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| 2. |
- Cijvat, Pieternella, et al.
(författare)
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A fully integrated 2.45 GHz 0.25 mu m CMOS power amplifier
- 2003
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Ingår i: Proceedings of the 10th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2003.. - : IEEE Press. - 0780381637 ; , s. 1094-1097
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Konferensbidrag (refereegranskat)abstract
- A fully integrated differential class-AB power amplifier has been designed in a 0.25 um CMOS technology. It is intended for medium output power ranges such as Bluetooth class 1, and has an operating frequency of 2.45 GHz. By using two parallel output stages that can be switched on or off, a high efficiency can be achieved for both high and low output power levels. The simulated maximum output power is 22.7 dBm, while the maximum power-added efficiency is 22%.
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| 3. |
- Dahlblom, Ola, et al.
(författare)
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Software for Numerical Simulation of Drying Induced Deformation of Wooden Products
- 2003
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Ingår i: 8th International IUFRO Wood Drying Conference. - : TRANSILVANIA University of Brasov, Faculty of Wood Industry. - 973635198X ; , s. 45-50
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Konferensbidrag (refereegranskat)abstract
- A previously developed computational model for 3D finite element simulations of wood during moisture changes is in the present work provided with a special-purpose graphical user interface. The software is designed to use a personal computer for the graphical user interface and to have possibility to use distributed computational resources for the simulation.
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| 4. |
- Engström, Christian, et al.
(författare)
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A Comparison of two numerical methods for homogenization of Maxwell's equations
- 2004
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Ingår i: Computational Electromagnetics- Methods and Applications (EMB04), Gothenburg, Sweden, October 18-19, 2004. ; , s. 50-57
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Konferensbidrag (refereegranskat)abstract
- When the wavelength is much larger than the typical scale of the microstructure in a material, it is possible to define effective or homogenized material coefficients. The classical way of determination of the homogenized coefficients consists of solving an elliptic problem in a unit cell. This method and the Floquet-Bloch method, where an eigenvalue problem is solved, are numerically compared with respect to accuracy and contrast sensitivity. The Floquet-Bloch method is shown to be a good alternative to the classical homogenization method, when the contrast is modest.
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| 5. |
- Engström, Christian, et al.
(författare)
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Numerical methods for homogenization of Maxwell's equations
- 2004
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Ingår i: URSI 2004 International Symposium on Electromagnetic Theory. - : Pisa University Press. - 8884922526 - 9788884922526 ; , s. 987-989
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Konferensbidrag (refereegranskat)abstract
- When the wavelength is much larger than the typical scale of the microstructure in a material, it is possible to define effective or homogenized material coefficients. Two numerical methods for the determination of the homogenized coefficients are compared. Numerical examples, where extreme properties of the effective material are achieved in the two dimensional case, are presented.
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| 6. |
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| 7. |
- Fridell, Mats, et al.
(författare)
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Comorbidity in heavy drug abuse
- 2004
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Ingår i: Scientific Monograph series 3. - Lisabon : EMCDDA. ; , s. 1-4
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Konferensbidrag (refereegranskat)
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| 8. |
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| 9. |
- Hansson, Petra, et al.
(författare)
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Listening for “Rosengård Swedish”
- 2004
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Ingår i: Proceedings FONETIK 2004. - Stockholm : Institutionen för lingvistik, Stockholms universite. - 9172659017 ; , s. 24-27, s. 24-27
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 10. |
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