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absorbing boundary conditions
my friend scan someone help me bout gerrit murs boundary conditons, i have written a program with second order approximation in 3d but exactly on the boundaires my program is not absorbing namely still some amount of wave is not abosrbed can anyone t...
Electromagnetic Design and Simulation :: 08 Jun 2006 17:13 :: elektr0 :: Replies: 1 :: Views: 300
fdtd
hi every body does anyone can help and provide an fdtd code to solve non-linear differential equations especially to slove the e and h fields inside microwaveferrite devices (circulators and isolators)?thanks...
RF, Microwave, Antennas and Optics :: 08 Jun 2006 9:09 :: bongao :: Replies: 9 :: Views: 2782
left-handed materials simulations using cst mws
hi, i was trying to reproduce the simulation results of t. weiland et al. in the papert weiland et al. j. appl. phys. volume 90 number 10 2001. the authors try to simulate a split ring resonator (srr) in mws. i find that the results of the resona...
Electromagnetic Design and Simulation :: 03 Jun 2006 21:34 :: abuantenna :: Replies: 15 :: Views: 1134
cst question
hello,are there any examples about the use of the macro language on cst microwave studio?...
Electromagnetic Design and Simulation :: 29 May 2006 0:20 :: cruise :: Replies: 2 :: Views: 222
cst
hello everyone,i am trying to import cst microwave studio time simulations results to matlab, the ascii export works but is very tedious and cannot be used for 3d field results. is there a method to import cst microwave studio field results files (.t...
Electromagnetic Design and Simulation :: 25 May 2006 10:17 :: LowID :: Replies: 3 :: Views: 426
help, how to input an arbitrary excitation signal in cst?
hello, can anyone tell me how to input an arbitrary excitation signal in cst? i know that this can be done in xfdtd. thanks for your attention....
Electromagnetic Design and Simulation :: 25 May 2006 9:30 :: LowID :: Replies: 10 :: Views: 561
which software is the best to simulate the printed dipole
i want to simulate a printed dipole on a pcb substract, and i want to know which software is the best one to realize this. in addition, i d like to tune the structural parameters (such as length, width and angles etc.) for optimization of the design,...
Electromagnetic Design and Simulation :: 13 May 2006 22:55 :: antennas321 :: Replies: 4 :: Views: 438
not so simple (?) : te10 mode in horn waveguide antenna.
hi,the te10 mode in a rectangular waveguide has longitudinal components of magnetic fieldit means that the port excitation sets the e-field component which is perpendicular to the larger side of the guide.what happens if the guide is excited followin...
RF, Microwave, Antennas and Optics :: 10 May 2006 7:55 :: littlindian :: Replies: 4 :: Views: 291
cst aperture coupled antenna far field computation issue
i am trying to simulate an aperture coupled microstrip antenna in cst microwave studio but it is giving error parallel symmetry planes! no farfield calculation possible what is the problem i havent set any symmetry plane! why i am not able to get faf...
Electromagnetic Design and Simulation :: 06 May 2006 7:57 :: cyai :: Replies: 2 :: Views: 255
cst aperture coupled antenna far field computation issue
i am trying to simulate an aperture coupled microstrip antenna in cst microwave studio but it is giving error parallel symmetry planes! no farfield calculation possiblewhat is the problem i havent set any symmetry plane! why i am not able to get ...
RF, Microwave, Antennas and Optics :: 03 May 2006 11:51 :: zubair :: Replies: 0 :: Views: 129
help about hfss!
given the specified frequency and model dimensions,an extreamly large mesh will be required to produce an accurate solution?how to solve this problem?pls help me,thanks!...
Electromagnetic Design and Simulation :: 02 May 2006 10:52 :: mirriyaz :: Replies: 5 :: Views: 315
finite integration method
i need information about the finite integration method, basics and methodology. if someone can help me it will be great.if someone has information about moment method it can be useful too. thanks...
Mathematics & Physics :: 24 Apr 2006 19:26 :: LouisSheffield :: Replies: 3 :: Views: 285
new solver module in cst
cst - computer simulation technology announces augmentation of its 3d em field solver palette. the new module, based on the multilevel fast multipole method (mlfmm), is dedicated to tackling electrically large problems and will be available in q3 of ...
