Skip to main content

Research Repository

Advanced Search

Prof Chan Hwang See's Outputs (337)

Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms (2008)
Presentation / Conference Contribution
Chung, S., Abd-Alhameed, R., Excell, P., See, C., Zhou, D., & Gardiner, J. (2008, June). Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms. Presented at International Multi-Conference on Engineering and Technological Innovation, Orlando, Florida, USA

The initial design of a wideband non-dispersive wire bow-tie antenna using GA is presented here, primarily for microwave imaging application. The wire bow-tie antenna is designed to operate from 4 GHz to 8 GHz which is essential for microwave penetra... Read More about Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms.

Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method (2008)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., & Excell, P. (2008, April). Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method. Presented at IET 7th International Conference on Computation in Electromagnetics (CEM 2008), Brighton, UK

This paper demonstrates the detailed electromagnetic modelling of biological cell structures by using modified subgridding FDTD techniques. This is done by incorporating a quasi-static FDTD solution, Floquet periodic boundary conditions and modified... Read More about Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method.

Wireless sensor transmission range measurement within the ground level (2008)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., Hu, Y., & Horoshenkov, K. (2008, March). Wireless sensor transmission range measurement within the ground level. Presented at 2008 Loughborough Antennas and Propagation Conference (LAPC), Loughborough, UK

The maximum transmission range of crossbow wireless sensors are considered and discussed for sensor to sensor on ground level communication, and sensor on ground level to base station on lamppost. Two different crossbow wireless sensors kits operated... Read More about Wireless sensor transmission range measurement within the ground level.

Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies (2008)
Presentation / Conference Contribution
See, C. H., Abd-Alhameed, R. A., Excell, P. S., & Zhou, D. (2008, March). Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies. Presented at 23rd Progress in Electromagnetics Research Symposium (PIERS2008), Hangzhou, China

The paper demonstrates the modelling of the interaction mechanism between the biological tissues and electromagnetic field at mobile communication frequency ranges. The implementing of modified FDTD numerical method using frequency scaled FDTD with F... Read More about Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies.

Design An Integrated Oscillator/Antenna (2008)
Journal Article
Abd-Alhameed, R., Zhou, D., See, C., Excell, P., Ghorbani, A., & McEwan, N. (2008). Design An Integrated Oscillator/Antenna. Microwaves & RF, 47(3), 59-66

This design tightly integrated an active oscillator with a microstrip patch antenna for miniaturization in WLAN, Bluetooth, and other 2.45-GHz systems.

Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme (2007)
Journal Article
See, C. H., Abd-Alhameed, R. A., & Excell, P. S. (2007). Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme. IEEE Transactions on Microwave Theory and Techniques, 55(9), 1986-1994. https://doi.org/10.1109/tmtt.2007.904064

When modeling objects that are small compared with the wavelength, e.g., biological cells at radio frequencies, the standard finite-difference time-domain (FDTD) method requires extremely small time-step sizes, which may lead to excessive computation... Read More about Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme.

FDTD Subgridding Scheme for Bioelectromagnetics Application (2007)
Presentation / Conference Contribution
See, C. H., Abd-Alhameed, R. A., Zadeh, R., & Excell, P. S. (2007, July). FDTD Subgridding Scheme for Bioelectromagnetics Application. Presented at National URSI Radio Science Symposium, University of Portsmouth, Portsmouth, UK

Design of quadrifilar helical and spiral antennas in the presence of satellite-mobile handsets using genetic algorithms (2006)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., Excell, P., & Amushan, E. (2006, November). Design of quadrifilar helical and spiral antennas in the presence of satellite-mobile handsets using genetic algorithms. Presented at 2006 First European Conference on Antennas and Propagation, Nice, France

Two circularly-polarised quadrifilar helical and spiral antennas, operated at 1.6 GHz and intended for the applications of satellite mobile communications, were designed using genetic algorithms. The antennas were firstly considered as a test on an i... Read More about Design of quadrifilar helical and spiral antennas in the presence of satellite-mobile handsets using genetic algorithms.

A new design of circularly-polarised conical-beam microstrip patch antennas using a genetic algorithm (2006)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., Zhou, D., Excell, P., & Hu, Y. (2006, November). A new design of circularly-polarised conical-beam microstrip patch antennas using a genetic algorithm. Presented at 2006 First European Conference on Antennas and Propagation, Nice, France

Two circularly-polarised conical beam air-dielectric microstrip patch antennas for short-range low-power Wireless Sensor Network application were designed using genetic algorithms. They were achieved using two slots or a shorting wall, both designs i... Read More about A new design of circularly-polarised conical-beam microstrip patch antennas using a genetic algorithm.

Reduced Size Circularly Polarised Antennas For Mobile Handsets (2006)
Presentation / Conference Contribution
See, C. H., Abd-Alhameed, R. A., Khalil, K., Excell, P. S., & Ali, A. (2006, July). Reduced Size Circularly Polarised Antennas For Mobile Handsets. Poster presented at The 19th UK URSI Colloquium at Cosenor’s- House, The Rutherford Appleton Laboratory, Abingdon, Oxford, UK

Abstract not available.

Adaptive Meshing For Numerical Antenna Design Using Genetic Algorithms (2006)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R. A., See, C. H., Khalil, K., & Excell, P. S. (2006, July). Adaptive Meshing For Numerical Antenna Design Using Genetic Algorithms. Poster presented at The 19th UK URSI Colloquium at Cosenor’s- House,, the Rutherford Appleton Laboratory, Abingdon, Oxford, UK

Abstract not available.

Design of broadband slotted ground plane microstrip antenna for 3G communication (2006)
Presentation / Conference Contribution
Abd-Alhameed, R., Ali, N., See, C., Gizas, B., & Excell, P. (2006, May). Design of broadband slotted ground plane microstrip antenna for 3G communication. Presented at 2006 IEEE Mediterranean Electrotechnical Conference (MELECON), Malaga, Spain

Designs for small, lightweight and low profile broadband antennas, able to operate within the 3G frequency band, are proposed and investigated. By inserting different shapes of slot in the ground plane and loading the antenna with high permittivity,... Read More about Design of broadband slotted ground plane microstrip antenna for 3G communication.

Ultra-Wide Bandwidth Curved Surface Square Planar Monopole Antenna (2006)
Presentation / Conference Contribution
See, C. H., Adelowokan, A., Abd-Alhameed, R. A., & Excell, P. S. (2006, March). Ultra-Wide Bandwidth Curved Surface Square Planar Monopole Antenna. Presented at Seventh Informatics Workshop for Research Students, University of Bradford, Bradford, UK

Circularly Polarised Micrsotrip Patch Antennas for Satellite Communications (2005)
Presentation / Conference Contribution
Siddiqui, F., Abd-Alhameed, R., & See, C. (2005, December). Circularly Polarised Micrsotrip Patch Antennas for Satellite Communications. Presented at 2005 Pakistan Section Multitopic Conference, Karachi, Pakistan

A circularly polarised microstrip patch antenna is proposed. The proposed antenna has a simple structure, consisting of a square patch with slots and using microstrip line feeding technique. The antenna design is successfully simulated and physically... Read More about Circularly Polarised Micrsotrip Patch Antennas for Satellite Communications.