Gerhard Kristensson

Sökresultat

• 2024

  Scattering by a biisotropic obstacle and the properties of the Beltrami spherical vector waves

  Kristensson, G., 2024, I: Mathematical Methods in the Applied Sciences. 47, 16, s. 12405-12422 18 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Null 100%
  • Wave Vector 100%
  • Foci 100%
  • Scattering Problem 50%
  • Completeness 50%
• 2023

  A simple model to validate effective waves in random particulate media: radial symmetry

  Gower, A., Hawkins, S. & Kristensson, G., 2023, I: Royal Society of London. Proceedings A. Mathematical, Physical and Engineering Sciences. 479, 2279

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Symmetry 100%
  • Wave 100%
  • Correlation 33%
  • Spheres 33%
  • Volume 33%

• Stabilization of Evanescent Wave Propagation Operators

  Andersson, M., Sjoberg, D. & Kristensson, G., 2023, I: Progress In Electromagnetics Research B. 101, s. 17-44 28 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Stabilization 100%
  • Scattering Matrix 100%
  • Performance 50%
  • Maps 50%
  • Product 50%
• 2022

  The coherent electromagnetic field and the effect of the pair distribution function

  Kristensson, G., Gustavsson, M. & Wellander, N., 2022, I: Journal of Quantitative Spectroscopy and Radiative Transfer. 285, 108178.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Correlation Function 100%
  • Pair Distribution 100%
  • Electro-Magnetic Field 100%
  • Particle 100%
  • Prediction 50%
• 2021

  Effective waves for random three-dimensional particulate materials

  Gower, A. & Kristensson, G., 2021, I: New Journal of Physics. 23, 6

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Wave 100%
  • Average 100%
  • Geometry 100%
  • Shapes 50%
  • Spheres 50%
• 2020

  The exterior Calderón operator for non-spherical objects

  Kristensson, G., Stratis, I., Wellander, N. & Yannacopoulos, A., 2020, I: SN Partial Differential Equations and Applications. 1, 6, 32 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Operators 100%
  • Eigenvector 33%
  • Quadratic Form 16%
  • Eigenfunction 16%
  • Eigenvalue Problem 16%
• 2019

  Optimal plasmonic multipole resonances of a sphere in lossy media

  Nordebo, S., Kristensson, G., Mirmoosa, M. & Tretyakov, S., 2019, I: Physical Review B. 99, 5, 054301.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Sphere 100%
  • Plasmonics 100%
  • Spheres 100%
  • Multipole 100%
  • Lossy Media 100%
• 2017

  Physical explanation of the SLIPI technique by the large scatterer approximation of the RTE

  Kristensson, E. & Kristensson, G., 2017, I: Journal of Quantitative Spectroscopy and Radiative Transfer. 189, s. 112-125 14 s.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Laser Illumination 100%
  • Scatterer 100%
  • Laser 100%
  • Approximation 100%
  • Approximation (Algorithm) 100%
• 2016

  Multiple scattering by a collection of randomly located obstacles - numerical implementation of the coherent fields

  Gustavsson, M., Kristensson, G. & Wellander, N., 2016, I: Journal of Quantitative Spectroscopy & Radiative Transfer. 185, s. 95-100

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Shapes 100%
  • Spheres 100%
  • Geometry 100%
  • Dielectrics 100%
  • Sphere 100%

• Wave propagation in birefringent materials with off-axis absorption or gain

  Sabooni, M., Nilsson, A., Kristensson, G. & Rippe, L., 2016, I: Physical Review A (Atomic, Molecular and Optical Physics). 93, 1, 013842.

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Wave Propagation 100%
  • Electromagnetic Fields 50%
  • Principal Axis 50%
  • Polarization State 50%
  • Absorption Coefficient 50%
• 2015

  Coherent scattering by a collection of randomly located obstacles --- an alternative integral equation formulation

  Kristensson, G., 2015, I: Journal of Quantitative Spectroscopy & Radiative Transfer. 164, s. 97-108

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Coherent Scattering 100%
  • Integral Equations 100%
  • Integral Equation 100%
  • Approximation (Algorithm) 100%
  • Shapes 66%

• Evaluation of some integrals relevant to multiple scattering by randomly distributed obstacles

  Kristensson, G., 2015, I: Journal of Mathematical Analysis and Applications. 432, 1, s. 324-337

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Spherical Wave 100%
  • Recursion 66%
  • Operators 33%
  • Scattering Problem 33%
  • Finite Sum 33%

