WHO WE ARE
description
Transcript of WHO WE ARE
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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.
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QWED Sp. z o.o.
ul. Krzywickiego 12 lok.1
02-078 Warsaw, POLAND
fax: +48 22 621 62 99
tel.: +48 22 625 73 19
www.qwed.com.pl
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What We Do
We invent
and commercially develop
electromagnetic software packages,
of the QuickWave series and apply to
electromagnetic research and industrial
design
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What Is QuickWave
QuickWave
is a cutting edge software which
makes possible electromagnetic analysis
and reliable design
without hardware prototyping
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QuickWave-3D
QW-3D - Our Flagship Product
A general-purpose 3D electromagnetic software
Includes QW-Editor and QW-Simulator, in a full 3D regime
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QW-V2DA 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
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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.
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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.
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Areas of Software Applicationin Industry
• Telecommunication industry• Electronics industry• Microwave oven industry• Automobile industry • Food processing industry• Industrial microwave chemistry
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Areas of Software Applicationin Science
• Space and atmosphere research • Microwave heating • Electromagnetic impact on biological
tissues• Electronics
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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
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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, 278You 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
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Examples of Application (ex.2)
Design, measurements and QW-3D simulations: T.Schnabel, Zomatch, CA
E-plane waveguide diplexer
Transmission into higher-frequency (upper) and lower-frequency(lower)
channels:
measurements
simulations
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Examples of Applications
(ex.3)Pyramidal horn antenna
Design & measurements: Prof.B.Stec,Technical Military Academy, PolandSimulations: QWED
6 GHz
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-20
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0
0
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------ vertical plane measured
____ vertical plane simulated
------ horizontal plane measured
____ horizontal plane simulated
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Examples of Application (ex.4)
Axisymmetrical corrugated horn
H at 13.75GHz
Radiation patterns at 13.75 GHz
Design & measurements: P.Brachat, IEEE Trans. AP, April 1994QW-V2D simulations: QWED
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Examples of Application (ex.5)
Dielectric waveguide coupler - a tutorial example from QW-3D manual
Low-permittivity dielectric cross with high-permittivity slab
Fundamental mode pattern at 96.7 GHz
Envelope of vertical E-field at 95 GHz
Wide-band S-parameters indicating power loss due to higher modes and /or
radation
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Examples of Application (ex.6)A tutorial example of TDR from QW-3D manual
A strip-line structure terminated with a narrow grounded strip; lower half due to magnetic symmetry condition considered
Time-domain electric (above) and magnetic (below) fields revealing location and kind of the discontinuity
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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.
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Examples of Application More on microwave heating
http://www.wpi.edu/Academics/Depts/Math/CIMS/immg/activ.htm
For more examples of QW-3D application by our users, please refer to the projects run at Worcester Polytechnic Institute and reported at:
Comparative Analysis of Commercial Electromagnetic Software
You will also find there an independent review of commercial EM software packages:
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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
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Unique Features
standard FDTD conformal mesh in QW-3D
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examples of conformal cells in QuickWave
standard FDTD cells
in “stair-case” FDTD
air dielectric metal
dielectric media interfaces metal boundaries
Unique Features
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Unique Features
coaxial line in QW-3D (left) and in stair-case FDTD (right)
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Unique Features
Offset metal boundary creating a small cell:1. Stair-case - neglect small cell2. Brute force conformal - leave small cell, reduce time
step3. 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
PEC
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Unique Features some specialised libraries
Our typical dialogue for
parameter setting
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Accurate S-parameter extraction including multi-modal transmission lines
and evanescent modesAllows circuit partitioning close to discontinuities
For details and examples, please refer to QWED's past events and look for May 2001 IEEE IMS presentation by W. Gwarek
Unique Features
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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 events on www.qwed.com.pl and look for June 2001 IEEE IMS workshop presentation by W. Gwarek
Unique Features
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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
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Our Sales Orientation
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QWED’s Prizes
1998
The EuropeanInformation TechnologyPrizeFrom European
Commission and Euro-Case
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QWED’s Prizes
1999
The Prime Minister
of Poland
Award
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QWED’s Prizes
2000
Master of Technology
Award
From Polish Federation of Engineering Associations
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QWED’s Prizes
2000
Proton Award
From State Committee for Scientific Research and Proton TV programme
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QWED’s Prizes
2001Leader in Software Export
From Polish Software Market Association
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QWED’s Prizes
2006Leader in Software Export 2005
From Polish Software Market Association
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QWED’s Certificate
2007The Certificate from Military Center for Standardization, Quality Assurance and Codification
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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.
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Joint Consulting Activities
In collaboration with Prof.Jerzy Krupka,
resonators for measurements of:• complex permittivity, • complex permeability• surface resistance at microwave frequencies.
Split post dielectric resonator (5.6 GHz)
Re-entrant cavity (800 MHz)
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We will be happy to answer your questions or enquiries.
You may reach us at
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Thank you for your attention and interest in
QWED