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首页> 外文期刊>St. Petersburg Polytechnic University Journal: Physics and Mathematics >The calculation of a tolerable noise level for the receiving sectionin the underwater acoustic unit containing an antenna with fibre-optic hydrophones
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The calculation of a tolerable noise level for the receiving sectionin the underwater acoustic unit containing an antenna with fibre-optic hydrophones

机译：计算包含具有光纤流水声的天线的水下声学单元中接收部分的可容许噪声水平

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摘要

The dynamic range of the section for signals pre-processing in the underwater acoustic unit is conditioned by hydrophones sensitivity of the receiving antenna and by the internal noise level of operative assemblies composing the section. When we use a receiving antenna with interferometric fiber-optic hydrophones in that complement, optical and digital components are parts of the section. Our paper focuses on the calculation technique to get tolerable internal noise level reduced to the hydrophone input value. The technique is concerned with the underwater-acoustic unit containing receiving antenna with interferometric fiber-optic hydrophones.
机译：用于信号在水下声学单元中的信号预处理的部分的动态范围由接收天线的Hydophers灵敏度和由构成该部分的操作组件的内噪声水平调节。当我们使用具有干涉式光纤室的接收天线，在该补充中，光学和数字部件是该部分的一部分。我们的论文侧重于计算技术可容忍的内部噪声水平降低到流水声输入值。该技术涉及包含具有干涉纤维光学器皿的接收天线的水下声学单元。

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