A new method for high sensitivity noise measurements

被引：0
作者：
Ciofi, C [1 ]
Crupi, F [1 ]
Pace, C [1 ]
机构：
[1] INFM, I-98166 Messina, Italy
来源：
IMTC/2001: PROCEEDINGS OF THE 18TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-3: REDISCOVERING MEASUREMENT IN THE AGE OF INFORMATICS | 2001年
关键词：
noise measurement; spectral analysis; correlation; time domain analysis;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A new method for high sensitivity noise measurement, based on the elaboration in the time domain of the signals coming from two identical amplifiers, is presented in this paper. The most important advantage of this method, which in most cases allows to obtain an equivalent background noise well below (30 dB) that of the amplifiers which are used in the measurement chain, lies in its simplicity and in the fact that it does not depend on the method used for the estimation of the noise spectra. Moreover, although it is best employed using a two channel spectrum analyzer, it can be applied also in the case in which only a single measurement channel is available.
引用
收藏
页码：1703 / 1708
页数：4
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