Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Prapan Leekul"'
Publikováno v:
IEEE Access, Vol 10, Pp 54516-54524 (2022)
This paper presents a compact sensor system for estimating the dielectric properties of materials based on commercial, off-the-shelf (COTS) modules. The dielectric constant and conductivity of a material under test can be determined from the measurem
Externí odkaz:
https://doaj.org/article/e01714dfca4540bea9c71d5be0fe0a32
Publikováno v:
Progress in Electromagnetics Research C; 2023, Vol. 135, p157-172, 16p
Publikováno v:
Progress In Electromagnetics Research M. 100:93-103
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f63995f2ec9991d47a57cdfbc9bad82f
https://doi.org/10.2528/pierm20112202
https://doi.org/10.2528/pierm20112202
Autor:
Charernkiat Pochaiya, Srawouth Chandhaket, Prapan Leekul, Jhirat Mearnchu, Tanawut Tantisopharak, Thunyawat Limpiti
This paper presents a bandwidth enhancement of a dual-band bi-directional rectangular microstrip patch antenna. The novelty of this work lies in the modification of conventional rectangular microstip patch antenna by using the combination of two tech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d6467538ee4ced7dcaae6e1e2a7342b
https://zenodo.org/record/6774613
https://zenodo.org/record/6774613
Publikováno v:
International Journal of Electrical and Computer Engineering (IJECE). 13:549
An automatic humidity control system for mushroom growing house based on the free-space technique is presented. The novelty of this work is the modified free-space technique by measuring the amplitude only of transmission coefficient |S21| that refle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bac0dc74b446c63a806dece75e7c984
https://doi.org/10.11591/ijece.v13i1.pp549-560
https://doi.org/10.11591/ijece.v13i1.pp549-560
Publikováno v:
2021 IEEE Conference on Antenna Measurements & Applications (CAMA).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31d1edaab51cf6109711afddae474eda
https://doi.org/10.1109/cama49227.2021.9703500
https://doi.org/10.1109/cama49227.2021.9703500
Publikováno v:
IEEE Sensors Journal. 16:6559-6565
This paper has proposed a non-destructive, non-invasive sensor system for classifying durian fruits according to the maturity stages. The design of the sensor system has adopted the principle of wireless communications in which the Rician k-factors w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::814fec1bde96d624c47ca2ed16604ac2
https://doi.org/10.1109/jsen.2016.2581209
https://doi.org/10.1109/jsen.2016.2581209
Autor:
Prapan Leekul, Monai Krairiksh
Publikováno v:
2018 IEEE Conference on Antenna Measurements & Applications (CAMA).
This paper presents a microwave sensor that can detect defected fruits. In this work, mangosteen is used as an example. Translucent is detected by measuring Doppler frequency as mangosteen is rotated. From the simulated scattered waves at different d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f4681f03fc1d2c6785f6fb8bec5025e
https://doi.org/10.1109/cama.2018.8530566
https://doi.org/10.1109/cama.2018.8530566
Autor:
Monai Krairiksh, Prapan Leekul
Publikováno v:
2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP).
Our previous work demonstrated that nondestructive fruit classification using Cauchy method is applicable for mangosteen. This work illustrated the experimental results that the frequency difference of normal and translucent mangosteens is about 12 M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd890039eaa90dd2a922b41f0ce4c833
https://doi.org/10.1109/apcap.2018.8538096
https://doi.org/10.1109/apcap.2018.8538096
Publikováno v:
International Journal of Electronics. 103:1287-1300
This paper deals with a microwave sensor for classifying tangerines by flavour using coupled-patch antennas. The operating frequency of the antennas is 2.45 GHz. The sensor determines the flavour of each tangerine by measuring the magnitudes of coupl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5aa80c644d7d89ed0f468ec8e10e075a
https://doi.org/10.1080/00207217.2015.1092602
https://doi.org/10.1080/00207217.2015.1092602