• Some a priori estimates of solutions to the Maxwell equations

  Kristensson, G. & Wellander, N., 2015, I: Mathematical Methods in the Applied Sciences. 38, 11, s. 2194-2215

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Priori Estimate 100%
  • Operators 50%
  • Sphere 50%
  • Electro-Magnetic Field 50%
  • Constitutive Relation 50%
• 2014

  Estimates of scattered electromagnetic fields

  Wellander, N. & Kristensson, G., 2014, I: Mathematical Methods in the Applied Sciences. 37, 2, s. 167-172

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Electro-Magnetic Field 100%
  • Exterior Domain 50%
  • Sup-Norm 50%

• Radome diagnostics - source reconstruction of phase objects with an equivalent currents approach

  Persson, K., Gustafsson, M., Kristensson, G. & Widenberg, B., 2014, I: IEEE Transactions on Antennas and Propagation. 62, 4, s. 2041-2051

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Radome 100%
  • Phase Shift 25%
  • Performance 12%
  • Wavelength 12%
  • Dielectrics 12%
• 2013

  Calculation of antenna radiation center using angular momentum

  Fridén, J. & Kristensson, G., 2013, I: IEEE Transactions on Antennas and Propagation. 61, 12, s. 5923-5930

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Antenna 100%
  • Radiation 100%
  • Field Pattern 50%
  • Compute 25%
  • Spherical Wave 25%

• Electromagnetic scattering by a bounded obstacle in a parallel plate waveguide

  Kristensson, G., 2013, I: Journal of Quantitative Spectroscopy & Radiative Transfer. 123, s. 92-102

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Scattering 100%
  • Parallel Plate 100%
  • Waveguide 100%
  • Electromagnetic Scattering Problem 100%
  • Geometry 33%

• Source reconstruction by far-field data for imaging of defects in frequency selective radomes

  Persson, K., Gustafsson, M., Kristensson, G. & Widenberg, B., 2013, I: IEEE Antennas and Wireless Propagation Letters. 12, s. 480-483

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Defects 100%
  • Radome 100%
  • Images 14%
  • Field Measurement 14%
  • Selective Surface 14%
• 2012

  Forward scattering of loaded and unloaded antennas

  Gustafsson, M., Bach Andersen, J., Kristensson, G. & Frolund Pedersen, G., 2012, I: IEEE Transactions on Antennas and Propagation. 60, 12, s. 5663-5668

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Scattering 100%
  • Antenna 100%
  • Antenna Structure 33%
  • Matched Antenna 33%
  • Antenna Performance 20%

• On the well-posedness of the Maxwell system for linear bianisotropic media

  Ioannidis, A., Kristensson, G. & Stratis, I., 2012, I: SIAM Journal on Mathematical Analysis. 44, 4, s. 2459-2473

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Maxwell System 100%
  • Strongly Continuous Semigroup 50%

• The polarizability and the capacitance change of a bounded object in a parallel plate capacitor

  Kristensson, G., 2012, I: Physica Scripta. 86, 3

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Polarizability 100%
  • Parallel Plate Capacitor 100%
  • Integral Representation 50%
  • Null 50%
  • Capacitor 50%
• 2011

  On the relation between optimal wideband matching and scattering of spherical waves

  Nordebo, S., Bernland, A., Gustafsson, M., Sohl, C. & Kristensson, G., 2011, I: IEEE Transactions on Antennas and Propagation. 59, 9, s. 3358-3369

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Bounds 100%
  • Waves 100%
  • Reflection Coefficient 66%
• 2010

  Reconstruction and visualization of equivalent currents on a radome using an integral representation formulation

  Persson, K., Gustafsson, M. & Kristensson, G., 2010, I: Progress In Electromagnetics Research B. 20, s. 65-90

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Visualization 100%
  • Radome 100%
  • Antenna 100%
  • Theorem 100%
  • Integral Equations 100%

• The propagation problem in a bi-isotropic waveguide

  Ioannidis, A., Kristensson, G. & Sjöberg, D., 2010, I: Progress In Electromagnetics Research B. 19, s. 21-40

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång
• 2009

  Application of gain-bandwidth bounds on loaded dipoles

  Derneryd, A., Gustafsson, M., Kristensson, G. & Sohl, C., 2009, I: IET Microwaves, Antennas & Propagation. 3, 6, s. 959-966

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Gain Bandwidth 100%
  • Static Field 33%
  • Gain-Bandwidth Product 33%

