-07

Applicant: SERCEL

Inventor： Thierry Roger ,  Christophe L'Her ,  Jean-Jacques Vignaux ,  Christophe Coutineau ,  Dominique Barbot ,  Stephane Rousseau

IPC: G01V1/38

CPC classification number: G01V1/3826

Abstract: An operation managing system is provided for managing the operation of a navigation control device. The navigation control device is adapted for controlling the depth and/or the lateral position of a towed acoustic linear antenna and including a body to which is attached a set of wings. The operation managing system operates the navigation control device according to a degraded operating mode, by acting on at least one non-released and motorized wing when detecting that at least one wing of the set of wings has been released or must be released.

Abstract translation: 提供了一种用于管理导航控制装置的操作的操作管理系统。 导航控制装置适于控制拖曳的声线性天线的深度和/或横向位置，并且包括附接有一组翼的主体。 操作管理系统在检测到所述一组翼的至少一个翼已被释放或必须被释放时，通过作用于至少一个未释放和机动翼来根据劣化的操作模式操作导航控制装置。

公开(公告)号：US10094940B2

公开(公告)日：2018-10-09

申请号：US15483463

申请日：2017-04-10

Applicant: SERCEL

Inventor： Christophe L'Her ,  Simon Vallez ,  Veronique L'Her Marrec

IPC: G01V1/00

Abstract: A method for localizing a marine animal in an underwater environment implemented by a passive acoustic monitoring (PAM) system. The passive acoustic monitoring system includes network of acoustic sensors adapted to carry out measurements of acoustic signals. The method includes: obtaining, from the network of acoustic sensors, measured data of an acoustic signal emitted by a marine animal; defining a space of dimensional representation of the underwater environment discretized in a plurality of predefined cells, for each cell of a predefined set, obtaining an error defined as a value of a cost function for the cell, the cost function giving a deviation between: at least some of the measured data; and corresponding theoretical data obtained by assuming the marine animal is located in the cell, the errors obtained for the predefined set of cells enabling to obtain at least one piece of information about localization of the marine animal.

公开(公告)号：US20170212255A1

公开(公告)日：2017-07-27

申请号：US15483463

申请日：2017-04-10

Applicant: SERCEL

Inventor： Christophe L'Her ,  Simon Vallez

IPC: G01V1/00

CPC classification number: G01V1/001 ,  G01V2210/1293 ,  G01V2210/1423

Abstract: A method for localizing a marine animal in an underwater environment implemented by a passive acoustic monitoring (PAM) system. The passive acoustic monitoring system includes network of acoustic sensors adapted to carry out measurements of acoustic signals. The method includes: obtaining, from the network of acoustic sensors, measured data of an acoustic signal emitted by a marine animal; defining a space of dimensional representation of the underwater environment discretized in a plurality of predefined cells, for each cell of a predefined set, obtaining an error defined as a value of a cost function for the cell, the cost function giving a deviation between: at least some of the measured data; and corresponding theoretical data obtained by assuming the marine animal is located in the cell, the errors obtained for the predefined set of cells enabling to obtain at least one piece of information about localization of the marine animal.

公开(公告)号：US20150096484A1

公开(公告)日：2015-04-09

申请号：US14508559

申请日：2014-10-07

Applicant: SERCEL

Inventor： Thierry Roger ,  Christophe L'Her ,  Jean-Jacques Vignaux ,  Christophe Coutineau ,  Dominique Barbot ,  Stephane Rousseau

IPC: B63B21/66 ,  G01V1/38

CPC classification number: B63B21/66 ,  G01V1/3826

Abstract: A wing releasing system is provided for releasing at least one wing of a set of wing or wings of a navigation control device. The navigation control device is adapted for controlling depth and/or lateral position of a towed acoustic linear antenna and includes a body to which is attached the set of wing or wings. The wing releasing system includes: a releasing decision circuit, for generating a release request signal when detecting that a foreign object is caught by at least one wing of the set of wing or wings; and an actuator comprised in the navigation control device, for releasing from the body the at least one wing of the set of wing or wings, when receiving the release request signal.

Abstract translation: 提供翼释放系统用于释放导航控制装置的一组翼或翼的至少一个翼。 导航控制装置适于控制拖曳的声线性天线的深度和/或横向位置，并且包括附接有一组翼或翼的主体。 翼释放系统包括：释放判定电路，用于当检测到外来物体被所述一组翼或翼的至少一个翼片捕获时，产生释放请求信号; 以及包括在所述导航控制装置中的致动器，用于在接收到所述释放请求信号时从所述主体释放所述一组翼或翼的所述至少一个翼。

公开(公告)号：US09322946B2

公开(公告)日：2016-04-26

申请号：US13950057

申请日：2013-07-24

Applicant: SERCEL

Inventor： Thierry Roger ,  Gaetan Mellier ,  Christophe L'Her

IPC: G01V1/38

CPC classification number: G01V1/3826

Abstract: A method and apparatus are provided for steering a first acoustic linear antenna belonging to a plurality of acoustic linear antennas towed by a vessel. A plurality of navigation control devices are arranged along the plurality of linear antennas in order to act at least laterally on the position of the linear antennas. At least one of the navigation control devices arranged along the first acoustic linear antenna performs steps of: obtaining a local measurement of a feather angle or of a parameter linked to the feather angle, the local measurement being associated with the at least one of the navigation control devices arranged along the first acoustic linear antenna; computing a lateral force, as a function of the obtained local measurement; and applying the computed lateral force.

Abstract translation: 提供了一种方法和装置，用于转向属于由船舶拖曳的多个声线性天线的第一声线性天线。 沿着多个线性天线布置多个导航控制装置，以便至少在横向上作用于线性天线的位置。 沿着第一声线性天线布置的导航控制装置中的至少一个执行以下步骤：获得羽毛角度或与羽角相关联的参数的局部测量，所述局部测量与所述导航中的至少一个相关联 沿着第一声线性天线布置的控制装置; 计算横向力，作为获得的局部测量的函数; 并应用计算出的横向力。

公开(公告)号：US09297919B2

公开(公告)日：2016-03-29

申请号：US13720398

申请日：2012-12-19

Applicant: SERCEL

Inventor： Christophe L'Her ,  Simon Vallez

IPC: G01V1/38 ,  G01S1/72 ,  G01S11/14

CPC classification number: G01V1/38 ,  G01S1/72 ,  G01S11/14 ,  G01V1/3808 ,  G01V1/3835 ,  G01V1/3861

Abstract: A method and apparatus are provided for estimating an inter-node distance between a sender node and a receiver node belonging to a network comprising a plurality of nodes arranged along towed acoustic linear antennas. An acoustic signal is transmitted from the sender node to the receiver node through an underwater acoustic channel. The method includes estimating the inter-node distance as a function of an estimate of a sound speed profile of the underwater acoustic channel, the sound speed profile depending on depth.

Abstract translation: 提供了一种方法和装置，用于估计属于包括沿着拖曳的声线性天线布置的多个节点的网络的发送器节点和接收机节点之间的节点间距离。 声信号通过水下声道从发送器节点传送到接收器节点。 该方法包括将节点间距离估计为水下声道的声速分布的估计的函数，声速分布取决于深度。