Microwave Planar Lens Antenna Designed With a Three-Layer Frequency-Selective Surface
نویسندگان
چکیده
منابع مشابه
A Constant Gain Ultra-wideband Antenna with a Multi-layer Frequency Selective Surface
An ultra-wideband (UWB) antenna with a novel multilayer frequency selective surface (FSS) reflector is presented. A significant enhancement in the gain has been achieved in a low profile design while maintaining the excellent impedance bandwidth of the UWB antenna. The average peak gain of the antenna has been increased from 4 dBi to 9.3 dBi as a consequence of the use of the FSS reflector. Mor...
متن کاملSingle - Layer Bandpass Active Frequency Selective Surface
If you believe this document infringes copyright then please contact the KAR admin team with the take-down information provided at http://kar.kent.ac.uk/contact.html Citation for published version Ghaffer, I Kiani. and Ford, Kenneth L. and Esselle, Karu P. and Weily, Andrew R. and Panagamuwa, C. and Batchelor, John C. (2008) Single-Layer Bandpass Active Frequency Selective Surface. Microwave an...
متن کاملSingle-Layer Bandpass Active Frequency Selective Surface
A single-layer, bandpass, active FSS is presented. It shows good angle of incidence stability for TE incidence, at the operating frequency of 2.45 GHz. It is based on circular loop aperture with each unit cell having four PIN diodes. A novel method for dc biasing is used. About 12 dB average variation in transmission loss, between ON and OFF states, has been experimentally achieved at 2.45 GHz.
متن کاملA Compact Miniaturized Frequency Selective Surface with Stable Resonant Frequency
A compact miniaturized frequency selective surface (FSS) with stable resonant frequency is proposed in this letter. The proposed FSS is composed of four spiral triangles connected in the middle of the unit cell, symmetrically. Simulated results show that the dimension of the element is only 0.0558λ0 × 0.0558λ0, and reduction in FSS size is up to 97.7% with respect to conventional cross-dipole F...
متن کاملFrequency-selective surface acoustic invisibility for three-dimensional immersed objects
This paper is focused on the study of acoustic metasurface cloaking, based on the use of appropriate ultrathin pseudo-surfaces that may act as cloaking devices for a finite range of frequencies. The technique consists in tailoring the appropriate acoustic surface impedance which cancels the scattered field of a diffracting spherical obstacle placed in the trajectory of an impinging acoustical w...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Antennas and Wireless Propagation Letters
سال: 2017
ISSN: 1536-1225,1548-5757
DOI: 10.1109/lawp.2016.2614342