• Illustrations of new physical bounds on linearly polarized antennas

  Gustafsson, M., Sohl, C. & Kristensson, G., 2009, I: IEEE Transactions on Antennas and Propagation. 57, 5, s. 1319-1327

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

• On the dispersion equation for a homogeneous, bi-isotropic waveguide of arbitrary cross-section

  Ioannidis, A., Kristensson, G. & Sjöberg, D., 2009, I: Microwave and Optical Technology Letters. 51, 11, s. 2701-2705

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Shapes 100%

• Spherical Vector Wave Expansion of Gaussian Electromagnetic Fields for Antenna-Channel Interaction Analysis

  Alayon Glazunov, A., Gustafsson, M., Molisch, A., Tufvesson, F. & Kristensson, G., 2009, I: IEEE Transactions on Antennas and Propagation. 57, 7, s. 2055-2067

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång
• 2008

  A scattering and absorption identity for metamaterials: experimental results and comparison with theory

  Sohl, C., Larsson, C., Gustafsson, M. & Kristensson, G., 2008, I: Applied Physics Reviews. 103, 5, s. 054906:1-5

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Paper 100%
  • Metamaterial 100%
  • Model 50%
  • Target 50%
  • Foci 50%
• 2007

  Nu startar projekt Skånes Mossor!

  Tyler, T., Cronberg, N., Kristensson, G., Nilsson, N.-O., Olsson, K.-A., Sandkull, B. & Rosengren, F., 2007, I: Botaniska Notiser. 140, 2, s. 1-6

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Bryophyte 100%
  • Area 40%
  • Flora 40%
  • Internet 40%
  • Professionals 20%

• Physical limitations on antennas of arbitrary shape

  Gustafsson, M., Sohl, C. & Kristensson, G., 2007, I: Royal Society of London. Proceedings A. Mathematical, Physical and Engineering Sciences. 463, 2086, s. 2589-2607

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Antenna 100%
  • Limitations 100%
  • Shapes 100%
  • Geometry 100%
  • Antennas 100%

• Physical limitations on broadband scattering by heterogeneous obstacles

  Sohl, C., Gustafsson, M. & Kristensson, G., 2007, I: Journal of Physics A: Mathematical and Theoretical. 40, 36, s. 11165-11182

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Scattering 100%
  • Calculation 33%
  • Shapes 33%
  • Forward Scattering 33%

• Physical limitations on metamaterials: restrictions on scattering and absorption over a frequency interval

  Sohl, C., Gustafsson, M. & Kristensson, G., 2007, I: Journal of Physics D: Applied Physics. 40, 22, s. 7146-7151

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Constriction 100%
  • Metamaterial 100%
  • Foci 25%
  • Scattering 25%
  • Forward Scattering 25%

• The integrated extinction for broadband scattering of acoustic waves

  Sohl, C., Gustafsson, M. & Kristensson, G., 2007, I: Journal of the Acoustical Society of America. 122, 6, s. 3206-3210

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Scattering 100%
  • Acoustics 100%
  • Broadband 100%
  • Acoustic Wave 100%
  • Materials Property 100%
• 2006

  Impact of matching network on bandwidth of compact antenna arrays

  Lau, B. K., Bach Andersen, J., Kristensson, G. & Molisch, A., 2006, I: IEEE Transactions on Antennas and Propagation. 54, 11, s. 3225-3238

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  Fil

  • array antenna 100%
  • Matching Network 100%
  • Antenna Arrays 100%
  • Antennas 60%
  • Bandwidth Efficiency 60%
  277 Nedladdningar (Pure)
• 2005

  A Floquet-Bloch Decomposition of Maxwell's Equations Applied to Homogenization

  Sjöberg, D., Engström, C., Kristensson, G., Wall, D. J. N. & Wellander, N., 2005, I: Multiscale Modeling & Simulation. 4, 1, s. 149-171

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Fil

  • Maxwell's Equation 100%
  • Maxwell Equation 100%
  • Product 50%
  • Wavelength 50%
  • Material Parameter 50%
  443 Nedladdningar (Pure)

• Homogenization of corrugated interfaces in electromagnetics

  Kristensson, G., 2005, I: Progress in Electromagnetics Research-Pier. PIER 55, s. 1-31

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Surface 100%
  • Homogenization 100%
  • Two Dimensional 50%
  • Illustrates 50%

• Two-antenna receive diversity performance in indoor environment

  Bolin, T., Derneryd, A., Kristensson, G., Plicanic, V. & Ying, Z., 2005, I: Electronics Letters. 41, 22, s. 1205-1206

