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  • News | TICRA
    AMTA 2013 6 11 October The preparations for AMTA are well under way and as usual we will participate with a booth and a couple of papers Visit us at Booth no 27 Aug 2013 35th ESA Antenna Workshop This years antenna workshop at Estec titled Antenna and Free 7 Aug 2013 PIERS 2013 Stockholm The 34th PIERS will be held between August 12 15 in Stockholm Sweden 5 Jul 2013 GRASP 10 2 released The new release of GRASP introduces a number of new features Here are some of the more interesting 2 Jul 2013 AP S Symposium 2013 The Antennas and Propagation International Symposium kicks off next week in Orlando Florida 1 May 2013 TICRA signs major contract with ESA TICRA has signed a contract with ESA s research and technology centre ESTEC which will pave the way for a future prediction tool able to assess radiation patterns and interference effects of mult 19 Apr 2013 Reflector antenna course at AP S 2013 Don t miss the opportunity to learn about reflector antennas at the IEEE International Symposium on Antennas and Propagation The event is held in sunny Orlando during the week 7 12 July 3 Apr 2013

    Original URL path: https://www.ticra.com/news?page=2 (2016-05-01)
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  • News | TICRA
    on a compact reflector terminal serves to substantiate our repeated praise of CHAMP s accuracy 3 Jan 2013 ViRe is our new agent in Taiwan To consolidate our effort in Asia we have started 2013 by appointing ViRe Technologies as our agent for Taiwan 29 Nov 2012 CHAMP 3 release A revolution nothing less This is what our customers say when they see the new CHAMP release with TICRA s unique VariFlex system 27 Oct 2012 Next stop Nagoya On October 29 through November 2 the International Symposium on Antennas takes place in Nagoya Japan TICRA is represented by Drs 11 Oct 2012 AMTA 2012 Symposium 21 26 October Being the most significant and dedicated symposium for antenna measurements AMTA attracts engineers involved in antenna testing from all over the world 26 Sep 2012 The 2012 ESA Antenna Week at Estec 2 5 October ESA organize two workshops on antennas during the first week of October 28 Aug 2012 Further strengthening of our EM modeling capabilities We are pleased to welcome Niels Vesterdal as Research Engineer in our Software department Niels has a Ph D 5 Jul 2012 2012 AP S International Symposium was again a great success and according

    Original URL path: https://www.ticra.com/news?page=3 (2016-05-01)
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  • News | TICRA
    Mar 2012 EuCap 2012 is under way As always TICRA is strongly represented at the European Conference on Antennas EuCap which this year takes place in Prague 26 30 March 20 Mar 2012 TICRA introduce free upgrade program for 32 bit licenses Today almost all new Windows based PCs are 64 bit platforms and come with 64 bit versions of the operating system 23 Feb 2012 European School of Antennas

    Original URL path: https://www.ticra.com/news?page=4 (2016-05-01)
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  • Papers tagged with : Beam waveguide | TICRA
    Using Complex Conical Beams Authors Stig Busk Sørensen This paper presents a method of analysing beam waveguide systems based on Physical Optics and Complex Conical Beams The analysis procedure for one reflector consists of calculating the field 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 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 26 Mar

    Original URL path: https://www.ticra.com/papers/14 (2016-05-01)
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  • Papers tagged with : Compact range | TICRA
    Ranges CATRs is a challenging task and to achieve strong performance simulation using computational electromagnetics is a vital part of the design 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 12 Apr 2010 An Accurate and Efficient Error Predictor Tool for CATR Measurements Authors Cecilia Cappellin Stig Busk Sørensen An accurate and efficient numerical model is developed to simulate the far field of an antenna under test AUT measured in a Compact Antenna Test Range CATR on the basis of the known quiet 01 Nov 2009 Best Fit Adjustments of the Reflectors in a Compact Range Authors Frank Jensen Per Heighwood Nielsen ESA s Compact Antenna Test Range at ESTEC has been relocated which has given the chance to improve the alignment of the reflectors Based on measurements of the reflector surfaces the best fit 01 Nov 2009 An Accurate and Efficient Error Predictor Tool for CATR Measurements Authors Cecilia Cappellin Stig Busk Sørensen An accurate and efficient numerical model is developed to simulate the far field of an antenna under test AUT measured in a Compact Antenna Test Range CATR on the basis of the known quiet 16 Nov 2008 Compact Range Evaluation by GTD Modelling Authors Frank Jensen Per Heighwood Nielsen A compact antenna test range has been analysed for stray signals The analysis is based on GTD ray tracing i e obeying the reflection law in the chamber walls and assuming straight edges of 04 Nov 2007 Polarisation Dependent Scattering from the Serrations of Compact Ranges

    Original URL path: https://www.ticra.com/papers/20 (2016-05-01)
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  • Papers tagged with : Computational Electromagnetics | TICRA
    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

    Original URL path: https://www.ticra.com/papers/40 (2016-05-01)
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  • Papers tagged with : Corrugated horn antenna | TICRA
    Horns and Reflector Terminals Authors Hans Henrik Viskum 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 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 news is the release of GRASP 10 which sets new standards for 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 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 Thales Alenia Space ESA project The software is

    Original URL path: https://www.ticra.com/papers/10 (2016-05-01)
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  • Papers tagged with : Cross polarization | TICRA
    Heighwood Nielsen ESA s Compact Antenna Test Range at ESTEC has been relocated which has given the chance to improve the alignment of the reflectors Based on measurements of the reflector surfaces the best fit 04 Nov 2007 Polarisation Dependent Scattering from the Serrations of Compact Ranges Authors Frank Jensen Serrations are often applied at the edges of compact range reflectors in order to reduce the scattering from the edges into the quiet zone At low frequencies the serrations show different 18 Sep 2002 A systematic approach to the analysis of polarisation sensitive reflector Authors Hans Henrik Viskum The analysis of a polarisation sensitive reflector system consisting of two individual reflecting surfaces is described A procedure is given by which all the predictable scattering effects that 10 Sep 2000 Guidelines for the design of the serrations of a compact range Authors Knud Pontoppidan Per Heighwood Nielsen Compact ranges based on reflector technology may be based on different designs single offset reflec tor dual offset reflector compensated for cross polarisation or an offset dual reflector 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 18 Jun 1995 A Study on the Isolation Capability of Multi Beam Reflector Antennas Authors Hans Henrik Viskum The paper demonstrates how multi beam antennas used for contoured beams in communications satellites are capable of providing very high isolation to adjacent service areas even with antenna 18 Jun 1995 Fade Compensation in Antenna Optimization Authors Hans Henrik Viskum Contoured beam satellite antennas are usually designed by optimizing the antenna gain pattern over the desired

    Original URL path: https://www.ticra.com/papers/6 (2016-05-01)
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