Design synthesis formulae of microstrip line with aperture ground plane

• Main Author: Hyder, Mirzan
• Other Authors: Arokiaswami Alphones
• Format: Final Year Project
• Language: English
• Published: Nanyang Technological University 2024
• Subjects: Engineering
• Online Access: https://hdl.handle.net/10356/176840
• Institution: Nanyang Technological University

The creative project "Design Synthesis Formulas of Microstrip Line with Aperture Ground Plane" represents a major advancement in the design and optimisation of microstrip antennas in the field of microwave and radio frequency (RF) engineering. The integration of ground plane apertures to improve the performance characteristics of microstrip lines, a crucial part of high-frequency circuit designs—has been the subject of this extensive research project. The research has painstakingly blended modelling, theoretical analysis, and real-world testing to push antenna technology forward and meet the changing needs of contemporary radar and telecommunications systems. Microstrip lines are essential to the infrastructure of wireless communication devices, radar technology, and telecommunications. Acknowledging the shortcomings of conventional microstrip designs, this research started investigating ground plane aperture changes. These changes provide previously unheard-of control over the characteristic impedance and effective dielectric constant of the microstrip lines by introducing controlled disruptions in the distribution of the electromagnetic field. This invention not only makes it easier to build components with improved signal integrity over a wider frequency range, but it also helps with component miniaturisation, which is essential in today's electronics because space is limited. The creation of design synthesis formulae that precisely forecast the effect of aperture alterations on microstrip line performance was the main goal of this research. The research demonstrated a thorough integration of theoretical insights with practical applications by rigorously validating theoretical models against empirical data through the implementation of powerful simulation tools such as CST Studio Suite 21. The project's accomplishments include the successful modelling of antenna designs, the validation of aperture adjustments' efficacy in attaining broadband operation, and enhanced performance metrics, including S11 values below -10 dB. Notwithstanding difficulties obtaining materials and accessing equipment, the project's conclusions has a significant impact on the field of microwave engineering. The research yielded design guidelines and recommendations that offer a strong basis for engineers and researchers who wish to take advantage of aperture adjustments in microstrip ground plane designs.