Virtual instrument based instrumentation for harmonic current emission measurement

被引：0
|
作者：
Mahesh, G [1 ]
Das, SK [1 ]
George, B [1 ]
Jayashankar, V [1 ]
Kumar, VJ [1 ]
机构：
[1] SAMEER, Ctr Electromagnet, Madras 113, Tamil Nadu, India
来源：
PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON ELECTROMAGNETIC INTERFERENCE AND COMPATIBILITY | 2003年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An instrumentation system for the measurement of harmonic emission to EEC 61000-3-2 is a subset of the general problem of harmonic measurements. A condition is derived for the SNR of a signal (with monotonically decaying harmonic amplitudes) to be zero due to quantisation errors. This is enlarged to cover Gaussian noise in the analog front end of the measuring system. A virtual instrument, which can considerably improve the measurement accuracy of a single stage analog front end and digitiser, is then suggested.
引用
收藏
页码：399 / 402
页数：4
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