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Consider revising medium temperature used LM35 temperature sensor, what is an economic and feasible method. This study mainly researches the applicability of LM35 temperature sensor in soil temperature testing field. Selected the sensor, and based on the theoretical equation between the sensor output voltage and Celsius temperature; introduced correction(More)
The total field/scattered field technique(TF/SF) is the most popular source technology of the finite difference time domain methods(FDTD methods), but the technology will induce electromagnetic field leakage of the incident wave into the scattered field regions since that the electrical components and the magnetic components are cross-placing in the grids(More)
In order to detect on-line potted crop's water consumption, the water consumption detection system to potted experiment is designed. It is mainly consist of the following sections: soil pot, funnel, water tank, water consumption sensor, leakage sensor, counterweight, dynamic strain gauge and computer, etc. With inputting the pulse signal, dynamic response(More)
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