• 论文某军用水声测量装置研制背景深入研究开发了其中的回转控制系统

    On the background of the develop of the acoustic survey device, this paper aims to study and develop its orientation and depth control subsystem.

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  • 脉冲技术是一种很常用水声测量技术,由于脉冲声存在着瞬态过程,严重影响了低频下的使用

    Sound pulse technique is often used in the underwater acoustic measurement, but it has transients, so it can not be used in low frequencies.

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  • 基于时延测量水声跟踪定位系统信号传播时延大于脉冲重复周期时,就会出现距离模糊

    For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.

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  • 基于双水测量法,研制水声测量设备用于测量水下声源产生的声场中任意点的声强量值任意面上声强量值分布。

    Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.

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  • 介绍一种用于水声材料低频性能测量测试系统

    A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.

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  • 水声实验室进行原位测量实验,得到了声速和声衰减数据。

    The velocity and attenuation coefficient were measured in the under water acoustic laboratory.

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  • 实时数字信号处理声纳系统中的重要组成部分通过水声信号的分析处理完成对目标搜寻测量

    Real time digital signal process is an important part of sonar system. This part searches and measures targets by processing sound signal.

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  • 利用虚拟仪器方便实现水声信号采集、处理,以及水下目标测量时,传感器结构算法确定提供参考。

    It is convenient to use the virtual instrument for data acquisition and analysis of the underwater acoustic signal, and help us to determine the structure and the...

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  • 文中详细介绍了基于声学调制解调器声速剖面遥测系统的主要结构功能,揭示了水声通信技术深海非铠装缆测量中的应用优势

    The article introduces the configuration and function of SVP remote measurement system which base on the acoustic modem in detail. Finally open out the advantage

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  • 利用水声试验场潜艇水下辐射噪声进行测量和分析,先进国家改善潜艇安静重要方法

    Testing of underwater radiation noise of submarines using acoustic testing field is one of the important measures for improving the submarine's silence in some developed countries.

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  • 利用水声试验场潜艇水下辐射噪声进行测量和分析,先进国家改善潜艇安静重要方法

    Testing of underwater radiation noise of submarines using acoustic testing field is one of the important measures for improving the submarine's silence in some developed countries.

    youdao

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