Essays about: "ebg"

Showing result 1 - 5 of 7 essays containing the word ebg.

1. 1. Geodesic Lens Antenna for sub-THz Imaging

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Joan Mitjans i Blasco; [2021]
   Keywords : ;

   Abstract : The Millimiter Wave (mmW) frequency band, characterized by a high atmospheric attenuation and wide available bandwidth has become of big interest for high accuracy radar imaging applications. The continuous development of the Monolithic Microwave Integrated Circuit (MMIC) technology yields to the appearance of different commercial-off-the-shelf (COTS) radar transceivers at that frequency band, where the antennas are fully integrated into the chip. READ MORE

3. 2. Glide-symmetric Holey EBG Filter Using Multiple Unit Cell Designs

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Gustav Eliasson; Lucas Åkerstedt; [2021]
   Keywords : Glide symmetry; waveguide filter; 5G; Electric band gap; unit cell; coaxial cable; holey structures; mm-wave;

   Abstract : There are more connected wireless devices than everbefore and with the rise of new smart systems such as self-drivingcars and smart cities new antenna solutions for transmittingsignals are needed. One important part of these systems is thefilters which filter out all the unwanted signals. READ MORE

4. 3. Low-dispersive Leaky-wave Antennas: A Viable Approach for Fifth Generation (5G) mmWave Base Station Antennas

   University essay from KTH/Elektroteknisk teori och konstruktion

   Author : Oskar Dahlberg; [2019]
   Keywords : ;

   Abstract : In this work, a method to achieve reduced beam-squint in fully metallic leaky-wave antennas is proposed and its applicability for high frequency, high gain, base station antennas in future communication networks is indicated. The antenna is built in gap waveguide technology, where the fundamental mode is allowed to leak by removal of one of the waveguide walls. READ MORE

5. 4. Leakage Suppression for PCB-Waveguide Interconnects Using Hybrid Metasurfaces

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : David Gonzalez Gallardo; [2019]
   Keywords : ;

   Abstract : A metasurface is a two dimensional periodic structure which possessesmacroscopic equivalent electromagnetic properties such as anisotropy, negativerefractive index and Electromagnetic Band Gaps (EBG). EBGs havebeen used for the design of waveguide lters and gap waveguides. READ MORE

6. 5. Wireless communication using metasurfaces for condition monitoring in motor

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Neelu Kambisseri Roby; [2018]
   Keywords : Gap waveguide; metasurface; holey electromagnetic band gap EBG structures; periodic structures; parallel plate mode.; Gap vågledare; metaytor; håliga elektromagnetiskta bandgap-strukturer EBG ; periodiska strukturer; parallellplattform.;

   Abstract : Wireless sensors are used widely for condition monitoring in electric machines. The metal enclosure of an electric motor restricts the signal from sensors to radiate outside. The signal from the metal cavity needs to be guided to the only opening in the enclosure, through a narrow gap between the stator and the rotating rotor. READ MORE