The simulation of sugar content estimation of sugarcane based on dielectric properties for microwave imaging technique
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Abstract
The simulation of sugar content estimation of sugarcane based on dielectric properties for microwave imaging technique is proposed in this research. The specific dielectric constant contained in each pixel in the image is applied to indicate the type and position of objects in the area under test (AUT) such as sugarcane sample. The number of antenna around the AUT is defined by the angle of each antenna that directly affects to the resolution of reconstructed image. The major challenge of this project is a trade-off between image resolution and number of antenna. Increasing the numbers of antennas provide higher image resolution, however it also makes the imaging system more complex. The determination of suitable value is operated in the first process. It is found that the 5º of value provides the good agreement between image resolution and number of antenna for estimating sugar content. The simulation error of sugar content estimation in the reconstructed image is between 1.97-7.24% of given sweetness range (9-21 ºBrix). The error is computed by using the average of obtained dielectric constant in pixel near the core of cane sample area.
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