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The new 3-D proposed structure has a stop band at 2.45 GHz. This stop band is the operating frequency for common microwave heating devices. The structure is periodic. The infrared emissions are passed through a large enough opening inside the microwave cavity in order to allow the temperature of the object inside to be read by the thermopile installed outside the chamber. Using the FE Eigen analysis...
As the majority of the radio localization applications are adopting the 5.8 GHz band, in this paper, an elliptical slotted patch antenna with a defected ground structure is proposed for wideband Applications. The −10dB S11 bandwidth is 7.8GHz (4.1 GHz to 11.9 GHz).. The effective directional radiation patterns and the large impedance bandwidth has been witnessed from simulation results. The proposed...
This paper presents a comparison between various feeding techniques of a circularly polarized micro-strip antenna design intended to operate at the Global Navigation Satellite Systems (GNSS) frequencies. The proposed antenna is composed of a micro-strip slotted patch antenna printed on a Rogers RO3006 substrate, a foam layer of 2 mm thick. The single feed aperture coupled antenna design consisted...
This paper presents a novel design for an optimized circularly polarized microstrip antenna. Circular polarized microstrip antennas have many uses due to its low profile design. However, one of the microstrip antenna's main limitations arises from its narrow frequency bandwidth. Therefore, it is necessary to use special design techniques in order to increase the operating frequency bandwidth while...
This paper presents a design of a micro-strip circularly polarized antenna intended for the Global Navigation Satellite Systems (GNSS). The presented device is composed of a micro-strip slotted patch antenna printed on a Rogers RO3006 substrate, a foam layer of 2 mm thick and a wideband commercial 3-dB SMT coupler. The combined fullwave antenna results with the measured S-Parameters of the coupler...
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