Search for dissertations about: "thesis topic in microwave"

Showing result 1 - 5 of 17 swedish dissertations containing the words thesis topic in microwave.

2. 1. Device Technology Based on High Temperature Superconductors and Microwave Breakdown in Gases

   Author : Martin Löfgren; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; distortion; penetration depth; surface resistance; transmit-receive switch; coupled-grain model; high-power; microwave; pulse; surface impedance; breakdown; propagation; modulator; air; superconductor; transmission line; resonator; coplanar waveguide; plasma;

   Abstract : This thesis deals with two separate fields of microwave technology. The first section treats microwave characterization and applications of high temperature superconducting (HTS) thin films, while the second section treats microwave breakdown in transmit-receive (TR) switches and in air. Within the first section, four main topics are adressed. READ MORE

4. 2. Analysis of Industrial Microwave Ovens

   Author : Magnus Sundberg; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; source model; heat transfer; moment method; finite difference time domain; TM applicator; GMT; edge diffraction; thermal simulation; MMP; FDTD; generalized multipole technique; cost function; MM; optimization; magnetron; simulated annealing; multiple multipole program; microwave heating; edge overheating; TE applicator; tunnel-oven; applicator;

   Abstract : This thesis deals with the analysis and design of microwave ovens used in the food industry. Such analysis is desirable in order to optimize the performance of the ovens and to reduce the time and expenses of developing new or improved ovens. READ MORE

5. 3. RF-microwave sensor development for cell and human in vitro and ex vivo monitoring

   Author : Joni Kilpijärvi; Jari Juuti; Kajsa Uvdal; Anita Lloyd Spetz; Karol Malecha; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cell culture monitoring; Lab-on-a-chip; Low temperature co-fired ceramic LTCC ; Microwave sensor; Interdigitated electrode IDE ; Complementary split ring resonator CSRR ; Dielectric properties; Health monitoring; Soluviljelmä monitorointi; Lab-on-a-chip; Matalan lämpötilan yhteissintrautuva keraami LTCC ; Mikroaaltoanturi; Interdigitated electrode IDE ; Complementary split ring resonator CSRR ; Dielektriset ominaisuudet; Terveys monitorointi; Övervakning av cellodling; Lab-on-a-chip; Låg temperatur keramik LTCC ; Mikrovågssensor; Interdigitated electrode IDE ; Complementary split ring resonator CSRR ; Dielektrisk mätning; Hälsoövervakning; Mikrovågssensor;

   Abstract : In this research new RF/microwave-based sensor solutions were developed for the monitoring of biological cells and human beings to obtain a better understanding of their activity or state in a quick, cheap, easy and continuous way. The effect of different substances on cell behaviour can be monitored by measuring the electrical environment where changes are observed as cells react to a stimulus. READ MORE

6. 4. Microwave Gaussian quantum metrology

   Author : Robert Jonsson; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Quantum Fisher Information; Bosonic channel; Quantum Sensing; Gaussian; Quantum Radar;

   Abstract : With increasingly sensitive measurements being made possible by technological development, there arises situations where the effects of quantum mechanics have to be taken into account. While quantum mechanics tells us that there are fundamental limits of measurement sensitivity, it also gives us the tools to constructively push the same limits for experimental systems. READ MORE

7. 5. Measurement System for Microwave Imaging Towards a Biomedical Application

   Author : Nikola Petrović; Ekström Mikael; Magnus Otterskog; Christian Pichot; Mälardalens högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Microwave imaging; antenna applicator; data acquisition; nonlinear inverse scattering; elektronik; Electronics;

   Abstract : Microwave imaging techniques have shown excellent capabilities in various fields such as civil engineering, nondestructive testing, industrial applications, and have in recent decades experienced strong growth as a research topic in biomedical diagnostics. Many research groups throughout the world work on prototype systems for producing images of human tissues in different biomedical applications, particularly breast tumor detection. READ MORE