The thermocline is important to the sonar detection.
温跃层对声纳探测有着重要的影响。
A signal acquisition system for laser-based sonar detection system is constructed based on ARM embedded processor and real-time operating system.
文中还给出了采用ARM嵌入式处理器结合嵌入式实时操作系统构建的激光探测信号采集系统。
Compared with the traditional technology of sonar detection, it is characteristic of hoghly tactical flexibility, rapid sur- vey rate and particularly useful for coastal waters.
它与传统的声纳探测技术相比，具有战术机动性强、探测速度快、特别适用于近海水域探测等优点。
Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.
本文结合工程项目的需要，介绍了在设计被动声纳显示平台中所使用的信号检测技术和显示处理技术。
Signal recovery is a very important task for detection of radar sonar target and communication signal processing.
信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。
In object detection of high frequency sonar image, it needs to get the parameters of foreground objects after image segmentation.
在高频声纳图像目标检测中，对图像分割后，需要对前景目标参数进行提取。
A crucial issue in a passive sonar system is detection of the spectral lines.
在被动声纳系统中，线谱检测是一个至关重要的问题。
Low probability of interception (LPI) sonar selects appropriate transmitting signals and reduces the probability of being intercepted by hostile scouting sonar while it maintains detection capability.
低截获声纳通过选择合适的发射信号，在保持探测能力的同时，降低被敌方侦察声纳截获的概率。
To improve the detection performance of passive sonar, present dissertation addresses the blind separation of underwater acoustic signals.
基于提高被动声纳的检测能力，对水声信号的盲源分离技术进行了探索性研究。
Therefore, supergain hydrophone array, particularly the small-sized circular array, is very good for improving the detection performance of low frequency passive sonar.
由于超增益阵具有尺度小、空间增益高的特点，对于改进低频被动声纳的检测性能具有重要的意义。
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） 。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, and beam forming plays an important role.
现代声纳系统普遍采用水听器基阵和一定的信号处理来提高对目标的检测和定位能力，而基阵的波束形成则在其中起着核心作用。
A signal detection method based on the time-windowing was proposed for improving the signal detection performance of flank sonar mainly affected by the vibration noise.
针对振动噪声影响下的舷侧阵声纳的信号检测问题，提出了一种基于时域加窗的信号检测方法。
Detecting sonar pulse transmitted by an active sonar, it is called "sonar pulse detection".
声呐脉冲侦察是利用目标主动声呐发射的脉冲信号来探测目标的技术。
Then the simulation of underwater sonar imaging detection is realized. This study provides an economic, practical and precise research platform for underwater sonar imaging detection.
从而实现了水下成像声呐探测系统的模拟，为水下声呐成像探测技术的研究提供了一个经济实用、高准确度的研究平台。
With analyzing the detecting procedure of Low-frequency active sonar and emulating about it, the Optimum Detection frequency Band of Low-frequency active sonar were researched.
本文通过对低频主动声纳的主动声纳方程的分析与声学探测过程的仿真，初步研究了低频主动声纳在不同距离上的最优探测频率问题。
A bottom detection method used in the multibeam bathymeter sonar is introduced. The method is based on the separate aperture method, which is associated with phase information.
介绍了一种建立在与相位信息相联系的分离孔径方法的基础上的、用于多波束测深声纳的海底探测方法。
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。
In the thesis, a series of real-time system software of sonar pulse detection is developed on an improved hardware system.
本论文在改进的声呐脉冲侦察模块硬件系统的基础上，开发了一套实时系统软件。
The detection of the quadratic phase coupling has been widely applied in various field such as EEG data analysis, oceanography, sonar and medical biology.
二次相位耦合的识别在EEG数据分析，海洋地理、声纳和生物医学等领域有着广泛的应用。
The research work of the dissertation includes the following two parts: researching the passive ranging technology and developing system hardware of the sonar pulse detection module.
本论文的研究工作分为两个部分：被动测距技术研究和声呐脉冲侦察模块系统硬件的研制。
This paper analysised the possibility of using the adaptive line spectrum enhancer with LMS to improve the detection range of active sonar according to its characteristics.
本文针对主动声纳的特点，分析了利用LMS算法的自适应线谱增强器提高主动声纳作用距离的可行性。
An experiment on the module is carried out with the target simulator ATANC, and the experiment results show that the performance of sonar pulse detection module is good enough.
所研制的声呐脉冲侦察模块用目标模拟器（ATANC）进行了陆上联调实验，实验结果验证了声呐脉冲侦察模块的优良性能。
Results show that the method has a perfect performance for regions of interest (target) detection of side-scan sonar image with strong texture.
实验结果证明，该方法对于纹理较强的侧扫声纳图像中感兴趣区域（目标）的检测有较好的效果。
Results show that the method has a perfect performance for regions of interest (target) detection of side-scan sonar image with strong texture.
实验结果证明，该方法对于纹理较强的侧扫声纳图像中感兴趣区域（目标）的检测有较好的效果。
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