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  • 會議論文

水中感音器方向性自動化校準之研究

Automatic Computer-Controlled Calibration System for Hydrophone Directivity

摘要


本研究目的在建立一套水中感音器(Transducer)方向性(directivity)靈敏度之自動化電腦控制校準系統及技術。使用有校準的感音器,才能有效地設計及操作聲納系統,量取正確的水中聲音訊號。為使感音器陣列(array)中的每個感音器,達到簡單、快速且精準的校準,自動化電腦控制校準系統爲其重要的發展方向。 本實驗過程係以轉動待校準的方向性感音器,配合自製可程式控制步進馬達(Stepping Motor),發展自動化電腦控制軟體,以達自動化校準方向性的目的。本研究所發展的自動化控制校準系統能快速且精確地校準水中感音器的方向性,進而有助於水下聲學的研究與發展。

並列摘要


The purpose of the paper is to establish an Automatic Computer-Controlled calibration system and technique for transducer directivity calibration. The design and operation of effective sonar system to measure the underwater signal requires the use of calibrated transducers. Since many measurements have to be made as rapidly as possible. When calibrating the transducer array of sonar, an automatic computer calibration system is an important researching work. The process of this experiment is to use stepping-motor method for directivity calibration and develop computer-controlled software. The automatic computer controlled system established in this experiment can be use to calibrate the transducer rapidly and correctly. It is especially useful for the underwater acoustic reasearchs.

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