鱼雷

Acoustic homing torpedo ; reverberation ; space time adaptive processing ; target detection

声自导鱼雷；混响；空时自适应处理（STAP ；目标检测

The presented concept of "beam-distance acoustic image" and "beam-depth acoustic image" provide torpedo near field control and guide characteristics.

提出目标近场波束-深度和波束-距离二维声图象的概念，为鱼雷末制导阶段提供了目标近场回声二维特征。

An microsoft foundation class based simulation system of operational capability for acoustic homing torpedo is designed and implemented.According to the design specification of a general software, the whole design is completed,including system requirements analysis,project design,detail design and system tests.

介绍了基于微软基础类的声自导鱼雷作战能力仿真系统的设计及实现过程，根据通用软件设计流程规范，通过系统需求分析、方案设计、详细设计和系统测试等步骤实现了该仿真系统。

Water condition ; acoustic homing torpedo ; range

水文条件；声自导鱼雷；作用距离

Torpedo ; underwater acoustic imaging ; complex array ; azimuth resolution

鱼雷； 水下声成像；复合阵；方位分辨率

Double targets ; acoustic homing torpedo ; salvo ; feasibility

双目标；声自导鱼雷；连续射击；可行性

Therefore,the application of space-time adaptive optimization method to active acoustic homing torpedo is studied, and the conventional method is improved by restraining the side lobe reverbereration and main lobe reverberation with self Doppler null method.

在此基础上研究了空时最优处理方法在主动声自导鱼雷中的应用，通过压低旁瓣减少旁瓣区混响和自身多普勒零陷抑制主瓣混响等措施对传统方法进行了改进。

This method is based on the Snell law of acoustic propagation in water. Different velocity gradients among linear layers in water are utilized to draw the sound ray chart, and a mathematical model of the geometric operational range is built. Furthermore, the geometric homing range is predicted with sound ray density, a prediction system of geometric operational range for acoustic homing torpedo is designed and the function of the system is realized through a system software. The sea trial demonstrates the prediction validity of the system.

该方法基于声波在水中传播的Snell定律，利用水中各线性分层间不同的声速梯度，绘制声线图，建立了几何自导作用距离的数学模型，并通过声线密度对几何作用距离进行预报，设计了声自导鱼雷几何作用距离预报系统，并通过系统软件实现了其功能，经测试，该系统在海上试验中取得了良好效果。

Torpedo ; acoustic image ; scale identification ; target highlights ; direction of arrival estimation ; decoherent multiple signal classification method

鱼雷； 声成像；尺度识别；目标亮点； DOA估计；解相干MUSIC算法

Wake acoustic homing torpedo ; trajectory optimization ; endurance loss ; hit probability ; counter-countermeasure

尾流自导鱼雷；弹道优化；航程损失；命中概率；反对抗

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。