A Real-Time Non-Destructive Water Status Monitoring System at Terahertz Band

C. Quemada, J. Iriarte, D. Marín, C. Miranda, R. Gonzalo, L. G. Santesteban, I. Ederra
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引用次数: 0

Abstract

A novel water content monitoring system of a grapevine based on the reflectivity measurement on the plant trunk at the terahertz band is presented. In order to simulate different outdoor conditions, mainly temperature and lighting, the whole setup, which includes the grapevine and the measurement system, has been settled inside a growth chamber. Fluctuations of lighting conditions, temperature and irrigation have been correlated with variations of the signal power reflected on the trunk using both time domain broadband measurements and, magnitude and phase frequency domain narrowband measurements. The innovative setup enables the achievement of more reliable and accurate results when external conditions vary. Finally, the results have been contrasted, with high level of correlation, with long-established techniques using a dendrometer and a humidity probe.
一种基于太赫兹波段的实时非破坏性水态监测系统
提出了一种基于葡萄树干太赫兹波段反射率测量的葡萄含水量监测系统。为了模拟不同的室外条件,主要是温度和照明,整个装置,包括葡萄藤和测量系统,被安置在一个生长室内。光照条件、温度和灌溉的波动与通过时域宽带测量和幅度和相位频域窄带测量在干线上反射的信号功率的变化相关。创新的设置可以在外部条件变化时获得更可靠和准确的结果。最后,将结果与使用树木计和湿度探头的长期建立的技术进行了高度相关的对比。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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