| 为检测微弱周期信号对二次采样随机共振相关参数的研究 |
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| 引用本文： | 郑堂,李世平,程双江,邬肖敏. 为检测微弱周期信号对二次采样随机共振相关参数的研究[J]. 计量学报, 2015, 36(3): 313-317. DOI: 10.3969/j.issn.1000-1158.2015.03.19 |
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| 作者姓名： | 郑堂 李世平 程双江 邬肖敏 |
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| 作者单位： | 第二炮兵工程大学, 陕西 西安 710025 |
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| 摘 要： | 分析了二次采样随机共振中涉及到的重要参数采样频率和二次采样频率,结合理论推导与仿真,得出了这两个参数对系统输出效果的具体影响,同时分析了造成这些影响的原因,提出了这两个参数选取的方法,为更好地应用二次采样随机共振检测微弱周期信号提供了依据。
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| 关 键 词： | 计量学 微弱信号检测 二次采样随机共振 采样频率 二次采样频率 |
The Research of Related Parameters in Twice Sampling Stochastic Resonance Used in Week Signal Detection |
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| ZHENG Tang,LI Shi-ping,CHENG Shuang-jiang,WU Xiao-min. The Research of Related Parameters in Twice Sampling Stochastic Resonance Used in Week Signal Detection[J]. Acta Metrologica Sinica, 2015, 36(3): 313-317. DOI: 10.3969/j.issn.1000-1158.2015.03.19 |
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| Authors: | ZHENG Tang LI Shi-ping CHENG Shuang-jiang WU Xiao-min |
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| Affiliation: | The Second Artillery Engineering University, Xi’an, Shaanxi 710025, China |
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| Abstract: | Two important parameters, the sample frequency and twice sample frequency, is analyzed. The effects of these two parameters on the output of system is concluded based on the theoretical analysis and simulation. At the same time, the cause of these effects are analyzed and then put forward a method of how to select these two parameters. It provides a basis for a better use of twice sampling stochastic resonance in weak signal periodic detection. |
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| Keywords: | Metrology Weak signal detection Twice sampling stochastic resonance Sample frequency Twice sample frequency |
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