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本文报道了收获期籽粒水分含量连续监测的有声感应器的研究结果。通过两个金属电极构成的容器的共鸣频率来决定粮食水分含量的高低。这两个金属电极装有作为电介质材料的籽粒移动柱。采用两电极的几何装置；同心园法和平行法。在小麦、大麦、燕麦、豌豆和扁豆上已进行了该感应器的试验。
In this paper, we report the results of the research on the acoustic sensors with continuous monitoring of grain moisture content at harvest. The resonant frequency of the container consisting of two metal electrodes determines the level of food moisture content. These two metal electrodes are equipped with grain moving columns as dielectric material. Geometrical device with two electrodes; concentric circle method and parallel method. This sensor has been tested on wheat, barley, oats, peas and lentils.