| 变带宽技术在变速采样系统中的应用 |
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| 引用本文： | 邓艾东,袁建虎,洪津.变带宽技术在变速采样系统中的应用[J].传感器与微系统,2001,20(12):35-36,39. |
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| 作者姓名： | 邓艾东 袁建虎 洪津 |
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| 作者单位： | 1. 东南大学国家火电机组振动工程研究中心,
2. 解放军理工大学工程兵工程学院机械系, |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 阐述了基于锁相环的跟踪采集技术在变速采样系统中的应用 ,通过设置双时间常数来动态地改变锁相环的带宽 ,使之能有效地快速、精确跟踪输入信号频率的变化 ,满足了变速采样的需要 ,并且给出了详细的实现方法和理论依据
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| 关 键 词： | 锁相环 变带宽 变速采集 |
Application of bandwidth-adjusted technique in the shift-sampling system |
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| DENG Ai dong ,YUAN Jian hu ,HONG Jin.Application of bandwidth-adjusted technique in the shift-sampling system[J].Transducer and Microsystem Technology,2001,20(12):35-36,39. |
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| Authors: | DENG Ai dong YUAN Jian hu HONG Jin |
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| Affiliation: | DENG Ai dong 1,YUAN Jian hu 2,HONG Jin 2 |
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| Abstract: | The technique of trace sampling based on phase lock loop in the shift sampling system is presented.It speeds up the tracing signal frequency rapidly and accurately by designing double time constant to adjust bandwidth of the phase lock loop. This technique meets the needs for shift sampling system.Accordingly,the method and theory are presented. |
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| Keywords: | phase lock loop(PLL) bandwidth adjusted shift sampling |
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