Effect of Moisture Content in Beef on Reflection and Dielectric Measurement using Coaxial Reflection Probes

Authors

  • E.M. Cheng School of Mechatronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia. Bioelectromagnetics Research Group (BioEM), Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • C.K. Lam School of Mechatronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • Hasliza A Rahim@Samusuddin Bioelectromagnetics Research Group (BioEM), Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia. School of Computer and Communication Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • N.F. Mohd Nasir School of Mechatronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • M.S. Abdul Majid School of Mechatronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • S.F. Khor School of Electrical System Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia.
  • K.Y. You Radio Communication Engineering Department, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Malaysia.
  • Y.S. Lee Department of Electronic Engineering Technology, Faculty of Engineering Technology, Universiti Malaysia Perlis, Perlis, Malaysia.

Keywords:

Dielectric Constant, Loss Factor, Moisture Content, Complex Reflection Coefficient,

Abstract

Open-ended coaxial probe and Agilent 85070E High Temperature Probe were used in conjunction with Agilent E8362B PNA Network Analyzer from 200 MHz to 20 GHz for moisture detection in beef. The open-ended coaxial probe was fabricated from SMA stub contact. A high-temperature probe was used to measure dielectric properties, ε* viz. dielectric constant, ε’ and loss factor, ε” of beef. Complex reflection coefficient, Г was measured for different moisture content (mc) of beef. It would be compared with the measured Г from High Temperature Probe to verify the performance of coaxial probe. ε’ increases when mc increases. However, ε” exhibit opposite response with mc. Measured |Г| via both probes decreases when frequency and mc increases. Meanwhile, negative phase, - ϕ increases due to the increment of frequency or mc. The results show that measured ε and Г provides significant results for predicting mc. However, ϕ is indistinguishable among different mc of beef.

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Published

2018-05-30

How to Cite

Cheng, E., Lam, C., Rahim@Samusuddin, H. A., Mohd Nasir, N., Abdul Majid, M., Khor, S., You, K., & Lee, Y. (2018). Effect of Moisture Content in Beef on Reflection and Dielectric Measurement using Coaxial Reflection Probes. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 10(1-14), 101–106. Retrieved from https://jtec.utem.edu.my/jtec/article/view/4001

Issue

Vol. 10 No. 1-14: Exploring Man-Machines Compliance in Sensors and Control Systems

Section

Articles

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