Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Hoi-Shun Lui"'
Autor:
Hoi-Shun Lui, Mikael Persson
Publikováno v:
Sensors, Vol 24, Iss 4, p 1059 (2024)
The non-ionizing nature of microwave radiation and the low cost of microwave electronics offer innovative solutions for medical diagnosis, treatment, and health monitoring [...]
Externí odkaz:
https://doaj.org/article/62a106ca002649c1abe0a471e826aabd
Autor:
Yi Xuan Ang, Hoi-Shun Lui
Publikováno v:
Sensors, Vol 23, Iss 16, p 7202 (2023)
At microwave frequencies, radar cross-section (RCS) measurements are usually performed by placing the target in the far-field region of the antenna. The wavefront of the radiating field from the antenna can be approximated as planar, ensuring that th
Externí odkaz:
https://doaj.org/article/419ef3f2b2c149799141bb7ed24fba4c
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
Externí odkaz:
https://doaj.org/article/accf30a5dbfe454a8afc35dd6cb22ce4
Autor:
Hoi-Shun Lui, Hon Tat Hui
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
Performance evaluation of direction-of-arrival (DOA) estimation algorithms has continuously drawn significant attention in the past years. Most previous studies were conducted under the situation that antenna element separation is about half waveleng
Externí odkaz:
https://doaj.org/article/7b519a159da14b7d8f9e17abdc7f77a8
Publikováno v:
International Journal of Biomedical Imaging, Vol 2012 (2012)
Microwave imaging for breast cancer detection has been of significant interest for the last two decades. Recent studies focus on solving the imaging problem using an inverse scattering approach. Efforts have mainly been focused on the development of
Externí odkaz:
https://doaj.org/article/b2c4c27df90e4cd1ae42cf1b2b4a62c3
Publikováno v:
2023 5th Australian Microwave Symposium (AMS).
Autor:
Hoi-Shun Lui, Hon Tat Hui
Publikováno v:
IEEE Antennas and Propagation Magazine. 57:62-68
This article investigates the accuracy of direction-of-arrival (DOA) estimations using compact antenna arrays under the influence of mutual coupling. We model the entire electromagnetic problem using the moment method such that the undesirable mutual
Publikováno v:
Antennas and Wave Propagation
Reliable radar target recognition has long been the holy grail of electromagnetic sensors. Target recognition based on the singularity expansion method (SEM) uses a time-domain electromagnetic signature and has been well studied over the last few dec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec7a287c1e6eba6700a08c5e59111dc0
https://doi.org/10.5772/intechopen.75059
https://doi.org/10.5772/intechopen.75059