The U. S. Navy plans to deploy a new submarine detection system, known as Low Frequency Active Sonar (LFA), throughout 80% of the world's oceans.
在世界的 80% 的大海各处，美国海军计划部署一个新的海中发现系统，即是低的频率活跃的声纳 （LFA） 。
Submarines are most vulnerable to detection when the submarine commander USES a periscope to assess the situation on the surface.
当潜艇指挥官使用潜望镜对海面态势进行评估的时候最容易被探测到也最容易被攻击。
This means of measurement will be widely used in the fields such as laser underwater imaging, underwater target detection and laser submarine communication.
该测量方法在激光水下成像、水下目标探测以及对潜激光通信都将具有重要的推广应用价值。
Along with the appearance of the low noise peaceful submarine, the traditional undersea detection methods face the new challenge.
随着低噪声安静型潜艇的出现，传统的水下目标探测手段面临着挑战。
In an active detection of optical submarine cable, the location on cable can be affected by the presence of other cable in the vicinity, resulting in detection error.
在海底光缆有源探测中，当被测海缆附近存在其他海缆时，会对探测定位产生干扰，从而造成探测误差。
Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.
针对海底管道泄漏监测问题，基于信号检测原理分析了受噪声干扰的流量差观测序列。
The basic principle and method of the active detection of route and fault of optical submarine cables are presented.
介绍了海底光缆路由和故障点有源探测的基本原理和方法。
A brief description of the basic conception and combat application for the airborne anti-submarine acoustic detection equipment are presented in this paper.
本文对航空反潜声探设备的基本概念和作战应用作了简要说明。
The 557-foot Eclipse reportedly comes with features including two helipads, a submarine, multiple hot tubs, a pool and a missile-detection system.
据报道，长557英尺的“日蚀号”配有两个直升机停机坪，一个小型潜水艇，一座多功能的桑拿浴室，一个游泳池和一个导弹防御系统。
The 557-foot Eclipse reportedly comes with features including two helipads, a submarine, multiple hot tubs, a pool and a missile-detection system.
据报道，长557英尺的“日蚀号”配有两个直升机停机坪，一个小型潜水艇，一座多功能的桑拿浴室，一个游泳池和一个导弹防御系统。
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