Research on microwave measurement for moisture content

XU Hao; YE Ming

doi:10.13873/j.1000-97872007.05.006

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Research on microwave measurement for moisture content

更新时间：2025-09-11

- Research on microwave measurement for moisture content
- Issue 5, Pages: 43-44+51(2007)
- 作者机构：
  
  1. 上海大学通信与信息工程学院
  2. 上海大学通信与信息工程学院,上海,200072
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872007.05.006
  CLC： TM931
- Published：2007
- 稿件说明：
移动端阅览
[1]徐浩,叶明.微波水分测量的研究[J].传感器与微系统,2007(05):43-44+51.

XU Hao, YE Ming. Research on microwave measurement for moisture content[J]. 2007, (5): 43-44+51.
[1]徐浩,叶明.微波水分测量的研究[J].传感器与微系统,2007(05):43-44+51. DOI： 10.13873/j.1000-97872007.05.006.

XU Hao, YE Ming. Research on microwave measurement for moisture content[J]. 2007, (5): 43-44+51. DOI： 10.13873/j.1000-97872007.05.006.

摘要

为了能快速、准确地检测物料中的水分含量

设计了一种微波水分检测系统。该系统的工作原理是基于微波透射过含水物料后

其功率变化、衰减量等与物料水分含量有关。该系统工作的中心频率是10.5 GHz;对温度变化、物体颜色及所含盐分等不敏感;水分测量范围可达5%

0%;测量精度为±1%;微波发射功率为10mW。该系统适合检测纸板、布等有一定厚度物料中的水分含量。

Abstract

In order to detect the moisture content quickly and accurately

a set of microwave measurement system is designed.The working principle of the system is based on the relationship between the power variation

attenuation and moisture when the microwave penetrates the object moisture content.The working center frequency is 10.5 GHz.It is insensitive to temperature variation

salt melted content in the water and the material color.Accuracy is ±1 %;The measurement range of moisture content is from 5 %

0 %;and its radiating power is 10 mW.The system is used for the measurement of samples with certain thickness such as cardboard and cloth.

关键词

Keywords

references

食品水分的在线微波测定技术 [J]. 张胜全,张永林. 食品与机械 . 2005(02)

无损检测手册[M]. 机械工业出版社 , 李家伟,陈积懋主编, 2002

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