Soil moisture sensor

Research of Soil Moisture Sensor Based on Transmission Line Theory

基于传输线理论的土壤水分传感器的性能试验

Study on intelligent soil moisture sensor Based on the PIC MCU

基于PIC单片机的智能化土壤水分传感器的研究

Sensor node takes applications of temperature and humidity sensor , light intensity sensor and soil moisture sensor .

传感器节点应用了温湿度传感器、光照强度传感器和土壤含水率传感器。

A new design of soil moisture sensor using frequency domain reflectometry technology is introduced by derivation of equation of high frequency response of transmission line .

通过详细介绍传输线的高频率响应原理及其推导方程，以此为基础设计了基于频域反射的土壤水分探测传感器。

The Soil moisture sensor improves the cheap cost method of a porous absorbent block , to change parallel electrodes with concentric and spiral ones .

土壤含水量传感器将成本低廉的石膏块法加以改进，将平行电极改为同心螺旋电极，较之传统的石膏块平衡速度提高，响应时间缩短。

According to the existing data measured by E type soil moisture sensor , establish a genetic neural network prediction model of soil water to predict soil moisture on the field .

根据已有利用E型土壤水分传感器测得的数据建立的遗传神经网络土壤水分预测模型来对田间土壤水分进行预测。

For the sake of studying the characteristics of SWR soil moisture sensor , the soil cylindrical tube experiment is designed and the experiment modeling and performance analysis are done in this thesis .

本文为了研究SWR型土壤水分传感器的特性设计了土柱试验，对SWR型土壤水分传感器进行了试验建模和性能分析。

The basic principles , work characteristics and application of a telemetering capacity soil moisture sensor are introduced . In several kinds of soil , the experiments show it have advantages of linear input - output characteristics , higher precision and wire telemetering .

介绍了一种电容式土壤水分传感器的基本原理、工作特性及应用、在多种土壤中实验表明：它具有线性工作特性，适应面较广，精度较高，可实现有线遥测的优点。

The article presents soil moisture sensor of which the present study conditions at home and abroad , the basic principle to sense , the structure and composition , the circuit to transfer or adjust signal , the methods to demarcate and measure and the outcome .

阐述了果树土壤含水量传感器的研究现状、传感器的基本原理、结构组成、信号转换调节电路和标定测量方法、实验结果等。

In this research , we determined the selective conditions of testing objects which are used for testing the soil moisture measurement sensor and adopted the representational Black soil , Yellow soil as testing soil .

确定了测试土壤含水率检测传感器的检测对象的选择条件，并以此为依据选择具有代表性的黑色土壤和黄色土壤作为试验用土壤。

Study and Application for Soil Moisture Monitor Using Remote Sensor Technology in the Semiarid Area of Heilongjiang Province

黑龙江省半干旱地区土壤水分遥感监测技术研究及应用