一种用于时域测量系统的新型自动数字准峰值检测器

2004 International Symposium on Electromagnetic Compatibility (IEEE Cat. No.04CH37559) Pub Date : 2004-11-01 DOI:10.1109/ISEMC.2004.1349948

S. Braun, F. Krug, P. Russer

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引用次数: 60

摘要

提出了一种先进的超高速宽带时域电磁干扰(TDEMI)测量系统。测量在30-1000 MHz范围内进行。使用数字信号处理进行频谱估计和检测，与传统的EMI接收器相比，测量时间减少了10倍。描述了一种用于TDEMI测量和数字信号处理的新记录程序，用于适当的准峰值检测。在记录过程中选择不同的振幅分辨率，将动态范围提高约50 dB。测量结果与传统电磁干扰接收机的测量结果进行了比较。

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A novel automatic digital quasi-peak detector for a time domain measurement system

An advanced ultra-fast broadband time domain EMI (TDEMI) measurement system is presented. Measurements were performed in the 30-1000 MHz range. Using digital signal processing for spectral estimation and detection, the measurement time is reduced by a factor of 10 in comparison to a conventional EMI receiver. A novel recording routine for TDEMI measurement and digital signal processing for proper quasi-peak detection is described. Different amplitude resolutions are selected during the recording to enhance the dynamic range by about 50 dB. Measurement results are compared with the results obtained with a conventional EMI receiver.

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来源期刊

2004 International Symposium on Electromagnetic Compatibility (IEEE Cat. No.04CH37559)

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