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1. 发明授权

US07502279B2 Target direction indication and acoustic pulse analysis 失效
标题翻译：目标方向指示和声脉冲分析
公开(公告)号：US07502279B2
公开(公告)日：2009-03-10
申请号：US11351995
申请日：2006-02-10
申请人： Alan Wignall , John David Martin
发明人： Alan Wignall , John David Martin
IPC分类号： F41G3/00
CPC分类号： G01S3/8083 , F41G3/147 , Y10S367/906
摘要： A method of providing an indication of the direction of a target such as a sniper. A rifle mounted sensor array detects an acoustic pulse originating from the target. The signal is processed to estimate the direction of the target, and an indication is provided when the weapon is aligned with the estimated direction. The direction of arrival of an acoustic pulse is estimated by spectrally decomposing each signal from the sensor so as to generate one or more spectral components for each signal, and processing the spectral components to estimate the direction of arrival.
摘要翻译：提供诸如狙击手的目标的方向的指示的方法。步枪安装的传感器阵列检测来自目标的声脉冲。处理信号以估计目标的方向，并且当武器与估计的方向对准时提供指示。通过频谱分解来自传感器的每个信号来估计声学脉冲的到达方向，以便为每个信号产生一个或多个频谱分量，以及处理频谱分量以估计到达方向。

2. 发明授权

US07900571B2 Buoy 有权
标题翻译：浮标
公开(公告)号：US07900571B2
公开(公告)日：2011-03-08
申请号：US12090837
申请日：2006-10-18
申请人： Barry N. Jaber , Alan Wignall , John D. Martin
发明人： Barry N. Jaber , Alan Wignall , John D. Martin
IPC分类号： B63G8/14
CPC分类号： B63B22/003 , B63B22/18
摘要： A buoy is provided with first and second fixed hydrodynamic surfaces (15,16). When the buoy is towed through water by a tether (17), the first hydrodynamic surface (15) generates a downward force that reduces with increased speed through the water. The second hydrodynamic surface (16) generates an upward force that increases with increased speed through the water so that the buoy dives up to an upper critical speed through the water speed and rises beyond said upper critical speed through the water. The downward force of the first hydrodynamic surface (15) overcomes the buoyancy of the buoy at a lower critical speed through the water above, which the buoy dives. The hydrodynamic surface (15) comprises first fins (15) mounted on an outer casing (1) of the buoy and are spaced angularity and extend parallel to the center axis of the buoy which is substantially aligned with the direction of towing. The second hydrodynamic surface (16) comprises second fins (16) mounted on the outer casing arranged upstream of the first fins (15) in the direction of towing. The second hydrodynamic surface (16) is set at an angle of incidence such that it creates a stalled flow condition at said upper critical speed through the water.
摘要翻译：浮标设置有第一和第二固定流体动力表面（15,16）。当浮标通过绳索（17）拖过水时，第一流体动力表面（15）产生向下的力，其通过水的速度增加而减小。第二流体动力表面（16）产生向上的力，其随着通过水的速度增加而增加，使得浮标通过水速度达到上临界速度并且通过水升高超过所述上临界速度。第一流体动力表面（15）的向下的力通过浮标潜水的上面的水，以较低的临界速度克服浮标的浮力。流体动力学表面（15）包括安装在浮标的外壳（1）上的第一散热片（15），并且与浮子的中心轴线平行地间隔开并且与拖曳方向基本对齐。第二流体动力学表面（16）包括安装在外壳上的第二翅片（16），其沿着牵引方向布置在第一翅片（15）的上游。第二流体动力表面（16）被设置成入射角，使得其在所述上临界速度下通过水产生停滞的流动状态。

3. 发明申请

US20090149092A1 BUOY 有权
标题翻译：浮标
公开(公告)号：US20090149092A1
公开(公告)日：2009-06-11
申请号：US12090837
申请日：2006-10-18
申请人： Barry N. Jaber , Alan Wignall , John D. Martin
发明人： Barry N. Jaber , Alan Wignall , John D. Martin
IPC分类号： B63B22/18
CPC分类号： B63B22/003 , B63B22/18
摘要： A buoy is provided with first and second fixed hydrodynamic surfaces (15,16). When the buoy is towed through water by a tether (17), the first hydrodynamic surface (15) generates a downward force that reduces with increased speed through the water. The second hydrodynamic surface (16) generates an upward force that increases with increased speed through the water so that the buoy dives up to an upper critical speed through the water speed and rises beyond said upper critical speed through the water. The downward force of the first hydrodynamic surface (15) overcomes the buoyancy of the buoy at a lower critical speed through the water above, which the buoy dives. The hydrodynamic surface (15) comprises first fins (15) mounted on an outer casing (1) of the buoy and are spaced angularity and extend parallel to the centre axis of the buoy which is substantially aligned with the direction of towing. The second hydrodynamic surface (16) comprises second fins (16) mounted on the outer casing arranged upstream of the first fins (15) in the direction of towing. The second hydrodynamic surface (16) is set at an angle of incidence such that it creates a stalled flow condition at said upper critical speed through the water.
摘要翻译：浮标设置有第一和第二固定流体动力表面（15,16）。当浮标通过绳索（17）拖过水时，第一流体动力表面（15）产生向下的力，其通过水的速度增加而减小。第二流体动力表面（16）产生向上的力，其随着通过水的速度增加而增加，使得浮标通过水速度达到上临界速度并且通过水升高超过所述上临界速度。第一流体动力表面（15）的向下的力通过浮标潜水的上面的水，以较低的临界速度克服浮标的浮力。流体动力学表面（15）包括安装在浮标的外壳（1）上的第一散热片（15），并且与浮子的中心轴线平行地间隔开并且与拖曳方向基本对齐。第二流体动力学表面（16）包括安装在外壳上的第二翅片（16），其沿着牵引方向布置在第一翅片（15）的上游。第二流体动力表面（16）被设置成入射角，使得其在所述上临界速度下通过水产生停滞的流动状态。

4. 发明申请

US20060291331A1 Target direction indication and acoustic pulse analysis 失效
公开(公告)号：US20060291331A1
公开(公告)日：2006-12-28
申请号：US11351995
申请日：2006-02-10
申请人： Alan Wignall , John Martin
发明人： Alan Wignall , John Martin
IPC分类号： G01S3/80
CPC分类号： G01S3/8083 , F41G3/147 , Y10S367/906
摘要： A method of providing an indication of the direction of a target such as a sniper. A rifle mounted sensor array detects an acoustic pulse originating from the target. The signal is processed to estimate the direction of the target, and an indication is provided when the weapon is aligned with the estimated direction. The direction of arrival of an acoustic pulse is estimated by spectrally decomposing each signal from the sensor so as to generate one or more spectral components for each signal, and processing the spectral components to estimate the direction of arrival.

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