Multi Band Antenna System for Quality Evaluation Application of Apple Fruit

  • Angeline M. FlashyEmail author
  • G. P. Ramesh
Part of the Intelligent Systems Reference Library book series (ISRL, volume 172)


This paper presents an antenna sensing technique for quality assessment of Apple samples. The Compact rectangular 2 × 2 antenna array is designed with Bandpass filter for the triple band microwave sensing at 2.4/3.5/5.8 GHz and the parameters are analyzed using Vector Network Analyser. The Microstrip Antenna senses and reads the spectra produced from the apple sample for quality evaluation. In Existing, Granulation of Different Apple fruits can be analyzed by using Atomic Absorption Spectrophotometry (AAS) technology and Signal Processing. To overcome the cost-effectiveness, high-profile, the grading and quality evaluation is done by microstrip antenna and Wavelet Decomposition Technique in the proposed work. The parameters for Apple sample quality evaluation such as Standard deviation, Variance, Skewness, Crest factor, RMS and ZCR at different positions was investigated from 2.2 to 7 GHz using MATLAB. It was found that the reflected signal from the sample provides the obvious variation and can be used as indicators for justification. The analysis of device stability with Stability factor and the input and output impedance matching with Smith Chart and Tuning are analysed and validated with the simulation of S parameters using Advanced Design System (ADS) Simulation tools. The designed antenna array evaluates the grade of apple fruit and report the data to the consumer through IOT.


Band pass filter Standard deviation Variance Skewness Crest factor RMS ZCR ADS Stability factor 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.St. Peter’s Institute of Higher Education and ResearchChennaiIndia

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