Development and Evaluation of a Realtime Time-Domain EMI Measurement System for Automotive Testing
Development and Evaluation of a Realtime Time-Domain EMI Measurement System for Automotive Testing
复制标题
用于汽车测试的实时时域 EMI 测量系统的开发和评估
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
P. Russer
中科院分区：
文献类型：
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作者：
S. Braun;M. Aidam;P. Russer
时域EMI测量系统可以将测量时间减少几个数量级。本文介绍了一种用于汽车检测的实时时域电磁干扰测量系统。汽车测试需要较小的频段和较小的中频带宽。在频域中，这样的测量需要非常长的时间，有时它们超过了部件的寿命。提出了一种新颖的实时时域EMI测量系统，可将汽车测量时间缩短8000倍。通过信号处理单元中的数字振荡器，减小了尖桩栅栏效应。在30 MHz-1 GHz的频率范围内对部件和整车进行了测量。该实时时域EMI测量系统已经在汽车测试环境中进行了评估和评估。
Time-domain EMI measurement systems allow to reduce the measurement time by several orders of magnitude. In this paper a realtime time-domain emi measurement system for automotive testing is presented. Automotive tests require smaller frequency bins and a smaller IF-Bandwidth. In frequency domain such measurements take extremely long, sometimes they exceed the life-time of a component. A novel real-time time-domain emi measurement system is presented that reduces the time for automotive measurements by a factor of 8000. By a numerical oscillator in the signal processing unit the picket fence effect is reduced. Measurements have been performed on components and on a complete vehicle in the frequency range 30 MHz - 1 GHz. The real-time time-domain emi measurement system has been evaluated and assessed in a automotive test environment.