archive-com.com » COM » T » TICRA.COM

Total: 410

Choose link from "Titles, links and description words view":

Or switch to "Titles and links view".
  • Papers tagged with : Diagnostics | TICRA
    noisy field is then given as input to the 3D reconstruction of DIATOOL and the SWE 07 Apr 2014 Field Reconstruction and Estimation of the Antenna Support Structure Effect on the Measurement Uncertainty of the BTS1940 Antenna Authors Cecilia Cappellin The 3D reconstruction algorithm of DIATOOL is applied to the BTS1940 antenna recently measured at the DTU ESA Spherical Near Field Antenna Test Facility in Denmark The antenna was measured 06 Oct 2013 Detailed Diagnostics of the BIOMASS Feed Array Prototype Authors Cecilia Cappellin Knud Pontoppidan The 3D reconstruction algorithm of DIATOOL is applied to the prototype feed array of the BIOMASS synthetic aperture radar recently measured at the DTU ESA Spherical Near Field Antenna Test 10 Sep 2013 Array Diagnostics Spatial Resolution and Filtering of Undesired Radiation with the 3D Reconstruction Algorithm Authors Cecilia Cappellin Erik Jørgensen Peter Meincke This paper focuses on three important features of the 3D reconstruction algorithm of DIATOOL the identification of array elements improper functioning and failure the obtainable spatial 08 Apr 2013 Diagnostics of the BIOMASS Feed Array Prototype Authors Cecilia Cappellin Knud Pontoppidan Erik Jørgensen Peter Meincke The 3D reconstruction algorithm is applied to the prototype feed array of the BIOMASS synthetic aperture radar recently measured at the DTU ESA Spherical Near Field Antenna Test Facility in 21 Oct 2012 Array Antenna Diagnostics with the 3D Reconstruction Algorithm Authors Cecilia Cappellin Peter Meincke Erik Jørgensen The 3D reconstruction algorithm is applied to a slotted waveguide array measured at the DTU ESA Spherical Near Field Antenna Test Facility One slot of the array is covered by conductive tape and 13 Jul 2012 Advances in TICRA EM Tools Authors Hans Henrik Viskum Many exciting developments are underway at TICRA as evidenced by recent and upcoming releases of new EM tools One of the big

    Original URL path: https://www.ticra.com/papers/13 (2016-05-01)
    Open archived version from archive


  • Papers tagged with : Domain decomposition | TICRA
    Computational Electromagnetics Corrugated horn antenna Cross polarization Diagnostics Domain decomposition EM modelling Graphical Processing Units GTD Measurement Method of Moments MM wave Mode matching Multilevel Fast Multipole Method Near field Optimization Physical Optics Reflectarray Reflector antenna Scattering Papers tagged with

    Original URL path: https://www.ticra.com/papers/41 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : EM modelling | TICRA
    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 12 Apr 2015 Design of a Push Broom Multi Beam Radiometer for Future Ocean Observations Authors Cecilia Cappellin Knud Pontoppidan Per Heighwood Nielsen Co authors N Skou S S Søbjærg A Ihle M Ivashina O Iupikov K v t Klooster The design of a 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 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

    Original URL path: https://www.ticra.com/papers/9 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : Graphical Processing Units | TICRA
    field Optimization Physical Optics Reflectarray Reflector antenna Scattering Papers tagged with Graphical Processing Units 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 Computer Science DTU Denmark P C Hansen Department of Applied Mathematics

