查询词典 acoustic

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。

HLA ; torpedo acoustic homing system ; simulation platform ; FOM/SOM

高层体系结构；鱼雷声自导系统；仿真平台；联邦对象模型/仿真对象模型

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

This paper analyzes the process of depth charge intercepting torpedo, establishes a model of ship evading acoustic homing torpedo, and obtains the evasive turning angle as evading torpedo in different torpedo alert areas by using Monte-Carlo method.

本文分析了水面舰艇使用悬浮式深弹拦截鱼雷过程，建立了舰艇使用悬浮式深弹时规避声自导鱼雷数学模型，采用蒙特卡洛法通过计算机仿真，得出了在不同的鱼雷报警区域内舰艇规避鱼雷时的规避转向角。

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

According to the operational application characters of rocket assisted torpedo, as well as the definition, applicable occasion, and implementing means of ship-to-air missile, ship-to-ship missile, and acoustic homing torpedo salvo, this paper analyses and achieves the definition and conception of rocket assisted torpedo salvo in order to improve the actual training and operation, and enhance the anti-submarine capability of surface formation.

针对火箭助飞鱼雷这一反潜利器，本文根据其作战使用特点，参考舰空、舰舰导弹及管装声自导鱼雷齐射的定义、使用时机和组织实施方法，分析了与实际训练和作战相契合的火箭助飞鱼雷齐射相应的定义和概念，对火箭助飞鱼雷的作战使用及发挥我方水面舰艇编队反潜作战能力具有重要意义。

These results are helpful in designing and making surface acoustic wave devices.

所得结果可能对表面声波器件的设计和制作有一定的帮助作用。

In Chapter 2, basic theories of acoustic wave and electromagnetic wave are reviewed.

本文从理论分析和实验研究两个方面，讨论了电磁散射特性的声波模拟测量方法。

The one primary goal of this paper is to provide a new method for simulation of acoustic and elastic wave propagation.

本论文分为两个层次，其一的目标是提出一个新的方法，用来研究并模拟声波和弹性波的传播。

The emphasis of this paper is research on the detection of laser-generated surface acoustic wave.

本文着重在实验上研究激光产生声表面波的检测。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。