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  • Min Zhou | TICRA
    band transmit receive multiple spot beam coverage in Ka band using only two main apertures while maintaining single feed 10 Apr 2016 New Analysis Capabilities for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke Min Zhou Niels Vesterdal We present recent advances in the RF modelling of electrically large antennas and platforms with an emphasis on reflector antennas and satellite platforms The Higher Order Multilevel Fast 01 May 2015 Design and Optimization of a Single Layer Planar Transmit Receive Contoured Beam Reflectarray with Enhanced Performanc Authors Min Zhou Oscar Borries Erik Jørgensen This paper presents the design and optimization of a 1 2 meters single layer planar contoured beam reflectarray in Ku band The reflectarray is optimized to fulfill the requirements of a Direct 12 Apr 2015 Fast and Accurate Analysis of Reflector Antennas with Struts and Satellite Platform Scattering Authors Niels Vesterdal Oscar Borries Min Zhou Knud Pontoppidan Erik Jørgensen This paper presents two methods related to modelling of reflector antenna struts and surrounding structural features such as satellite platforms One method is a MoM based strut model and 12 Apr 2015 New Fast and Robust Modelling Algorithms for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke Min Zhou Niels Vesterdal This paper presents two new modelling algorithms that were recently added to the commercially available GRASP software package for electrically large antenna and scattering problems In particular 12 Apr 2015 Analysis and Optimization of a Curved Transmit Receive Contoured Beam Reflectarray Authors Min Zhou Stig Busk Sørensen Oscar Borries Erik Jørgensen This paper presents the analysis and optimization of a 1 meter single layer curved contoured beam reflectarray in Kuband The curved reflectarray is designed to radiate a contoured beam over a 07 Jul 2014 Design of Multi Faceted Dual

    Original URL path: https://www.ticra.com/company/staff/min-zhou (2016-05-01)
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  • Stig Busk Sørensen | TICRA
    This paper presents the analysis and optimization of a 1 meter single layer curved contoured beam reflectarray in Kuband The curved reflectarray is designed to radiate a contoured beam over a 07 Jul 2014 Design of Multi Faceted Dual Polarization Dual Coverage Contoured Beam Reflectarray Authors Min Zhou Stig Busk Sørensen The design and optimization of a single layer multifaceted dual polarization contoured beam reflectarray with different coverages in each polarization has been presented The reflectarray is 07 Jul 2014 Gaussian Translation Operator for Multi Level Fast Multipole Method Authors Oscar Borries Stig Busk Sørensen Peter Meincke Erik Jørgensen Co authors P C Hansen Department of Applied Mathematics and Computer Science DTU Denmark 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 07 Apr 2014 Design and Optimization of Multi Faceted Reflectarrays for Satellite Applications Authors Min Zhou Peter Meincke Erik Jørgensen Stig Busk Sørensen The design and optimization of multi faceted reflectarrays for satellite applications are presented The objective of this work is to investigate the performance of a multi faceted reflectarray 07 Apr 2014 Improved Multilevel Fast Multipole Method for Higher Order Discretizations Authors Oscar Borries Peter Meincke Erik Jørgensen Stig Busk Sørensen Co authors P C Hansen Department of Applied Mathematics and Computer Science DTU Denmark The Multilevel Fast Multipole Method MLFMM allows for a reduced computational complexity when solving electromagnetic scattering problems Combining this with the reduced number of unknowns 07 Apr 2014 Reflector Antenna Analysis using Physical Optics on Graphics Processing Units Authors Oscar Borries Erik Jørgensen Peter Meincke Stig Busk Sørensen Co authors H H B Sørensen Department of Applied Mathematics and Computer Science DTU Denmark B Dammann Department of Applied Mathematics and

    Original URL path: https://www.ticra.com/company/staff/stig-busk-s-rensen (2016-05-01)
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  • New Analysis Capabilities for Electrically Large Antennas and Platforms | TICRA
    and this algorithm is employed in this paper due to the very low memory requirements and the need for very high accuracy We show that the memory distribution of HO MLFMM is different from the typical low order MLFMM thereby enabling a more efficient out of core solution which allows very large problems to be solved with modest memory requirements We also investigate the challenging problem of MLFMM based computation

