Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Chia Yew Lee"'
Publikováno v:
Instruments, Vol 2, Iss 3, p 18 (2018)
This paper presents tea leaves moisture monitoring system based on RF reflectometry techniques. The system was divided into two parts which are the sensor and reflectometer parts. The large coaxial probe was used as a sensor for the system. The refle
Externí odkaz:
https://doaj.org/article/753cde092a244aab9c18adbd868fc581
This chapter reviews the microwave complex ratio measuring (MCRM) circuits which are used for complex reflection coefficient measurement. This MCRM circuit is relatively simple and cost-effective. There are various structures for the MCRM circuit, su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79301d6fc2851b67bde69d0f8bbe706c
https://doi.org/10.4018/978-1-7998-0117-7.ch003
https://doi.org/10.4018/978-1-7998-0117-7.ch003
This book chapter mainly focuses on analytical analysis for the branch-line coupler in which this method provides an explicit solution in the coupler design. Generally, the directional coupler is one of the fundamental components for Microwave Integr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4c6dac03ef3b32fc032e2603367d826
https://doi.org/10.4018/978-1-7998-0117-7.ch001
https://doi.org/10.4018/978-1-7998-0117-7.ch001
Autor:
Nadera Najib Al-Areqi, Nor Hisham Haji Khamis, and Chia Yew Lee, Mohamad Ngasri Dimon, Kok Yeow You
Publikováno v:
Progress In Electromagnetics Research C. 82:199-207
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac3196a976082dad1991ef2b7417be45
https://doi.org/10.2528/pierc17110402
https://doi.org/10.2528/pierc17110402
Akademický článek
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Publikováno v:
Measurement. 94:119-125
This paper proposes a modified microstrip ring resonator sensor with four-legged element structure design for microwave soil aquametry application. Dielectric prediction based on different moisture content, m.c. for measurement of peat and sand soils
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fa053ac1ccfcfc68c76f261173b7702
https://doi.org/10.1016/j.measurement.2016.07.046
https://doi.org/10.1016/j.measurement.2016.07.046
Autor:
Wai Leong Lim, Tian Swee Tan, Yi Lung Then, Liyana Zahid, Yeng Seng Lee, Chia Hau Lee, Kok Yeow You, Chia Yew Lee
Publikováno v:
Progress In Electromagnetics Research C. 69:83-95
In this study,a Six-port Reflectometer (SPR) with dielectric probe sensor is used to predict relative dielectric,er of normal and tumorous breast tissue in frequency range from 2.34GHz to 3.0GHz. Other than that,a superstrate with an exterior copper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd4ed8845c8c9d11f48e2c178b82a7b4
https://doi.org/10.2528/pierc16081302
https://doi.org/10.2528/pierc16081302
Publikováno v:
Instruments, Vol 2, Iss 3, p 18 (2018)
This paper presents tea leaves moisture monitoring system based on RF reflectometry techniques. The system was divided into two parts which are the sensor and reflectometer parts. The large coaxial probe was used as a sensor of the system. The reflec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::858b2a81acc97fad5073f8e7c4ccdcd7
Autor:
Kok Yeow You, Nadera Najib Al-Areqi, Nor Hisham Haji Khamis, Mohamad Ngasri Dimon, Chia Yew Lee
Publikováno v:
Radioengineering. 2018 vol. 27, č. 1, s. 200-206. ISSN 1210-2512
In this paper, a Wilkinson power divider is modified using four-series delta-stub and folded stepped-impedance transmission line (FSITL) in order to achieve a reduced circuit size of 84% and fractional bandwidth of 116%. Series delta-stubs are used i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5eae4a3dbde489e81960af1296645c68
https://hdl.handle.net/11012/82977
https://hdl.handle.net/11012/82977
Publikováno v:
2017 IEEE 4th International Conference on Smart Instrumentation, Measurement and Application (ICSIMA).
A Wilkinson power divider has ideal transmission characteristics and it enables easy realization in planar transmission line technology. However, the conventional Wilkinson power divider features a large component footprint because of its quarter-wav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b56a55b4a92a22dacdc31517d2d55f88
https://doi.org/10.1109/icsima.2017.8311977
https://doi.org/10.1109/icsima.2017.8311977