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    大乐透走势图彩票研究院:航天器包裝箱振動測試系統

    2008-02-25

    免费下载大乐透走势图 www.nfiii.icu  

    摘  要:充分利用虛擬儀器在振動測試領域的優勢,結合三維加速度傳感器研發出航天器包裝箱振動測試系統,縮短了開發周期,節約了測試成本,實現了長時間實時數據采集并存儲,即時顯示加速度波形,并根據信號處理的基本原理,對數據進行頻譜分析、關鍵點高亮顯示、極值檢索、有效值分析、減振效果分析;對采集后的數據加速數據流回放,生成極值、有效值、減振效果報表、打印等功能。

     

    關鍵詞:振動測試;加速度傳感器;數據采集;虛擬儀器;LabWindows/CVI

    中圖分類號:TP274.2, TH825        文獻標識碼:A       

     文章編號:1672-4984(2008)01-0028-03

    Spacecraft packing chest vibration measurement system

    TAN De-kun, MENG Li-fan, WANG Le-fu, QUAN Xiao-peng

    (Key Laboratory,Instruments Science and Dynamic Measurement Ministry of Education,

    North University of China,Taiyuan 030051,China)

     

    Abstract: Virtual instrument technique was used to design spacecraft packing chest vibration measurement system. Using sufficient advantages of virtual instrument in vibration measurement,development cycle was reduced and testing cost was saved. Realized real-time data acquisition and storage for a long time,and displayed accelerated wave instant. Spectral analysis,key-points high-light display,extremum search,virtual value analysis and damping effect analysis of accelerated data were all based on basic theory of signal processing. At last, reviewed collection data,and generated report forms of extremum,virtual value, damping effect and printed them.

     

    Key words: Vibration measurement;Acceleration sensor;Data acquisition;Virtual instrument;LabWindows/CVI

    Editor:liyan




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