Essays about: "electromagnetic"

Showing result 16 - 20 of 451 essays containing the word electromagnetic.

1. 16. Towards a setup for narrowband terahertz generation through difference-frequency mixing of chirped ultrashort pulses

   University essay from Lunds universitet/Atomfysik; Lunds universitet/Fysiska institutionen

   Author : Isa Clementsson; [2023]
   Keywords : Physics and Astronomy;

   Abstract : Terahertz radiation is a useful tool for inducing lower-energy excitations in matter, where it can be used to cause structural changes through direct interaction with the crystal lattice. Sub-picosecond optical pulses can be used to generate intense broadband terahertz pulses through optical rectification in nonlinear crystals, reaching peak electric fields of several MV/m and conversion efficiencies as high as a few percent. READ MORE

3. 17. Phenomenological exploration of flavored Grand Unification through high-scale matching and renormalization group flow

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Teoretisk partikelfysik - Geonomgår omorganisation

   Author : Hector Tiblom; [2023]
   Keywords : Grand Unification; GUT; trinification; spontaneous symmetry breaking; effective field theory; EFT; high-scale matching; renormalization group flow; Physics and Astronomy;

   Abstract : The phenomenological success of the Standard Model (SM), and its unification of the electromagnetic and weak forces has inspired the search for a Grand Unified Theory (GUT), that dynamically reduces to the SM at low energies. In this work, we consider one such GUT, based on the trinification model [SU(3)]³ with an additional local SU(2) family symmetry, that is then broken directly to the gauge symmetry group of the SM. READ MORE

4. 18. Electromagnetic Compatibility (EMC) test in an Open Area

   University essay from Luleå tekniska universitet/Rymdteknik

   Author : Nair Samira; [2023]
   Keywords : EMC; EMC Aircraft; EMC Spacecraft; EMC standard;

   Abstract : Electromagnetic compatibility (EMC) is a very important and increasingly relevant technology in use and is closely related to many technologies such as automobiles and aerospace industry technology including aircraft and spacecraft. Achieving electromagnetic compatibility between equipment inside the device is more than necessary to avoid the problem of interference leading to serious problems. READ MORE

5. 19. Simulation and Testing of a MU-MIMO Beamforming System

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Nazyar Mehdishishavan; Zonghan Wang; [2023]
   Keywords : Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

   Abstract : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. READ MORE

6. 20. Side-channel information and electromagnetic leakage: investigation at a microstrip design level

   University essay from Högskolan i Halmstad/Akademin för informationsteknologi

   Author : Niklas Dymne; Kasper Sjöström; [2023]
   Keywords : ;

   Abstract : The number of IoT devices is increasing all over the world. As with any electrical device, they emit electromagnetic emissions. These emissions pose a security threat when it comes to electromagnetic side-channel attacks. READ MORE