Search Results - "Lumholt, M."

Toward spatial fit in the governance of global commodity flows by Coenen, Johanna, Sonderegger, Gabi, Newig, Jens, Meyfroidt, Patrick, Challies, Edward, Bager, Simon, Busck-Lumholt, Louise, Corbera, Esteve, Friis, Cecilie, Frohn Pedersen, Anna, Laroche, Perrine, Parra Paitan, Claudia, Qin, Siyu, Roux, Nicolas, Zaehringer, Julie

“…Global commodity flows between distally connected social-ecological systems pose important challenges to sustainability governance. These challenges are partly…”
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Design of a Dual Circularly Polarized Elliptical Feed Horn for CubeSat Reflectarray Applications by Bilgic, M. M., Zhou, M., Meincke, P., Ericsson, A., Jorgensen, E., Lumholt, M.

“…A low loss dual circularly polarized feed antenna for a high gain deployable K-band reflectarray antenna on a CubeSat platform is designed. The feed consists…”
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Living antennas on communication satellites by Lumholt, M.

“…Crises change the global pattern of communication. The communications problems occur because the satellites are optimized to cover specific geographic areas,…”
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Modification of the UTD solution: additional transition region terms by Lumholt, M.

“…The exact solution for the problem of uniform plane wave diffraction by a perfectly conducting half-plane is expressed in a form similar to the uniform theory…”
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Optimizing a corrugated horn for telecommunication and tracking missions using a new flexible horn design software by Pressensé, J, Frandsen, P E, Lumholt, M, Delepaux, F, Frandsen, A, Drioli, L Salghetti

“…A new design approach and an associated software tool for conical corrugated horn antennas has been developed in a joint TICRA-Thales Alenia Space-ESA project…”
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A new GTD slope diffraction coefficient for plane wave illumination of a wedge by Lumholt, M., Breinbjerg, O.

“…Two wedge problems including slope diffraction are solved: one in which the incident field is a non-uniform plane wave, and one in which it is an inhomogeneous…”
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Institutional Challenges to the Conservation of Arabuko-Sokoke Coastal Forest in Kenya by Busck-Lumholt, L.M., Treue, T.

“…Through a case-study of Arabuko-Sokoke forest, this paper investigates the potentials and limitations of participatory forest management (PFM) and forest-based…”
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Improved accuracy in the PO analysis of reflectors with non-perfectly conducting surfaces by Lumholt, M.

“…For the investigation of reflector antenna systems it is custom to assume that the reflectors are perfectly electric conducting (PEC). This assumption allows…”
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A new solution of the inhomogeneous plane-wave diffraction by the half plane by Lumholt, M.

“…A new exact solution for the problem of inhomogeneous plane-wave diffraction by a perfectly conducting half plane is derived in which the incident…”
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New modelling capabilities in commercial software for high-gain antennas by Jorgensen, E., Lumholt, M., Meincke, P., Min Zhou, Sorensen, S. B., Borries, O., Cappellin, C., Frandsen, P. E.

“…This paper presents an overview of selected new modelling algorithms and capabilities in commercial software tools developed by TICRA. A major new area is…”
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On the use of FFT in surface shaping of contoured beam antennas by Sorensen, S.B., Lumholt, M., Viskum, H.-H.

“…A comparison of the fast Fourier transform (FFT) and direct numerical integration to solve the PO integral is presented, with special emphasis on the achieved…”
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Analysis of beam waveguides for reflector antenna systems by Lumholt, M., Pontoppidan, K., van t Klooster, K.

“…The purpose of the present paper is to describe computational methods for the analysis of a realistic beam waveguide (BWG) at X-band, using physical optics…”
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