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首页> 外文会议>Conference on Subsurface and Surface Sensing Technologies and Applications Ⅲ Jul 30-Aug 1, 2001, San Diego, USA >Comparison of density-independent methods for moisture measurement using microwave free-space technique
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Comparison of density-independent methods for moisture measurement using microwave free-space technique

机译：微波自由空间技术测量湿度的密度无关方法的比较

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摘要

This paper compares our proposed new method to the former methods for density-independent moisture measurement using microwave free-space technique. The measurement setups and the published results of the two methods are summarized and compared. The methods are compared in the aspects of accuracy and moisture range based on the measurements for the same samples of green tea and timber. It is shown that the accuracy by the new method is better than that by the former method for both materials in the moisture range from 2 to 30%. The result also indicates that the new method has the feature to be able to measure wide moisture range. The new method measures moisture content up to 42% for green tea, in contrast to the former method, by which the maximum measurable moisture content is approximately 30%.
机译：本文将我们提出的新方法与以前使用微波自由空间技术进行密度无关的水分测量的方法进行了比较。总结并比较了两种方法的测量设置和已发布的结果。根据对绿茶和木材相同样品的测量，在准确性和湿度范围方面对这些方法进行了比较。结果表明，对于两种材料在2％到30％的湿度范围内，新方法的精度都优于前一种方法。结果还表明，该新方法具有能够测量较宽的湿度范围的功能。与以前的方法相比，新方法测量的绿茶水分含量最高为42％，通过后者，最大可测量水分含量约为30％。

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