Design of Demodulation System of Interferometric Sensor Based on Labview

被引：3
|
作者：
XU Wei1
2. College of Precision Instrument and Optic-electronics Engineering
机构：
来源：
SemiconductorPhotonicsandTechnology | 2008年 / 02期
关键词：
asymmetric; 3×3; coupler; phase demodulation; Labview; software demodulation; interferometric sensor;
D O I：
暂无
中图分类号：
TP212 [发送器（变换器）、传感器];
学科分类号：
080202 ;
摘要：
For the modified demodulation arithmetic of 3×3 coupler, the processing software built on the basis of Labview is able to demodulate asymmetric 3×3 coupler signal and do further spectrum analysis. It shows that the measured frequency ranges from 10 Hz to 1 000 Hz and phase range is covered by -10 rad;0 rad. The phase sensitivity is 0.5 V/rad. This system is proved to show high resolution and wide dynamic range.
引用
收藏
页码：115 / 120
页数：6
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