期刊文献+

基于小波变换的ADC电流测试方法 被引量:2

Novel wavelet transform based current test method for ADC
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摘要 本文提出了一种基于小波分析的混合信号电流测试方法,该方法通过小波变换对电路的动态电流信号Idd进行分解来诊断电路是否存在故障。对示例ADC电路的仿真结果表明,该方法不仅能够有效检测出电路中的各种缺陷,而且比积分法和傅里叶分析方法对故障有更高的灵敏度。 In this paper, a novel wavelet analysis based current test method for mixed signal is presented, with which dynamic current signal (Idd) is decomposed to diagnose the fault of the circuit. The simulation result for an example ADC circuit shows that the proposed method not only can effectively detect all of the faults, but also has higher sensitivity than integral and FFT methods.
出处 《仪器仪表学报》 EI CAS CSCD 北大核心 2006年第12期1609-1613,共5页 Chinese Journal of Scientific Instrument
基金 国家自然科学基金(50677014) 高校博士点基金(20060532016) 湖南省自然科学基金(06JJ2024) 教育部新世纪优秀人才支持计划(NCET-04-0767)资助项目
关键词 混合信号 电流测试 动态电流 小波变换 mixed signal current test dynamic current wavelet transform
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参考文献13

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共引文献10

同被引文献22

  • 1刘金清.光谱测量中单色仪的微机自动拖动[J].仪器仪表学报,2005,26(z1):272-274. 被引量:2
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  • 3周小勇,叶银忠.小波分析在故障诊断中的应用[J].控制工程,2006,13(1):70-73. 被引量:49
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