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  • Papers tagged with : Compact range | TICRA
    range 16 Jul 2000 Improved Compact Antenna Test Range CATR Performance by Using Spherical Angular Function SAF Deconvolution Method Authors Frank Jensen Microwave antenna measurements seek to determine the response of an Antenna Under Test AUT when it is illuminated by a uniform Plane Wave The requirement of a uniform Plane Wave illumination 04 Oct 1999 Modelling of Compact Range Quiet Zone Fields by PO and GTD Authors Frank Jensen

    Original URL path: http://ticra.com/papers/20?page=1 (2016-05-01)
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  • Design of a Push-Broom Multi-Beam Radiometer for Future Ocean Observations | TICRA
    push broom multi beam radiometer for future ocean observations is described The radiometer provides a sensitivity one order of magnitude higher than a traditional conical scanning radiometer and has the big advantage of being fully stationary relative to the satellite platform Thanks to a dense focal plane array and a dedicated optimization procedure the instrument can accurately measure in C X and Ku band and as close as 15 km

    Original URL path: http://ticra.com/papers/design-push-broom-multi-beam-radiometer-future-ocean-observations (2016-05-01)
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  • Detailed Pattern Computations of the UHF Antennas on the Spacecraft of the ExoMars Mission | TICRA
    of the EXOMARS mission The analyses are made by the higher order Method of Moments MoM add on to GRASP and are computed twice In the first computation the spacecraft is modelled by perfect electrically conducting plates properly connected by the user to each other and to the UHF antennas This is how the problem has been solved until recently by an experienced user of GRASP In the second computation

    Original URL path: http://ticra.com/papers/detailed-pattern-computations-uhf-antennas-spacecraft-exomars-mission (2016-05-01)
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  • Gaussian Translation Operator for Multi-Level Fast Multipole Method | TICRA
    Gaussian Translation Operator for Multi Level Fast Multipole Method Abstract Results using a new translation operator for the Multi Level Fast Multipole Method are presented Based on Gaussian beams the translation operator allows a significant portion of the plane wave directions to be neglected resulting in a much faster translation step Publication Proc 2014 IEEE International Symposium on Antennas and Propagation Place Memphis Tennessee USA Year 2014 Computational Electromagnetics Multilevel

    Original URL path: http://ticra.com/papers/gaussian-translation-operator-multi-level-fast-multipole-method (2016-05-01)
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  • CHAMP – The Dedicated Design Tool for Rotationally Symmetric Horns and Reflector Terminals | TICRA
    Mode matching Multilevel Fast Multipole Method Near field Optimization Physical Optics Reflectarray Reflector antenna Scattering CHAMP The Dedicated Design Tool for Rotationally Symmetric Horns and Reflector Terminals Abstract A fast and accurate approach to designing horns and reflectors is implemented in the CHAMP code The paper presents examples of designs including shaped reflectors and a horn with a dielectric lens Publication Proceeding of AP S 2013 Place Orlando FL USA

    Original URL path: http://ticra.com/papers/champ-dedicated-design-tool-rotationally-symmetric-horns-and-reflector-terminals (2016-05-01)
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  • Advances in TICRA EM Tools | TICRA
    Reflectarray Reflector antenna Scattering Advances in TICRA EM Tools Abstract Many exciting developments are underway at TICRA as evidenced by recent and upcoming releases of new EM tools One of the big news is the release of GRASP 10 which sets new standards for reflector antenna modeling in an efficient and intuitive environment But major developments are also underway in other areas Publication Proc 2012 IEEE International Symposium on Antennas

    Original URL path: http://ticra.com/papers/advances-ticra-em-tools (2016-05-01)
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  • New Modelling Capabilities in Commercial Software for High-Gain Antennas | TICRA
    commercial software tools developed by TICRA A major new area is design and analysis of printed reflectarrays where a fully integrated design environment is under development allowing fast and accurate characterization of the reflectarray element an initial phase only synthesis followed by a full optimization procedure taking into account the near field from the feed and the finite extent of the array Another interesting new modelling capability is made available through the DIATOOL software which is a new type of EM software tool aimed at extending the ways engineers can use antenna measurements in the antenna design process The tool allows reconstruction of currents and near fields on a 3D surface conformal to the antenna by using the measured antenna field as input The currents on the antenna surface can provide valuable information about the antenna performance or undesired contributions e g currents on a cable can be artificially removed Finally the CHAMP software will be extended to cover reflector shaping and more complex materials which combined with a much faster execution speed will make CHAMP an ideal tool for design and optimization of compact rotationally symmetric reflector systems e g maritime satellite terminals Available on IEEEXPLORE Publication Proceedings EuCAP

    Original URL path: http://ticra.com/papers/new-modelling-capabilities-commercial-software-high-gain-antennas (2016-05-01)
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  • Michael Lumholt | TICRA
    Electrical Engineering Specialization Software development High Frequency Diffraction With TICRA since 1995 Phone direct 45 3330 6751 Michael Lumholt has been the Managing Director since 2009 He has a background as Ph D in Electromagnetism and has worked with the design and development of TICRA s software products Papers 27 Mar 2012 New Modelling Capabilities in Commercial Software for High Gain Antennas Authors Erik Jørgensen Michael Lumholt Peter Meincke Min Zhou Stig Busk Sørensen Oscar Borries Cecilia Cappellin Poul Erik Frandsen This paper presents an overview of selected new modelling algorithms and capabilities in commercial software tools developed by TICRA A major new area is design and analysis of printed 18 Oct 2011 Recent Developments and Challenges for Reflector Antenna EM Modelling Authors Michael Lumholt Erik Jørgensen This paper concerns the EM modelling of high accuracy reflector antenna systems and in particular of reflectors for space antenna systems Recent modelling developments are exemplified ranging 12 Apr 2010 Optimizing a Corrugated Horn for Telecommunication and Tracking Missions using a new flexible Horn Design Software Authors Poul Erik Frandsen Michael Lumholt A new design approach and an associated software tool for conical corrugated horn antennas has been developed in a joint TICRA

    Original URL path: http://ticra.com/company/staff/michael-lumholt (2016-05-01)
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