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  • 基于DSP技術的一體化框架波分析儀研究
    《中國測試》雜志

    李  寧1, 徐冠基1, 張志強1, 王  騰2, 秦  毅2
    (1. 南車青島四方機車車輛股份有限公司高速列車系統集成國家工程實驗室,山東 青島 266111)
    (2. 重慶大學機械傳動國家重點實驗室,重慶400044)
    摘  要:針對目前小波分析儀功能簡單、集成性和便攜性差以及處理復雜信號速度慢等缺點,設計基于DSP技術一體化框架波分析儀。該分析儀是在國內外最新的小波分析理論研究成果的基礎上,結合虛擬儀器技術、一體化儀器技術和數字信號處理(DSP)技術設計開發的,其既能實現傳統的小波分析,還能實現新型非平穩信號分析方法——框架波變換。該一體化框架波分析儀不僅功能強大,而且通過引入DSP技術大大提高了信號處理的速度,適合于非線性非平穩信號的動態實時分析。
    關鍵詞:小波框架;DSP技術;一體化儀器技術;虛擬儀器
    中圖分類號:TH132.41;TP302.7;TN911.6;TP391.97    文獻標志碼:A    文章編號:1674-5124(2013)03-0057-05
    Study of integrated frameset analyzer based on DSP
    LI Ning1, XU Guan-ji1, ZHANG Zhi-qiang1, WANG Teng2, QIN Yi2
    (1. National Engineering Laboratory for System Integration of High-speed Train (South),
    CSR Qingdao Sifang CO.,Ltd,Qingdao 266111,China;
    2. State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,China)
    Abstract: Since the commonly used wavelet analyzers are not satisfactory for their simple functions, bad integration and portability with a low speed of dealing with complex signal, an integrated frameset analyzer was designed based on DSP technology. Based on the newest theoretical achievements on wavelet all over the world, this integrated frameset analyzer was designed and developed with virtual instrument technology, integrated instrument technology and DSP technology. This instrument can realize the functions of the traditional wavelet analysis and the new approach on analyzing nonlinear and non-stationary signals which is called frameset transform. This analyzer has powerful abilities for signal analysis and can improve the speed of dealing with the signal, therefore it is very suitable for analyzing nonlinear and non-stationary signals in real-time.
    Key words: frameset; DSP technology; integrated instrument technology; virtual instrument
     
     
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