Geometric Phase Based Circular Array for Multimode Vortex Beam Generation
Sign Up to like & getrecommendations! Published in 2019 at "Annalen der Physik"
DOI: 10.1002/andp.201900367
Abstract: A geometric phase model for electromagnetic radiating elements is proposed. By rotation of the radiating element, a frequency‐independent geometric phase occurs for circularly polarized components of radiation field along every direction in far field. In… read more here.
Keywords: array; based circular; phase; rotation ... See more keywords
Compact dual-band coupler with independent control of band positions and power-split ratios based on circular patch with DGS
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2017.1330710
Abstract: Abstract In this paper, we propose a novel dual-band coupler based on circular patch structure perturbed with slits, shorting posts and defected ground structures. It is shown that the proposed perturbations allow size reduction and… read more here.
Keywords: band coupler; dual band; independent control; band ... See more keywords
CAF-RRT*: A 2D Path Planning Algorithm Based on Circular Arc Fillet Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3226465
Abstract: To improve the previous versions of Rapidly-exploring Random Trees (RRT) algorithms, a novel algorithm based on Circular Arc Fillet (CAF-RRT*) for path planning problems in two-dimension workspaces is proposed. Firstly, it is implemented by combining… read more here.
Keywords: algorithm based; path; based circular; arc fillet ... See more keywords
Compact Band-Pass Filter Based on a Circular Waveguide with Two T-Shaped Ridges
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Communications Technology and Electronics"
DOI: 10.1134/s1064226919010078
Abstract: Computer simulation and synthesis of waveguide selective devices based on circular waveguides with T-shaped metal ridges have been performed. A method for obtaining the initial approximation for further optimization of their characteristics has been described.… read more here.
Keywords: two shaped; based circular; band pass; pass filter ... See more keywords
Modulus Stretch-Based Circular SAR Imaging with Contour Thinning
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9132728
Abstract: This paper presents a modulus stretch-based circular Synthetic Aperture Radar (SAR) imaging method. This method improves the traditional backprojection algorithm for circular SAR imaging, and introduces the modulus stretch transformation function in the imaging process.… read more here.
Keywords: sar imaging; modulus stretch; based circular; circular sar ... See more keywords