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Title: Reflector antenna with slotted waveguide antenna feed for radar applications
Authors: Koh, Zhe Wei
Keywords: Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Koh, Z. W. (2021). Reflector antenna with slotted waveguide antenna feed for radar applications. Final Year Project (FYP), Nanyang Technological University, Singapore.
Abstract: Radio Detection and Ranging (RADAR) technology has become one of the most invested technology in the world with countless different types of Radar being developed. It plays an important part in both military and civil application. One of the most commonly used civil radar technology up to date sees the attachment of antenna feed to the reflector, normally shaped in a parabolic. However, the cost in implementing, building and operating the reflector antenna is high, thus there is a growing demand in the market for a low cost civil radar application. In this project, High Frequency Structure Simulator (HFSS), a 3D electromagnetic simulation software, is used to simulate common existing antenna reflectors to gain insights of their design parameters which will contribute to designing a new innovative reflector antenna. During the designing process, there are three significant parameters of the reflector antenna that have to be taken care of: the gain, the radiation pattern and the return loss (S11 parameter). These 3 parameters determine whether the subject antenna reflector is a success when compared to existing reflectors. With these parameters in mind and with the aid of a powerful simulation software, a new innovative antenna reflector is created. The newly designed reflector works as a stand-alone reflector which it will be equipped with an Omni-directional antenna feed. Thus it will be able to rotate without having the antenna feed to be rotating as well. With this design, it reduces the complexity of operating the antenna system and also lowers the cost of implementation while achieving beam steering.
Schools: School of Electrical and Electronic Engineering 
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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