Development Of Fruit Maturity Testing System Using RF Properties

Noor Azhar, Tahir (2010) Development Of Fruit Maturity Testing System Using RF Properties. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Microwaves are electromagnetic waves with wavelengths shorter than one meter and longer than one millimeter, or frequencies between 300 megahertz and 300 gigahertz. Microwave usually associated with Radio Frequency. Microwave measurements and the dielectric properties of materials are finding increasing application, as new electro technology is adapted for use in agriculture and food processing industries. In the agricultural industries, determine the maturity of fruit will be taken much more time. This project is about microwave free-space measurement by using 2 waveguide antennas (Horn Antenna) as transmitter and receiver operating in frequency range of 2.1 – 3.0 GHz to determine the insertion loss (S21) after passing through banana which can be calculated in term of Complex Permittivity. The results from the observation show that this technique can determine fruit maturity base on the dielectric changing in the fruit sample.

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