用于土壤湿度测量的微波传感器天线

2015 Fifth International Conference on Advances in Computing and Communications (ICACC) Pub Date : 2015-09-01 DOI:10.1109/ICACC.2015.92

A. S. Pathma Priyaa, Adil Mohammed, C. Ambili, N. S. Anusree, Anne Varghese Thekekara, R. Mohan, S. Mridula

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引用次数: 6

摘要

提出了一种用于土壤湿度测量的紧凑型传感器天线。该方法具有简单的测量装置，适用于所有类型的土壤。天线整体结构为12mm × 12mm × 1.6mm。10臂螺旋天线嵌入50 Ω非对称共面条形传输线。天线制作在εr =4.4，损耗正切值为0.02的衬底上。天线谐振频率为2.48 GHz，带宽为25 MHz。天线的谐振频率根据放置天线的材料而变化。土壤含水量由传感器天线S11的相对位移得到。传感器可以在实际环境中使用，特别是在农业领域，在一年中的任何特定时间发现田间土壤的干燥或潮湿性质。它还可以用来探测偏远地区是否有水。

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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Microwave Sensor Antenna for Soil Moisture Measurement

The paper presents a compact sensor antenna for soil moisture measurement. With a simple measurement setup, the method is valid for all types of soil. Overall structure of the antenna is 12mm × 12mm × 1.6mm. A 10 arm spiral antenna is embedded onto a 50 Ω Asymmetric Coplanar Strip transmission line. The antenna is fabricated on a substrate with εr =4.4 and loss tangent 0.02. The antenna resonates at 2.48 GHz with a bandwidth of 25 MHz. The resonant frequency of the antenna shifts depending on the material in which the antenna is placed. The soil moisture content is found by the relative shift of S11 of the sensor antenna. Sensors can be used in real environment especially in the agricultural domain to find the dry or humid nature of the soil in the field at any particular time of the year. It can also be used to sense the presence of water in remote areas.

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来源期刊

2015 Fifth International Conference on Advances in Computing and Communications (ICACC)

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