    Original URL path: https://www.ticra.com/papers/43 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : Measurement | TICRA
    2014 DTU ESA Millimeter Wave Validation Standard Antenna Requirements and Design Authors Niels Vesterdal Rolf Jørgensen Co authors Sergey Pivnenko Dept of Electrical Engng TUD Denmark Oleksiy Kim Dept of Electrical Engng TUD Denmark Olav Breinbjerg Dept of Electrical Engng TUD Denmark K Branner Dept of Wind Energy TUD Denmark C M Markussen Dept of Wind Energy TUD Denmark M Paquay ESA ESTEC The Netherlands Inter comparisons and validations of antenna measurement ranges are useful tools allowing the detection of various problems in the measurement procedures thus leading to improvements of the 07 Apr 2014 Field Reconstruction and Estimation of the Antenna Support Structure Effect on the Measurement Uncertainty of the BTS1940 Antenna Authors Cecilia Cappellin The 3D reconstruction algorithm of DIATOOL is applied to the BTS1940 antenna recently measured at the DTU ESA Spherical Near Field Antenna Test Facility in Denmark The antenna was measured 06 Oct 2013 Detailed Diagnostics of the BIOMASS Feed Array Prototype Authors Cecilia Cappellin Knud Pontoppidan The 3D reconstruction algorithm of DIATOOL is applied to the prototype feed array of the BIOMASS synthetic aperture radar recently measured at the DTU ESA Spherical Near Field Antenna Test 06 Oct 2013 A Detailed PO PTD GRASP Simulation Model for Compensated Compact Range Analysis with Arbitrarily Shaped Serrations Authors Hans Henrik Viskum Co authors Carsten Schmidt A Geise Astrium GmbH Compensated compact ranges offer accurate testing techniques for large devices under test The quiet zone field performance is affected by diffracted field components from the sub and main 10 Sep 2013 Array Diagnostics Spatial Resolution and Filtering of Undesired Radiation with the 3D Reconstruction Algorithm Authors Cecilia Cappellin Erik Jørgensen Peter Meincke This paper focuses on three important features of the 3D reconstruction algorithm of DIATOOL the identification of array elements improper functioning and failure the obtainable

    Original URL path: https://www.ticra.com/papers/16 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : Method of Moments | TICRA
    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 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 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 06 Nov 2014 Efficient Body of Revolution Method of Moments for Rotationally Symmetric Antenna Systems with Offset Illumination Authors Peter Meincke Erik Jørgensen An efficient Body of Revolution Method of Moments formulation is presented in which the unknown surface current density on the generatrix of the rotationally symmetric scatterer is expanded in 17 Oct 2014 Integral Equation Modelling of Reverberation Chambers using Higher Order Basis Functions Authors Oscar Borries

    Original URL path: https://www.ticra.com/papers/8 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : MM wave | TICRA
    Wind Energy TUD Denmark C M Markussen Dept of Wind Energy TUD Denmark M Paquay ESA ESTEC The Netherlands Inter comparisons and validations of antenna measurement ranges are useful tools allowing the detection of various problems in the measurement procedures thus leading to improvements of the 12 Apr 2010 Final Design and Testing of the 94 GHz Quasi Optical Feed for the EarthCARE S Cloud Profiling Radar Authors Cecilia Cappellin Instruments for Earth observation working from WBand up to mm wave frequencies mainly use quasi optical feed systems QOF to illuminate the corresponding reflector antennas The final design of 10 Jun 2007 Accurate analysis of a quasi optical network with a polarisation grid Authors Stig Busk Sørensen Hans Henrik Viskum Knud Pontoppidan In a quasi optical network the beams are usually focused and guided through the system by means of curved and planar mirrors Physical Optics PO is an accurate analysis tool for these elements 22 Jun 2003 A Reconformable Reflector for a Sub MM Wave Reflector Antenna Authors Hans Henrik Viskum Results are presented of investigations with a laboratory model of a reconformable reflector for MM and sub MM applications A configuration with 19 actuators to control the surface has been 15 Apr 2003 Corrective Subreflectors for Millimetre and Sub Millimetre Wave Applications Authors Hans Henrik Viskum A mechanically controllable reflector has been manufactured by using an electroformed Nickel shell supported and controlled by 19 actuators If such a system is used as subreflector in a 18 Sep 2002 A fast physical optics method for the analysis of beam waveguides Authors Stig Busk Sørensen A fast physical optics PO method is presented which in two steps calculates the scattered field of an optical component in a beam waveguide BWG The first step involves a calculation of a set 16

    Original URL path: https://www.ticra.com/papers/17 (2016-05-01)
    Open archived version from archive

  • Papers tagged with : Mode matching | TICRA
    03 Oct 2012 Fast and Accurate Design Tool for Rotationally Symmetric Reflector Antennas with 3D Waveguide Components and Support Structures Authors Erik Jørgensen Peter Meincke We present a new efficient design tool for rotationally symmetric reflector antennas possibly including 3D support structures and waveguide components The tool is based on a combination of four 12 Apr 2010 Optimizing a Corrugated Horn for Telecommunication and Tracking Missions using a new flexible

    Original URL path: https://www.ticra.com/papers/15 (2016-05-01)
    Open archived version from archive



  •