• Underwater cameras give a live feed from the source, a mile below the surface: oil gushing up from the seabed in a sinuous, ceaseless heave.

    水下照相机位于英里的海底实时提供着信息资料:原油正从一个蜿蜒不断隆起涌出

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  • In offshore prospecting a ship tows a sound source and underwater phones. Sound waves are generated by a pneumatic device that works like a balloon burst.

    近岸石油勘查中,勘探牵引声源以及水下器。一个气动装置发出声波,就象气球爆炸那样。

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  • The signal source model of underwater explosion is obtained through theoretic analysis. According to the basic knowledge of underwater explosion and acous tics.

    本文运用理论分析根据水下爆炸水声学基本知识,分析了水下爆炸基本特性,得出水下爆炸声源的基本模型

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  • When we use it to test the underwater target strength, one problem is how to discriminate the direct sound of the source with the echo reflected from the target, finding the target character quickly.

    利用进行水下目标强度测试时,一个很实际问题就是怎样区分声源直达目标反射回声快速找出目标特性

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  • An investigation was made on the main noise source-the gearbox of the underwater vehicle to reduce the noise and improve its capability of goal-detecting under the water.

    为了降低水下航行装置辐射噪声增强探测目标的能力,对该装置重要噪声源——传动齿轮箱进行了减振降噪的试验研究。

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  • This mode attempts to adjust the camera's white balance to compensate for the loss of color underwater without the need for an artificial light source.

    这个模式是通过调整平衡弥补水下色彩丢失而不需要人工光源

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  • Underwater plasma sound source, namely underwater sparker, is a significant application of pulsed discharge in water, which has been employed for underwater acoustics and sea oil prospecting.

    水下等离子体声源水中脉冲放电技术水下声学地震勘探技术方面一个重要应用,又称为电火花震源。

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  • It can be used as a high-performance underwater acoustic target simulator, or as a low frequency broadband high power underwater acoustic source.

    可用水下目标特征逼真模拟器(声靶),可作其它低频宽带大功率声源使用。

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  • As the further research on the underwater acoustic field, the matched field passive source location is proposed.

    随着水下声场进一步深入,出现了以声场分析为基础的匹配被动定位技术。

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  • Abstract: to solve the passive detection problems of underwater remote targets, we propose a method for detecting source Numbers with a uniform circular acoustic vector sensor array.

    摘要为了解决水下远程目标被动探测问题提出一种矢量信源检测方法

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  • In an underwater multi-source detecting and tracking system, the incorrect estimation of source number will do bad effect on DOA estimation and the whole system.

    水下多源探测跟踪系统中,信号源数目估计准确波达方向估计以及整个系统性能产生严重影响

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  • Target echo signals are the main information source in underwater acoustic detection system.

    目标回波信号水声探测系统主要信息来源

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  • A self-adapting Kalman Filter based on the principle of stochastic approximatation is introduced in the paper. This filter provides an ideal means for the tracking of underwater noise source.

    本文根据随机逼近原理提出一种自适应卡尔曼滤波器,适用于被动声纳水下噪声源跟踪

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  • As a major interference source to the pressure fuze of the underwater ordnance, the research of chaos character to the wave hydrodynamic pressure is important.

    海浪水压作为水中兵器水压引信最严重干扰源,对混沌特性进行研究具有极为重要意义。

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  • Firstly, the ray method and normal mode method are used to calculate the acoustic field in underwater with the source in the air.

    首先射线方法简正波方法空气中的声源水下产生的声场进行分析。

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  • The study on the characteristics of scattering from an underwater target is only the base that the active sonar works on but also the source which new ideas, new theories and new methods come from.

    水下目标散射特性研究主动声纳赖以工作基础也是主动探测产生思想、新原理、新方法的基础。

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  • General Lightings: New generation light source, street light, table light, spot light, display light, decorative light, underwater light, underground light, contour light.

    普通照明领域:一代普通照明光源,路灯、台灯、射灯珠宝装饰照明水底灯、地埋灯、建筑物轮廓灯

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  • To prove the system can be used in underwater acoustooptic communications, with this system, the acoustic frequency and intensity of underwater sound source are detected.

    为了证明系统能够应用水下声光通信进行了对水下声源发出声波频率强度探测实验。

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  • A new type of underwater welding system is studied, which includes an oscillating wire feed system and a welding power source with staircase external characteristic.

    研究了一种新型水下焊接系统。系统中弧焊电源输出阶梯型的外特性,送系统采用脉动送丝方式。

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  • In offshore prospecting a ship tows a sound source and underwater phones.

    近岸石油勘查中,勘探牵引一个声源以及水下捡波器。

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  • By the influence of river course, underwater distributary channel distributes alternating with interdistributary bay which forms the principal source-reservoir-seal assemblage mode.

    河道迁徙冲刷影响水下分流河道分流相间分布形成研究区主要生储组合形式

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  • By the influence of river course, underwater distributary channel distributes alternating with interdistributary bay which forms the principal source-reservoir-seal assemblage mode.

    河道迁徙冲刷影响水下分流河道分流相间分布形成研究区主要生储组合形式

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