Enhanced Antenna System for Non-invasive Quality Assessment and Defect Identification in Fruits: Uniting Tomographic Image Reconstruction with FTIR Spectroscopy

IF 2.6 3区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Food Analytical Methods Pub Date : 2024-04-15 DOI:10.1007/s12161-024-02621-w

Md. Najumunnisa, A. S. C. S. Sastry, B. T. P. Madhav, Ahmed Nabih Zaki Rashed

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Abstract

This study presents a comprehensive exploration of an antenna system designed for tomographic image reconstruction, with a particular focus on the application to various fruits. The antenna, simulated using CST software and physically manufactured, operates in two frequency bands (0.915 GHz and 2.45 GHz) and is arranged in a circular configuration for signal reception. The experimental setup incorporates a microwave source generator, an 8-element antenna array, a vector network analyzer (VNA), and probes. Employing the “Dielectric Anomaly Detection Approach,” the system achieves detailed tomographic reconstructions, emphasizing dielectric anomalies in defective fruit regions. Additionally, Fourier transform infrared (FTIR) spectroscopy is employed to examine the molecular composition of fruit specimens, providing insights into their chemical properties. The non-invasive nature of the experimental setup is highlighted in contrast to the invasive FTIR method, offering advantages in assessing fruit quality without altering specimens.

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用于水果无创质量评估和缺陷识别的增强型天线系统：将断层图像重建与傅立叶变换红外光谱技术相结合

本研究全面探讨了为断层扫描图像重建而设计的天线系统，尤其侧重于各种水果的应用。该天线使用 CST 软件模拟并实际制造，工作在两个频段（0.915 GHz 和 2.45 GHz），以圆形配置接收信号。实验装置包括微波源发生器、8 元天线阵列、矢量网络分析仪（VNA）和探头。该系统采用 "介电异常检测方法"，实现了详细的层析成像重建，强调了有缺陷果实区域的介电异常。此外，还采用傅立叶变换红外（FTIR）光谱来检测水果样本的分子组成，从而深入了解其化学特性。与侵入式傅立叶变换红外光谱法相比，该实验装置具有非侵入性特点，在评估水果质量时无需改变标本。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food Analytical Methods 农林科学-食品科技

CiteScore

6.00

自引率

3.40%

发文量

244

审稿时长

3.1 months

期刊介绍： Food Analytical Methods publishes original articles, review articles, and notes on novel and/or state-of-the-art analytical methods or issues to be solved, as well as significant improvements or interesting applications to existing methods. These include analytical technology and methodology for food microbial contaminants, food chemistry and toxicology, food quality, food authenticity and food traceability. The journal covers fundamental and specific aspects of the development, optimization, and practical implementation in routine laboratories, and validation of food analytical methods for the monitoring of food safety and quality.