Gerhard Kristensson

Sökresultat

• 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

  • Pair Correlation Function 100%
  • Pair Distribution Function 92%
  • Electromagnetic Field 87%
  • entry 72%
  • Field Effect 66%
• 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

  • particulates 100%
  • microstructure 35%
  • geometry 22%
  • wave scattering 21%
  • frequency ranges 15%
• 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

  • Object 100%
  • Operator 69%
  • Eigenvalues and eigenfunctions 51%
  • Norm 44%
  • Laplace-Beltrami Operator 43%
• 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

  • lossy media 100%
  • multipoles 68%
  • Mie scattering 39%
  • theorems 29%
  • quadrupoles 29%
• 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

  • imaging techniques 100%
  • Illumination 91%
  • illumination 78%
  • approximation 53%
  • scattering 52%
• 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

  • Slab Like Crystal 100%
  • Wavenumber 91%
  • Dielectric Material 77%
  • Sphere 74%
  • Shape 57%

• 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%
  • polarization 63%
  • crystals 28%
  • narrowband 26%
  • absorptivity 25%
• 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%
  • Slab Like Crystal 92%
  • integral equations 73%
  • Electromagnetic Wave 56%
  • formulations 56%

• 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

  • Multiple Scattering 100%
  • Multiple scattering 99%
  • Fourier transforms 65%
  • Fourier transform 57%
  • Recursion Relations 55%

• 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

  • Maxwell equations 100%
  • Maxwell's equations 83%
  • Electromagnetic fields 81%
  • A Priori Estimates 77%
  • Constitutive Relations 49%
• 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

  • Electromagnetic Fields 100%
  • Electromagnetic fields 90%
  • Scattering 82%
  • Norm 52%
  • Estimate 40%

• 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

  • Radomes 100%
  • Phase shift 22%
  • Integral equations 10%
  • Tapes 10%
  • Wavelength 9%
• 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 radiation 100%
  • Angular momentum 90%
  • Antennas 44%
  • Radiation 36%

• 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

  • electromagnetic scattering 100%
  • parallel plates 89%
  • Plate Like Crystal 67%
  • Electromagnetic Wave 59%
  • waveguides 57%

• 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

  • Radomes 100%
  • Imaging techniques 55%
  • Defects 49%
  • Frequency selective surfaces 15%
• 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

  • Forward scattering 100%
  • Antennas 39%
  • Cylindrical antennas 24%
  • Dipole antennas 18%
  • Directional patterns (antenna) 16%

• 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

  • Integrodifferential equations 100%
  • Hilbert spaces 92%
  • Maxwell System 89%
  • Neutral Equation 88%
  • Constitutive Relations 86%

• 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

  • Capacitor 100%
  • Capacitance 97%
  • parallel plates 75%
  • capacitors 63%
  • capacitance 58%
• 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

  • Scattering 100%
  • Tuning 20%
  • Networks (circuits) 14%
• 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

  • radomes 100%
  • Radomes 92%
  • Decomposition Temperature 66%
  • Visualization 51%
  • formulations 45%

• 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

  • Bandwidth 100%
  • Antennas 61%
  • Dipole antennas 38%
  • Acoustic impedance 23%

• 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

  • Waveguides 100%
  • Helmholtz equation 71%
  • waveguides 65%
  • Helmholtz equations 59%
  • propagation 57%

• 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

  • extinction 100%
  • radar cross sections 77%
  • scattering 60%
  • sum rules 59%
  • theorems 49%
• 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

  • Bryophyta 100%
  • flora 37%
  • environmental knowledge 30%
  • botanists 29%
  • Sweden 21%

• 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%
  • antennas 71%
  • Bandwidth 56%
  • Antennas 53%
  • dyadics 52%

• 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

  • Broadband 100%
  • Extinction 70%
  • Scattering 65%
  • Forward scattering 56%
  • broadband 49%

• 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

  • Metamaterials 100%
  • Permittivity 93%
  • Scattering 79%
  • constrictions 75%
  • Permeability 67%

• 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

  • Extinction 100%
  • Acoustics 74%
  • Material Properties 72%
  • extinction 66%
  • Waves 63%
• 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

  • Antenna arrays 100%
  • Bandwidth 66%
  • Antennas 58%
  • Dipole antennas 18%
  • Power spectrum 16%
  125 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

  • Bloch Waves 100%
  • Maxwell equations 81%
  • Homogenization 73%
  • Maxwell's equations 68%
  • homogenizing 67%
  330 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

  • dyadics 100%
  • homogenizing 81%
  • electromagnetism 56%
  • slabs 33%
  • impedance 29%

• 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

  • Antennas 100%
  • Base stations 67%
• 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

  • Acoustic impedance 100%
  • Antennas 88%

• 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

  • Electromagnetic waves 100%
  • Scattering 88%
  • slabs 81%
  • electromagnetic radiation 78%
  • Metals 60%

• 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

  • Acoustic impedance 100%
  • Antennas 88%
• 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

  • homogenizing 100%
  • inclusions 75%
  • Permittivity 48%
  • spherical coordinates 29%
  • dipoles 17%

• 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 equations 100%
  • Maxwell's equations 83%
  • Homogenization 79%
  • Magnetic Properties 42%
  • Coercive force 36%
  290 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

  • Homogenization method 100%
  • Maxwell equations 89%
  • permittivity 83%
  • homogenizing 74%
  • Permittivity 71%

• 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

  • Surface waves 100%
  • Microstrip antennas 86%
  • Radiation 71%
  • Substrates 63%
  • Ordinary differential equations 19%
• 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

  • Frequency selective surfaces 100%
  • selective surfaces 99%
  • Scattering 73%
  • Substrates 54%
  • scattering 39%
• 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

  • electromagnetic measurement 100%
  • half spaces 67%
  • Wave 59%
  • Energy 30%
  • formulations 22%

• 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

  • Wave transmission 100%
  • Wave propagation 80%
  • Electric fields 34%
  • Vacuum 33%
  • Magnetic fields 33%

• 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

  • Dispersive Media 100%
  • Electromagnetic wave propagation 99%
  • Electromagnetic Wave 80%
  • Wave Propagation 71%
  • Electromagnetic waves 70%
• 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

  • Magnetic materials 100%
  • Finite element method 97%
  • Permittivity 79%
  • Glass fibers 77%
  • Volume fraction 71%
• 1998

  Direct and inverse scattering for transient electromagnetic waves in nonlinear media

  Kristensson, G. & Wall, D. J. N., 1998, I: Inverse Problems. 14, 1, s. 113-137

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Electromagnetic Wave 100%
  • Inverse Scattering 96%
  • inverse scattering 96%
  • Inverse problems 89%
  • Electromagnetic waves 87%

• Mixing formulas in time domain

  Kristensson, G., Rikte, S. & Sihvola, A., 1998, I: Journal of the Optical Society of America A. 15, 5, s. 1411-1422

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Dielectric Response 100%
  • Dielectric Material 61%
  • magnetic permeability 34%
  • Mixture 30%
  • Time 25%

• Time domain Green functions for the homogeneous Timoshenko beam

  Folkow, P. D., Kristensson, G. & Olsson, P., 1998, I: Quarterly Journal of Mechanics and Applied Mathematics. 51, 1, s. 125-141

  Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

  • Timoshenko Beam 100%
  • Timoshenko beams 98%
  • Green's function 85%
  • Time Domain 75%
  • Green's functions 60%