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This paper presents the design of high gain compact size pyramidal horn lens antenna for 71–76GHz band. The horn antenna aperture is covered by a planar single layer all dielectric lens that is composed of two dimensional periodic unit cells of λ/2 periodicity and low loss (≤1dB). The unit cell is used to design a 21 unit cell × 21 unit cell flat lens which occupied an area of 42mm × 42mm × 4.35mm...
A broadband Ku-band lens horn antenna for airborne SAR applications is presented in the paper. Several design equations, which create the geometric relation between the lens and the horn, are deduced, so the independent design variables are reduced, and the parametric sweep results can be obtained quickly in HFSS. Simulated results show that the antenna is less than 200mm in height, and its gain is...
This paper presents investigation of novel circular polarized broadband clover leaf shaped antenna and classic twin dipole antenna mounted on lens for terahertz range. Compact, circular polarized broadband clover leaf antenna covering frequency band of 100–400 GHz, possessing properties of constant impedance and symmetric patterns, is quite new for terahertz detection. A twin dipole antenna is also...
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