Cylindrical Slot Antennas for Monitoring the Quality of Milled Rice
This paper presents the use of a cylindrical slot antenna sensor to determine the quality of rice based on the percentage of moisture content and percentage of broken rice.The reflection coefficient of rice were measured using both single and parallel slot sensors of infinite ground plane in the frequency range from DC to 6 GHz using a Vector Network Analyzer(VNA).Five varieties of rice with moisture content between 13%and 16%were tested in this work.Calibration equations were established to relate the measured reflection coefficient to moisture content which in turn allows prediction of the percentages of broken rice.From the measurement results,the parallel two slot sensor showed the high sensitivity of reflection coefficient to the moisture content in the rice grain,as well as the percentage of cracked rice in the samples.
K.Y.You J.Salleh Z.Abbas L.L.You
Radio Communication Engineering Department,University Teknologi Malaysia UTM Skudai 81310,Malaysia Department of Physics,University Putra Malaysia,UPM Serdang 43400,Malaysia Department of Human Biology,School of Medicine and Health Sciences International Medical University,
国际会议
Progress in Electromagnetics Research Symposium 2011(2011年电磁学研究新进展学术研讨会)
苏州
英文
1370-1373
2011-09-01（万方平台首次上网日期，不代表论文的发表时间）