    Original URL path: https://www.ticra.com/papers/new-analysis-capabilities-electrically-large-antennas-and-platforms (2016-05-01)
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  • Erik Jørgensen | TICRA
    Multilevel Fast 10 Apr 2016 Full wave Optimization of Large Compact Antenna Test Ranges Authors Oscar Borries Erik Jørgensen Peter Meincke Hans Henrik Viskum The challenges related to the increasing physical size of satellite platforms carry over to a number of related areas including the design of Compact Antenna Test Ranges CATRs capable of 11 Oct 2015 Design and Validation of Compact Antenna Test Ranges using Computational EM Authors Oscar Borries Peter Meincke Erik Jørgensen Hans Henrik Viskum Frank Jensen Co authors C H Schmidt Airbus Defence Space Munich Germany The design of modern Compact Antenna Test Ranges CATRs is a challenging task and to achieve strong performance simulation using computational electromagnetics is a vital part of the design 06 Oct 2015 Full Wave Simulation of Large Satellite for the Evaluation of Multiple Frequency Antennas Interference Authors Erik Jørgensen Co authors Benedetta Fiorelli The paper presents a full wave simulation of the spacecraft of JUICE ESA s Jupiter Icy moons Explorer mission Results prove the possibility of simulating the entire spacecraft modelling the 19 Jul 2015 Higher Order Method of Moments Analysis for Unconnected Quadrilateral Meshes Authors Peter Meincke Erik Jørgensen Oscar Borries A higher Order HO quadrilateral mesher is presented along with a HO method of moments formulation for unconnected meshes A numerical example is presented to validate the new formulation 01 May 2015 Design and Optimization of a Single Layer Planar Transmit Receive Contoured Beam Reflectarray with Enhanced Performanc Authors Min Zhou Oscar Borries Erik Jørgensen This paper presents the design and optimization of a 1 2 meters single layer planar contoured beam reflectarray in Ku band The reflectarray is optimized to fulfill the requirements of a Direct 12 Apr 2015 Detailed Pattern Computations of the UHF Antennas on the Spacecraft of the ExoMars Mission Authors Cecilia Cappellin

    Original URL path: https://www.ticra.com/company/staff/erik-j-rgensen (2016-05-01)
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  • Oscar Borries | TICRA
    antennas and satellite platforms The Higher Order Multilevel Fast 10 Apr 2016 Full wave Optimization of Large Compact Antenna Test Ranges Authors Oscar Borries Erik Jørgensen Peter Meincke Hans Henrik Viskum The challenges related to the increasing physical size of satellite platforms carry over to a number of related areas including the design of Compact Antenna Test Ranges CATRs capable of 11 Oct 2015 Design and Validation of Compact Antenna Test Ranges using Computational EM Authors Oscar Borries Peter Meincke Erik Jørgensen Hans Henrik Viskum Frank Jensen Co authors C H Schmidt Airbus Defence Space Munich Germany The design of modern Compact Antenna Test Ranges CATRs is a challenging task and to achieve strong performance simulation using computational electromagnetics is a vital part of the design 19 Jul 2015 Higher Order Method of Moments Analysis for Unconnected Quadrilateral Meshes Authors Peter Meincke Erik Jørgensen Oscar Borries A higher Order HO quadrilateral mesher is presented along with a HO method of moments formulation for unconnected meshes A numerical example is presented to validate the new formulation 01 May 2015 Design and Optimization of a Single Layer Planar Transmit Receive Contoured Beam Reflectarray with Enhanced Performanc Authors Min Zhou Oscar Borries Erik Jørgensen This paper presents the design and optimization of a 1 2 meters single layer planar contoured beam reflectarray in Ku band The reflectarray is optimized to fulfill the requirements of a Direct 12 Apr 2015 Detailed Pattern Computations of the UHF Antennas on the Spacecraft of the ExoMars Mission Authors Cecilia Cappellin Erik Jørgensen Peter Meincke Oscar Borries Co authors C Nardini C Dreyer This paper describes the pattern computations of the UHF antennas mounted on the spacecraft of the EXOMARS mission The analyses are made by the higher order Method of Moments MoM add on to 12 Apr

