在矢量阵被动声呐系统中，需要对多目标进行自动跟踪。
In the vector sensor array based passive sonar system, it is necessary to track multiple targets automatically.
本文介绍了CS - 1型侧扫声呐系统的组成和工作原理以及它的特点。
This paper presents Model CS-1 side scan sonar system components, principle and its features.
传统被动声呐系统多半采用中小规模集成电路，体积较大，硬件处理能力低。
The traditional SONARs are consisted of middle or small scale Integrated circuit. Their hardware is big and low calculation ability.
舰艇声呐系统集成是当前舰船电子研究领域的新热点，同时它也是一项复杂的系统工程。
Systematic integration of shipboard sonar nowadays is hot in the field of ship electronic research, however, it is also a complex project.
水下声学模型现今通常用于预报海上试验计划和设计最优声呐系统的声学环境以及预测海上声呐性能。
Underwater acoustic models are now routinely used to forecast acoustic conditions for planning at-sea experiments, designing optimized sonar systems and predicting sonar performance at sea.
由于拖船噪声是一种具有多途角扩展的宽带相干强干扰，拖船噪声抑制是拖线阵声呐系统中的关键技术之一。
Towing ship noise is a kind of wideband interference with strong multi-path and Angle dispersion for a towed line array sonar system.
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.
提高声呐系统中信号处理机的处理能力也迫在眉捷，本文对应用于水声信号处理的声呐原理及算法进行了初步的研究，重点在于工程的实现。
In this paper, the Sonar theory and algorithms which are applied in underwater acoustic signal processing are preliminarily studied and the emphasis is placed on the realization of the system.
通过实时提取信号的幅度及形状的综合特征计算出信号的时延。该方法具有较强的抗干扰能力，算法快速、准确，适合于多波束声呐系统的回波信号实时分析处理。
The algorithm is fast and accurate with a strong anti-jamming capability, which can be used for echo signal analysis and processing in real-time multi-beam sonar systems.
目标噪声特征提取和目标分类器设计是被动声呐目标识别系统的关键技术。
Feature extraction of targets radiated noise and design of targets classifier are key technique of passive sonar target recognition system.
首先以无源声呐对目标的方位角、俯仰角和频率测量为依据，建立动态系统模型。
The model of motive system is made in the light of measurements of target bearings, elevation and frequency by passive sonar.
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。
In the thesis, a series of real-time system software of sonar pulse detection is developed on an improved hardware system.
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。
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.
介绍了一种由DSP和IBMPC计算机构成的二维图像声呐的数据采集、处理与显示系统。
This paper presents a system consisting of DSP and IBMPC for a 2 D image sonar data acquisition, processing and display.
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。
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.
声呐浮标测试系统能够模拟水下声信号，用以检测声呐浮标的工作状态和性能。
The sonar buoy testing system can emulate signal of underwater sound and detect the operating status and performance of sonar buoy.
讨论了一个三维成像声呐的系统结构、成像原理及其软件、硬件设计与实现中遇到的有关技术问题。
The system structure, imaging principle, software and hardware of a 3D imaging sonar and the issues of its implementation are discussed.
采用经验公式计算各子系统模态密度，最后利用统计能量法来预报潜艇首部声呐平台区自噪声，得到了令人满意的结果。
The subsystems' mode density is calculated by empirical formulas. Finally, SEA is adopted to predict self-noise in sonar platform area and satisfying results are obtained.
本文讨论的方法可用于数字式声呐的设计，大大简化系统和提高声呐性能。
The model presented in this paper can be used in digital sonar design.
提出了一种基于软决策融合的水声信号检测融合算法，并结合窄带声呐信号检测系统，给出了融合系统检测性能的计算机仿真结果。
A soft decision fusion algorithm is proposed for underwater signal detection, and its performance for narrowband underwater signal detection is tested through computer simulation.
提出了一种基于软决策融合的水声信号检测融合算法，并结合窄带声呐信号检测系统，给出了融合系统检测性能的计算机仿真结果。
A soft decision fusion algorithm is proposed for underwater signal detection, and its performance for narrowband underwater signal detection is tested through computer simulation.
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