Dielectric and Emissive Properties of Sorghum (Jowar) Vegetation at C-Band Microwave Frequency

Itolikar, Ashish B.; Joshi, Anand S.; Deshpande, S. S.; Arole, V.M.; Kurtadikar, M. L.

doi:10.1016/j.matpr.2020.02.022

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…where λ o is the free-space wavelength, λ c is the cut-off wavelength The dielectric loss factor [62] is given in the following Equation (7).…”

Section: Methodsmentioning

confidence: 99%

“…where d 1 is the point of first minima in vernier scale reading in the microwave slotted line section, d 2 is the point of second minima in vernier scale reading in the microwave slotted line section. Free space wavelength [62] can be calculated from the following Equation ( 9).…”

Section: Methodsmentioning

confidence: 99%

“…The antenna moved in the horizontal direction so as to measure the sample in the container. The measurement used in this article, however, used the two-point method [62]. This methodology was adopted, since the dielectric properties measured in this article is in powdered form.…”

Section: Literature Reviewmentioning

confidence: 99%

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Identification of Fibre Content in Edible Flours Using Microwave Dielectric Cell: Concise Review and Experimental Insights

Ramasamy¹,

Muniyasamy²,

Čep

et al. 2022

Materials

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The quality of edible intake decides the health of the human body and is also responsible for building a healthy immune system in the body. A healthy immune system can protect the body even from invisible attacks of viral or bacterial infections. The assessment of the quality of edible items is not well defined and standardized in many developing countries due to quality assessment difficulties in practice. An alternative well-defined quality assessment approach for edible flours is presented in this paper. Every edible substance has dielectric properties, and it varies from material to material in nature. Edible flours and liquid have different microwave absorption capabilities, based on their natural molecular structure. Based on the microwave energy absorption characteristics of materials, the attenuation constant of edible flours is derived by the waveguide method in this work. In this approach, microwave energy absorption of the edible samples of different types of wheat, rice and millets are observed, and the attenuation constant factors of the samples are then calculated from the tabulated values. The work focuses on the identification of fibre content present in the edible flours. Inferences are made based on the attenuation and its variations with the number of samples, dielectric loss and dielectric constant of the samples. A systematic and concise review of the topic is also included for the benefit of future researchers.

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“…where λ o is the free-space wavelength, λ c is the cut-off wavelength The dielectric loss factor [62] is given in the following Equation (7).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Identification of Fibre Content in Edible Flours Using Microwave Dielectric Cell: Concise Review and Experimental Insights

Ramasamy¹,

Muniyasamy²,

Čep

et al. 2022

Materials

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Dielectric Response Due to Combine Effect of Soil and Vegetation Layer (Grass) at C-Band Microwave Frequency

Itolikar¹,

Joshi²,

Deshpande

et al. 2020

2020 IEEE India Geoscience and Remote Sensing Symposium (InGARSS)

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Antarctic Laboratory Ground Truth for a Microwave Eye in the Sky

Kurtadikar¹

2022

Geoscientific Investigations From the Indian Antarctic Program

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A C-band microwave bench setup was carried out during the 22nd Indian Scientific Expedition to Antarctica (December 2002 to March 2003) to measure the dielectric properties of Antarctic geophysical materials like samples of ice, soil, and rocks around Indian Antarctic Station, Maitri. Laboratory validation of these properties of Antarctic frosts and soils was done during the summer period of the expedition, as they are significant for microwave remote sensing applications. Dielectric measurements of nine Antarctic rock samples were made after returning to India, which are substantial from the geological point of view. Here, the authors report the first attempt to measure the dielectric properties of these materials of Antarctica.

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Dielectric and Emissive Properties of Sorghum (Jowar) Vegetation at C-Band Microwave Frequency

Cited by 3 publications

References 7 publications

Identification of Fibre Content in Edible Flours Using Microwave Dielectric Cell: Concise Review and Experimental Insights

Identification of Fibre Content in Edible Flours Using Microwave Dielectric Cell: Concise Review and Experimental Insights

Dielectric Response Due to Combine Effect of Soil and Vegetation Layer (Grass) at C-Band Microwave Frequency

Antarctic Laboratory Ground Truth for a Microwave Eye in the Sky

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