    Original URL path: https://www.ticra.com/company/staff/oscar-borries (2016-05-01)
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  • Peter Meincke | TICRA
    Analysis Capabilities for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke Min Zhou Niels Vesterdal We present recent advances in the RF modelling of electrically large antennas and platforms with an emphasis on reflector antennas and satellite platforms The Higher Order Multilevel Fast 10 Apr 2016 Full wave Optimization of Large Compact Antenna Test Ranges Authors Oscar Borries Erik Jørgensen Peter Meincke Hans Henrik Viskum The challenges related to the increasing physical size of satellite platforms carry over to a number of related areas including the design of Compact Antenna Test Ranges CATRs capable of 11 Oct 2015 Design and Validation of Compact Antenna Test Ranges using Computational EM Authors Oscar Borries Peter Meincke Erik Jørgensen Hans Henrik Viskum Frank Jensen Co authors C H Schmidt Airbus Defence Space Munich Germany The design of modern Compact Antenna Test Ranges CATRs is a challenging task and to achieve strong performance simulation using computational electromagnetics is a vital part of the design 19 Jul 2015 Higher Order Method of Moments Analysis for Unconnected Quadrilateral Meshes Authors Peter Meincke Erik Jørgensen Oscar Borries A higher Order HO quadrilateral mesher is presented along with a HO method of moments formulation for unconnected meshes A numerical example is presented to validate the new formulation 12 Apr 2015 Detailed Pattern Computations of the UHF Antennas on the Spacecraft of the ExoMars Mission Authors Cecilia Cappellin Erik Jørgensen Peter Meincke Oscar Borries Co authors C Nardini C Dreyer This paper describes the pattern computations of the UHF antennas mounted on the spacecraft of the EXOMARS mission The analyses are made by the higher order Method of Moments MoM add on to 12 Apr 2015 New Fast and Robust Modelling Algorithms for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke

    Original URL path: https://www.ticra.com/company/staff/peter-meincke (2016-05-01)
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  • Niels Vesterdal | TICRA
    TICRA Niels Vesterdal was employed at Thrane Thrane where he conducted an Industrial PhD study on Phased Array Antennas for Mobile Communications Subsequently from 2007 to 2012 he worked at the R D department at Thrane Thrane primarily designing user terminal antennas for mobile satellite communication in the L Ku and Ka bands In 2006 Niels spent 6 months at Jet Propulsion Laboratory in Pasadena as a visiting scholar Papers 10 Apr 2016 New Analysis Capabilities for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke Min Zhou Niels Vesterdal We present recent advances in the RF modelling of electrically large antennas and platforms with an emphasis on reflector antennas and satellite platforms The Higher Order Multilevel Fast 12 Apr 2015 DTU ESA Millimeter Wave Validation Standard Antenna mm VAST Detailed Design Authors Rolf Jørgensen Niels Vesterdal Co authors Oleksiy S Kim Sergey Pivnenko Olav Breinbjerg Kim Branner Peter Berring Christen Malte Markussen Maurice Paquay This paper describes the structural solution to meet these extremely strict stability requirements and the structural analyses done in order to verify that they can be met The paper also 12 Apr 2015 Fast and Accurate Analysis of Reflector Antennas with Struts and Satellite Platform Scattering Authors Niels Vesterdal Oscar Borries Min Zhou Knud Pontoppidan Erik Jørgensen This paper presents two methods related to modelling of reflector antenna struts and surrounding structural features such as satellite platforms One method is a MoM based strut model and 12 Apr 2015 New Fast and Robust Modelling Algorithms for Electrically Large Antennas and Platforms Authors Erik Jørgensen Oscar Borries Peter Meincke Min Zhou Niels Vesterdal This paper presents two new modelling algorithms that were recently added to the commercially available GRASP software package for electrically large antenna and scattering problems In particular 12 Oct 2014

    Original URL path: https://www.ticra.com/company/staff/niels-vesterdal (2016-05-01)
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  • Design and Analysis of a Reflector Antenna System Based on Doubly Curved Circular Polarization Selective Surfaces | TICRA
    reflector antenna system combining two doubly curved Circular Polarization Selective Surfaces to provide a functionality equivalent to that of a dual gridded reflector but in circular polarization The key feature of this design is to use a non resonant CPSS design to avoid the bandwidth limitation of most CPSS designs previously discussed in the literature A specific design at Ku band is investigated and promising results are demonstrated providing a

    Original URL path: https://www.ticra.com/papers/design-and-analysis-reflector-antenna-system-based-doubly-curved-circular-polarization (2016-05-01)
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