Effect of Different Distance, Offset and Rotation Angle on Read Rate of RFID
Abstract: To study the effects of different distances, offset and rotation angle on the RFID read rates, the paper set the tag reading distance (M) 5 treatments (1 m, 2 m, 3 m, 4 m, 5 m), the offset angle (A) 5 treatments (0˚, 15˚, 30˚, 45˚, 60˚) and the rotation angle (R) 4 treatments (0˚, 90˚, 180˚, 270˚). No-load plants and different potted plants were studied. The result show the effective tag reading range and the offset angle in the no-load condition: when the distance is 1 m, the valid range of the offset angle is 0˚ - 60˚ and the reading rate is more than 98.0%; when the distance is 2 to 5 m, the valid range of the offset angle is 0˚ - 45˚ and the reading rate is more than 97.4%. When the potted plants are poinsettias and Jatropha, the effective range of tag read distance, the offset angle and the rotation angle is: The farthest distance is 5 m; when the distance is 1 m, the offset angle range is 0˚ - 60˚; when the distance is 2 m - 3 m, the offset angle range is 0˚ - 45˚; when the distance is 4 m, the offset angle range is 0˚ - 15˚; when the distance is 5 m, the offset angle range is 0˚; when the distance is 0 - 3 m, the effective range of its rotational angle is 0˚ - 270˚. In this reading range, RFID read rate reaches more than 93.06%. When the distance is 4 m and the offset angle is 0˚ - 15˚, the valid range of its rotation angle is 0˚ - 90˚ and RFID reading rate reaches 82.7%. When measurement condition is same, Jatropha reading rate is higher than poinsettia.
文章引用: 王亓剑 , 雷龙海 , 赵 馀 , 王卫华 , 杨启良 (2017) 不同距离、偏移和旋转角度对RFID读取率的影响。 农业科学， 7， 1-10. doi: 10.12677/HJAS.2017.71001
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