Using a coplanar waveguide (CPW) feed with a short-circuiting stub, the fed circular slot antenna for W-band operation is presented. The obtained results show that the impedance bandwidth, which is determined by 10 dB return-loss of the proposed slot antenna, can reach to 21% with the ...
W-band antenna; broadband antenna; fed circular slot antenna; CPW fed; planar antenna; GaAs substrate Abstract Using a coplanar waveguide (CPW) feed with a short-circuiting stub, the fed circular slot antenna for W-band operation is presented.The obtained results show that the impedance bandwidt...
The present invention relates to a circular polarizer connected to a primary radiator of a parabolic antenna sharing two frequency bands, and particularly to a circular polarizer provided at an outer waveguide for a low frequency band in waveguides of the coaxial structure connected to a primary rad...
摘要: According to the analyses of the moding properties of circular groove guide, the guide dimension for single mode operation is determined. Our results show that circular groove guide has the advantage of wide band.关键词: Theoretical or Mathematical/ circular waveguides waveguide theory/ ...
Raj. Kumar, P.N. Chaubey and I. Srikant, "On the design of UWB circular fractal antenna with notched-band characteristics using W-shape slot", J. Microw. Optoelectron. Electromagn. Appl, vol. 11, pp. 230-241, December. 2012.Kumar R., Chaubey P.N., Srikant I. On the design of ...
The antenna compo... M. F. Ismail,MKA Rahim,M. R. Hamid,... - Eucap 被引量: 7发表: 2013年 Base-plate integration waveguide harmonic oscillation type gap array circular-polarization antenna A substrate-integrated waveguide resonant slit array circular polarization antenna relates to a circular...
Next, the case where only the dielectric plate3is disposed inside the waveguide1will be taken as another reference example. As shown in FIG. 9C, in the wide band frequency range between the frequency fc and the frequency 2 fc, as the frequency f increases from the frequency fc to the fre...
A simple circular-polarized antenna: Circular waveguide horn coated with lossy magnetic material It is shown that a circular waveguide horn coated with a lossy material in its interior wall can be used as an alternative to a corrugated waveguide for ra... Lee, C.S,Lee, S.-W - 《IEEE Tra...
- International Conference on Antenna Theory & Techniquesconference on Ukrainian Microwave Week 被引量: 0发表: 2020年 Transmission Characteristics of Dielectric-Coated Metallic Hollow Waveguide at W-Band We analyze and compare the transmission characteristics of the metallic hollow waveguides and dielectric...
Low Sidelobe Slot Array Antenna Radiating Monopulse Patterns Based on Groove‐Transform‐Ridge Gap Waveguide In this paper, a W‐band unequal power divider is proposed on the basis of groove‐to‐ridge gap waveguide, and it is employed to design a low sidelobe lev... L Li,H Gao,B Zhang,...