1943年三月以前，所有北大西洋的盟军护航舰队均被德国潜艇定位，一半被攻击，五分之一被击沉。
In March 1943 before the Allied convoy were all of the North Atlantic German submarine position, half of the attack, one-fifth was sunk.
军用方面，匹配场定位、低频远程声纳作用距离预报、潜艇沉底隐蔽地点选择等方面都有广泛的应用。
In military engineering applications, identification of sea bottom types are vary important for match field location, low-frequency sonar distance forecast, and choosing the location for submarine.
潜艇拖曳综合浮标是通信浮标综合化发展趋势的产物，它除了具有较高性能的通信能力外，还具有卫星定位和情报侦察的能力。
Submarine towed integration buoy is the production of communication buoy development in synthesis. It holds the functions of satellite location and information reconnaissance besides communication.
随着潜艇消噪声技术的不断提高，迫切需要研制灵敏度极高的探测器对其进行远距离定位，光纤水听器的问世正是适应了这一要求。
With the improvement of the technology for submarine to eliminate noise, it is urgently to find out a kind of sensor with high sensitivity to orient submarine from long distance.
简要介绍了潜艇GPS水下定位系统的水声定位子系统的组成与工作原理。
GPS underwater localization system of submarine can determine the absolute position of a submarine precisely when it sails underwater.
现代声呐系统普遍采用水听器基阵和先进的信号处理手段来提高对潜艇的检测和定位能力，而基阵的波束形成则在其中起到了核心作用。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role.
现代声呐系统普遍采用水听器基阵和先进的信号处理手段来提高对潜艇的检测和定位能力，而基阵的波束形成则在其中起到了核心作用。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role.
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