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Performance 100%
  • Environment 100%
  • Antenna 66%
  • Basestation 33%
  • Data Mode 33%
• 2004

  Antenna signal correlation and its relation to the impedance matrix

  Derneryd, A. & Kristensson, G., 2004, I: Electronics Letters. 40, 7, s. 401-402

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Termination Load 100%
  • Balance Concept 100%
  • Power Balance 100%

• Propagators and Scattering of Electromagnetic Waves in Planar Bianisotropic Slabs - An Application to Frequency Selective Structures

  Kristensson, G., Poulsen, S. & Rikte, S., 2004, I: Progress in Electromagnetics Research-Pier. PIER 48, s. 1-25

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Transmission Line Theory 100%
  • Supporting Slab 100%
  • Numerical Computational Method 100%

• Signal correlation including antenna coupling

  Derneryd, A. & Kristensson, G., 2004, I: Electronics Letters. 40, 3, s. 157-159

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Antenna 100%
  • Mutual Coupling 66%
  • Characteristics 33%
  • Antenna Element 33%
  • Compute 33%
• 2003

  Homogenization of spherical inclusions

  Kristensson, G., 2003, I: Progress in Electromagnetics Research-Pier. PIER 42, s. 1-25

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Sphere 100%
  • Relative Permittivity 100%
  • Spherical Coordinate 100%
  • Rayleigh's Formula 50%
  • Translation Property 50%

• Homogenization of the Maxwell Equations at Fixed Frequency

  Wellander, N. & Kristensson, G., 2003, I: SIAM Journal on Applied Mathematics. 64, 1, s. 170-195

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Fil

  • Maxwell's Equation 100%
  • Anisotropic 50%
  • Microstructure 50%
  • Incident Field 50%
  • Scale Convergence 50%
  389 Nedladdningar (Pure)

• Homogenization of the Maxwell equations in an anisotropic material

  Kristensson, G., 2003, I: Radio Science. 38, 2, s. VIC 19-1-VIC 19-8

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Anisotropic 100%
  • Maxwell's Equation 100%
  • Homogenization 100%
  • Anisotropic Material 100%
  • Magnetic Parameter 100%

• Radiation efficiency and surface waves for patch antennas on inhomogeneous substrates

  Kristensson, G., Waller, P. & Derneryd, A., 2003, I: IEE Proceedings - Microwaves Antennas and Propagation. 150, 6, s. 477-483

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Substrates 100%
  • Radiation Efficiency 100%
  • Characteristics 16%
  • Antenna 16%
  • Dispersion Curve 16%
• 2002

  Scattering from a frequency selective surface supported by a bianisotropic substrate

  Kristensson, G., Åkerberg, M. & Poulsen, S., 2002, I: Progress in Electromagnetics Research-Pier. PIER 35, s. 83-114

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  Öppen tillgång

  • Scattering 100%
  • Substrates 100%
  • Selective Surface 100%
  • Surface 100%
  • Anisotropic 20%
• 2001

  Optimal electromagnetic measurements

  Cheney, M. & Kristensson, G., 2001, I: Journal Electromagnetic Waves and Applications. 15, 10, s. 1323-1336

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Half Spaces 100%
  • Half Space 100%
  • Incident Field 66%
  • Measuring Instrument 50%
  • Scattering 50%

• Propagation in bianisotropic media-reflection and transmission

  Rikte, S., Kristensson, G. & Andersson, M., 2001, I: IEE Proceedings - Microwaves Antennas and Propagation. 148, 1, s. 29-36

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Transmissions 100%
  • Illustrates 50%
  • Electric Field 50%
  • Coordinate 50%
  • Numerical Computation 50%

• Transient electromagnetic wave propagation in laterally discontinuous, dispersive media

  Egorov, I., Kristensson, G. & Weston, V. H., 2001, I: Wave Motion. 33, 1, s. 67-77

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Plane 100%
  • Transients 100%
  • Wave Propagation 100%
  • Electromagnetic Radiation 100%
  • Electromagnetic Wave 100%
• 1999

  Homogenization of woven materials

  Rikte, S., Andersson, M. & Kristensson, G., 1999, I: AEÜ - International Journal of Electronics and Communications. 53, 5, s. 261-271

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Homogenization 100%
  • Dimensional Vector 100%
  • Mixture Component 100%
  • Direction 100%
  • Materials Property 50%