摘要
简要介绍了谐波在线分析的方法,建立了在线谐波分析的包含加性噪声和调制性噪声的信号的数学模型。介绍了基于数字模拟混合乘法器实现的最优相关滤波的谐波分析仪技术方案,通过电路原理分析,给出了谐波分析测量仪的具体实现方法,并做出结论。
The method in the on-line harmonics analysis is introduced briefly, setup the signal mathematic models in the on-line harmonics analysis including the adding noise and modulating noise, the paper states the specific harmonics analysis technical scheme based on the optimization correlative filter theory realized by digital-analog mixed multiplier. The realization method of harmonics analysis instrumentation is introduced by principle analysis of electric circuit and conclusions are given.
出处
《电测与仪表》
北大核心
2007年第1期29-32,共4页
Electrical Measurement & Instrumentation
关键词
谐波分析
在线测量
最优相关滤波
数字模拟混合乘法器
harmonics analysis
on-lilne measurement
optimization correlative filter
digital-analog mixed multiplier
