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WHO WE ARE

WHO WE ARE. QWED is a company of the limited liability type, set up in 1997 by academics originating from the Institute of Radioelectronics, Warsaw University of Technology. QWED Sp. z o.o. ul. Krzywickiego 12 lok.1 02-078 Warsaw, POLAND fax: +48 22 6 21 6 2 99 tel.: +48 22 625 73 19

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WHO WE ARE

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  1. WHO WE ARE • QWED is a company of the limited liability type, • set up in 1997 by academics originating from the Institute of Radioelectronics, Warsaw University of Technology.

  2. QWED Sp. z o.o. ul. Krzywickiego 12 lok.1 02-078 Warsaw, POLAND fax: +4822621 62 99 tel.: +48 22 625 73 19 info@qwed.com.pl www.qwed.com.pl

  3. What We Do We invent and commercially develop electromagnetic software packages, of the QuickWave series and apply to electromagnetic research and industrial design

  4. What Is QuickWave QuickWave is a cutting edge software which makes possible electromagnetic analysis and reliable design without hardware prototyping

  5. QuickWave-3D QW-3D - Our Flagship Product A general-purpose 3D electromagnetic software Includes QW-Editor and QW-Simulator, in a full 3D regime

  6. QW-V2D A vector 2D electromagnetic software applicable to the analysis of axisymmetrical devices (antennas-as big as 150 wavelength or more!, resonators, circular waveguide discontinuities). Includes QW-Editor and QW-Simulator, working in a vector 2D regime

  7. QW-Editor A graphical editor for definition of geometry, media, I/O parameters and postprocessing. It comprises a library of parameterised objects and a capability for generating further objects and libraries. Conversion to and from CAD formats is also facilitated.

  8. QW-Simulator A unique, conformal FDTD solver. Its output data include multi-modal, multi-port S-matrices, radiation and scattering patterns, pattern of field, dissipated power, time-domain reflectometry etc.

  9. Areas of Software Applicationin Industry • Telecommunication industry • Electronics industry • Microwave oven industry • Automobile industry • Food processing industry • Industrial microwave chemistry

  10. Areas of Software Applicationin Science • Space and atmosphere research • Microwave heating • Electromagnetic impact on biological tissues • Electronics

  11. Examples of Applications (ex. 1.1) WR-10 waveguide quadrature hybrid with six branch lines Design, measurements and QW-3D simulations: S.Srikanth and A. R. Kerr, National Radio Astronomy Observatory, Charlottesville, VA 22903, USA

  12. Examples of Applications (ex. 1.2) Amplitude and phase imbalance – from the measured (MS-noisy) and simulated (QWB-smooth) results. (S. Srikanth and A. R. Kerr, National Radio Astronomy Observatory, Charlottesville, VA 22903, USA) For more QW-3D results at NRAO, see: ALMA Memos 381, 343, 325, 278 You will find them at: http://www.mma.nrao.edu/memos/html-memos/alma278/memo278.pdf http://www.mma.nrao.edu/memos/html-memos/alma343/memo343.pdf http://www.mma.nrao.edu/memos/html-memos/alma325/memo325.pdf http://www.mma.nrao.edu/memos/html-memos/alma278/memo278.pdf

  13. Examples of Application (ex.2) E-plane waveguide diplexer Transmission into higher-frequency (upper) and lower-frequency(lower) channels: measurements simulations Design, measurements and QW-3D simulations: T.Schnabel, Zomatch, CA

  14. Examples of Applications (ex.3)Pyramidal horn antenna Design & measurements: Prof.B.Stec, Technical Military Academy, Poland Simulations: QWED ------ vertical plane measured ____ vertical plane simulated ------ horizontal plane measured ____ horizontal plane simulated

  15. Examples of Application (ex.4) Axisymmetrical corrugated horn Hat 13.75GHz Design & measurements: P.Brachat, IEEE Trans. AP, April 1994 QW-V2D simulations: QWED Radiation patterns at 13.75 GHz

  16. Examples of Application (ex.5)Dielectric waveguide coupler - a tutorial example from QW-3D manual Low-permittivity dielectric cross with high-permittivity slab Envelope of vertical E-field at 95 GHz Fundamental mode pattern at 96.7 GHz Wide-band S-parameters indicating power loss due to higher modes and /or radation

