美 英 un.双圆极化天线
An antenna includes a waveguide having an aperture at a first end and a conducting component at a second end, the conducting component shorting the waveguide and a first set of two orthogonal dipoles, fed in quadrature, the orthogonal dipoles located near the aperture of the waveguide operating ...
Low-Profile Dual Circularly Polarized Antenna Array for Satellite Communications in the X Band A planar antenna is introduced that works as a portable system for X-band satellite communications. This antenna is low-profile and modular with dimensions... A Garcia-Aguilar,JM Inclan-Alonso,L Vigil-...
5) Circularly polarized antenna 圆极化天线 1. There are inherent contradictions among bandwidth, gain and miniaturization, on the basis of study on key technologies such as miniaturization and wide-band, the structure of circularly polarized antenna is innovated by digging a hole on medium board whi...
Parron: "Dual-Band Circularly Polarized Microstrip Antenna," J. of Electromagn. Waves and Appl. 26 (2012) 737 (DOI: 10.1080/09205071.2012.710802).M. Ramirez and J. Parron: "Dual-band circularly polarized microstrip antenna," J. Electromagn. Waves Appl. 26 (2012) 737 (DOI: 10.1080/...
Full-metal K-Ka dual-band shared-aperture array antenna fed by combined ridge-groove gap waveguide IEEE Antennas Wireless Propag Lett (Jul. 2019) L. Wen et al. Wideband dual circularly polarized antenna for intelligent transport systems Trans Veh Technol (May 2020) J.-D. Zhang et al. Dual...
Low-Profile Dual Circularly Polarized Antenna Array for Satellite Communications in the X Band A G Aguilar,J M Alonso,L V Herrero,et al.Low-profile dual circularly polarized antenna array for satellite communications in the X band[J].IEEE Trans... A Garcia-Aguilar - 《Antennas & Propagation ...
A printed dual-band circularly polarized (CP) antenna is presented. The antenna is composed of a strip monopole on one side of a substrate. On the other side of the substrate, there are a perturbed patch and a slotted ground plane. Two sleeves are extended from two edges of the ground ...
A dual-band circularly polarized antenna fed by four apertures that covers the bands of GPS (L1, L2, L5), Galileo (E5a, E5b, E1, E2, L1), and GLONASS (L1, L3) is introduced. A lotus-shaped aperture is added to optimize the coupling between the microstrip lines and the rings. Thre...
A broadband multibeam endfire dual-circularly polarized (CP) antenna array using dielectric-loaded stepped slot antennas for millimeter-wave (mmWave) applications is proposed. First, a dual-CP endfire antenna element is designed for broadband mmWave applications. Additional loaded dielectric is utilized...