Search for dissertations about: "Microwaves"

Showing result 16 - 20 of 61 swedish dissertations containing the word Microwaves.

  2. 16. Reconfigurable Impedance Matching Networks for Radio Receivers

    Author : Peter Sjöblom; Institutionen för elektro- och informationsteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Telekommunikationsteknik; Telecommunication engineering; Elektronik; Electronics; reconfigurable matching; switched capacitor; antenna tuning unit; impedance tuning unit; High frequency technology; Elektroteknik; microwaves; Högfrekvensteknik; mikrovågor;

    Abstract : Mobile phones become smaller but include more advanced functions for every new generation. This paradox is possible since reduced transistor size and increased integration of digital building blocks free space for new functions. READ MORE

  4. 17. Classical and Quantum Correlations in Microwave Frequency Combs

    Author : Shan Williams Jolin; David B. Haviland; Pertti Hakonen; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Josephson junctions; parametric amplifiers; multipartite entanglement; microwaves; frequency comb; Gaussian states; bichromatic pump; surface acoustic waves; IQ mixer; fully inseparable states; superconducting circuits; hybrid circuits; intermodulation; nonlinear resonators; Material and Nano Physics; Material- och nanofysik;

    Abstract : Denna avhandling undersöker korrelationer i frekvensdomänen, av både klassiskt och kvantmekaniskt ursprung, i icke-linjära mikrovågskretsar. Syftet är att utveckla en kompakt metod för att generera kvantmekaniska korrelationer mellan harmoniska oscillatorer (s.k. READ MORE

  5. 18. Property predictions of wood using microwaves

    Author : Jan Johansson; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Träteknik; Wood Technology;

    Abstract : Internal properties of wood are an area of great interest in the worldwide wood industry. Higher demands on quality and productivity create needs for cheap and fast non-destructive methods for measuring the internal properties of wood. READ MORE

  6. 19. Novel tantalate-niobate films for microwaves

    Author : Jang-Yong Kim; Alex Grishin; Andrey B. Kozyrev; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ferroelectrics; sodium potassium niobates; silver tantalate niobate; barium stronitium titanate; Electronics; Elektronik;

    Abstract : Microwave materials have been widely used in a variety of applications ranging from communication devices to military satellite services, and the study of materials properties at microwave frequencies and the development of functional microwave materials have always been among the most active areas in solid-state physics, materials science, and electrical and electronic engineering. In recent years, the increasing requirements for the development of high speed, high frequency circuits and systems require complete understanding of the properties of materials function at microwave frequencies. READ MORE

  7. 20. Prospective Applications of Microwaves in Medicine : Microwave Sensors for Orthopedic Monitoring and Burn Depth Assessment

    Author : Syaiful Redzwan Mohd Shah; Robin Augustine; Taco Johan Blokhuis; Luca Roselli; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Microwave sensors; split ring resonator; biomedical application; orthopedics; lower extremity injuries; craniosynostosis; burn assessment; clinical measurements; tissue dielectric properties; phantom; Engineering Science with specialization in Microwave Technology; Teknisk fysik med inriktning mot mikrovågsteknik;

    Abstract : In recent years, the use of microwave techniques for medical diagnostics has experienced impressive developments. It has demonstrated excellent competencies in various modalities such as using non-ionizing electromagnetic waves, providing non-invasive diagnoses, and having the ability to penetrate human tissues within the GHz range. READ MORE