  17. Examples of Application (ex.6)A tutorial example of TDR from QW-3D manual Time-domain electric (above) and magnetic (below) fields revealing location and kind of the discontinuity A strip-line structure terminated with a narrow grounded strip; lower half due to magnetic symmetry condition considered

  18. Examples of Application (ex.7)Thawing a beefburger in a household oven; QW-3D with QW-BHM Left: system view Right: dissipated power patterns through beef and bread, produced by QW-3D under the assumption of constant media parameters at either -20 deg or +20 deg. Left: temperature-dependent media characteristics automatically considered by QW-BHM option Right: resulting temperature pattern produced by QW-3D with QW-BHM. Due to thermal runaway effect, after 35 sec. of heating a hot spot is created in bread while beef remains frozen.

  19. Examples of Application More on microwave heating For more examples of QW-3D application by our users, please refer to the projects run at Worcester Polytechnic Institute and reported at: http://www.wpi.edu/Academics/Depts/Math/CIMS/immg/activ.htm You will also find there an independent review of commercial EM software packages: Comparative Analysis of Commercial Electromagnetic Software

  20. QuickWave Features • Conformal meshing and conformal FDTD algorithms • Convenient GUI with libraries of parameterised objects • Extraction of S-parameters, also in multimodal lines and and below cut-off • Excitation with user-defined source type, pulse type, available power, delay • Electric, magnetic and metal losses • Extensive display of absolute values of fields & power • Extraction of average dissipated power, also in multimodal structures • Batch operation, freeze function, multithread options • Interfaces to optimisers for automatic design

  21. Unique Features standard FDTD conformal mesh in QW-3D

  22. Unique Features standard FDTD cells in “stair-case” FDTD airdielectricmetal examples of conformal cells in QuickWave dielectric media interfaces metal boundaries

  23. Unique Features coaxial line in QW-3D (left) and in stair-case FDTD (right)

  24. Unique Features    PEC  Offset metal boundary creating a small cell: 1. Stair-case - neglect small cell 2. Brute force conformal - leave small cell, reduce time step 3. Advanced conformal - merge cells For effects on accuracy, please refer to QWED's past events and look for May 2001 IEEE IMS presentation by M.Celuch

  25. Unique Featuressome specialised libraries Our typical dialogue for parameter setting

  26. Accurate S-parameter extraction including multi-modal transmission lines and evanescent modesAllows circuit partitioning close to discontinuities Unique Features For details and examples, please refer to QWED's past events and look for May 2001 IEEE IMS presentation by W. Gwarek

  27. Unique Features Fast automatic design with QuickWave software interfaces to external optimisers, e.g.: Matlab tools in-house QW-Optimiser For details and examples, please refer to QWED's past eventson www.qwed.com.pland look for June 2001 IEEE IMS workshop presentation by W. Gwarek

  28. Licensing Schemes for QuickWave Products • Permanent licences - one-computer stand-alone licence - floating network licence • Temporary licences • Free pre-sale benchmarks • Free post-course trials

  29. Our Sales Orientation

  30. QWED’s Prizes 1998 The European Information Technology Prize From European Commissionand Euro-Case

  31. QWED’s Prizes 1999 The Prime Minister of Poland Award

  32. QWED’s Prizes 2000 Master of Technology Award From Polish Federation of Engineering Associations

  33. QWED’s Prizes 2000 Proton Award From State Committee for Scientific Research and Proton TV programme

  34. QWED’s Prizes 2001 Leader in Software Export From Polish Software Market Association

  35. QWED’s Prizes 2006 Leader in Software Export 2005 From Polish Software Market Association

  36. QWED’s Certificate 2007 The Certificate from Military Center for Standardization, Quality Assurance and Codification

  37. Joint Consulting Activities In collaboration with the Institute of Radioelectronics: designing high-power sources of high frequency stability measuring material properties in wide range of frequencies and loss tangents.

  38. Joint Consulting Activities Split post dielectric resonator (5.6 GHz) In collaboration with Prof.Jerzy Krupka, resonators for measurements of: • complex permittivity, • complex permeability • surface resistance at microwave frequencies. Re-entrant cavity (800 MHz)

  39. We will be happy to answer your questions or enquiries. You may reach us at info@qwed.com.pl

  40. Thank you for your attention and interest in QWED

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