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Abstract:
基于光电转换原理,设计了一款便携式粉尘浓度测试仪.为了减小光源两端电压变化对测量的影响,采用两个红外接收二极管,将两路转换信号通过差分放大电路的方法以消除影响.该粉尘测试仪还具有报警和数据传输等功能.通过模拟粉尘浓度试验,说明可将经过光电转换后得到的电压信号与粉尘浓度建立起对应关系,为进一步进行浓度标定奠定了基础.
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仪表技术与传感器
ISSN: 1002-1841
Year: 2009
Issue: 4
Page: 29-32
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 9
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