Electromagnetic Design and Simulation :: 17 Apr 2006 11:43 :: plasma :: Replies: 0 :: Views: 210
using microwave studio (mws) for optical simulations
hidoes anybody of you has experience in simulating optical components ( like cmos pixels ) with mws.i know that microwave studio is intended for calculating rf-electromagnetic fields ( e,h-field ...) but as light is also an electromagnetic field i th...
Electromagnetic Design and Simulation :: 13 Apr 2006 17:32 :: adel_48 :: Replies: 2 :: Views: 255
uwb antenna simulation
i want to do some simulation on uwb antenna. can any one help me....
Electromagnetic Design and Simulation :: 13 Apr 2006 17:05 :: adel_48 :: Replies: 2 :: Views: 429
please help me with cst excitation
am tryin to simulate a stripline feed patch antenna with cst microwave and am facin the excitation dilemma of that stripline. so please if anybody has a clue, dont hesitate to give me the needed information or send me a simulation model.thanks for yo...
Electromagnetic Design and Simulation :: 12 Apr 2006 19:58 :: walid_atitallah :: Replies: 4 :: Views: 270
which software to choose for directional bridge simulation?
hello!which software is best suited for simulation of directional couplers (frequency 40 mhz to 3 ghz)? ads? ansoft? what else?cu...
Electromagnetic Design and Simulation :: 05 Apr 2006 22:01 :: navuho :: Replies: 2 :: Views: 309
surface currents in cst
when i try to simulate surface currents in cst it says that current monitor only considers electric conductivity and will be ignored for dispersive material behaviour. how can i fix this? i am using pec for the sma connector and copper for the micros...
Electromagnetic Design and Simulation :: 05 Apr 2006 15:07 :: adel_48 :: Replies: 1 :: Views: 204
cst and 64 bit windows
hi,is cst v 5.1 working with windows 64 bit ? i tried to install it but ive got problem....
Electromagnetic Design and Simulation :: 05 Apr 2006 15:00 :: adel_48 :: Replies: 1 :: Views: 207
s parameters in cst mws or hfss
hi all, another of my rather silly doubts. suppoase you have a two port microwave device. how does cst mws or hfss get the s parameters. definition of s parameters require matching of ports by characteristic impedances. how do these soft...
Electromagnetic Design and Simulation :: 25 Mar 2006 2:17 :: cvenkat :: Replies: 8 :: Views: 1278
dipole in cst microwave studio
hello,i have a structure requiring an excitation using an ideal dipole (infinitismal dipole) is there a method to implement it in microwave studio.thanks,adel...
Electromagnetic Design and Simulation :: 24 Mar 2006 23:07 :: adel_48 :: Replies: 0 :: Views: 246
cst microwave studio
hi,does anybody knows if the 32bit of cst microwave studio runs on 64 bit machines?thank you,adel...
Electromagnetic Design and Simulation :: 22 Mar 2006 17:09 :: navuho :: Replies: 1 :: Views: 267
cst microwave studio v5.0
hi,does anyone have tutorial example that is useful for learning to use cst microwave studio for microstrip circuit design?any help will be much appreciatedthank you...
Electromagnetic Design and Simulation :: 15 Mar 2006 18:43 :: adel_48 :: Replies: 1 :: Views: 906
electromagnetic
hi all,i want to discuss here about electromagnetic softwares.for example in analog design we have orcad, proteus, multisim and etc.is there any programs related to electromagnetic?regards....
Electromagnetic Design and Simulation :: 05 Feb 2006 10:57 :: adel_48 :: Replies: 5 :: Views: 696
cst discrete port problem
hey,ive got a problem when using a discrete port in cst microwave studio 5.1.2. its a pretty basic thing, i think.i want to do a transient analyses for a simple monopole structure. so i choose a discrete port between the monopole and the pec surface....
Electromagnetic Design and Simulation :: 02 Feb 2006 7:06 :: Pushhead :: Replies: 4 :: Views: 582
ADS
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construction of disperstion diagram with hfss
hello,i just start using hfss. i try to construct the dispersion diagram of sievenpiper’s structure and i need help to do this. can somebody help me how to do this.best regards...
Electromagnetic Design and Simulation :: 27 Jan 2006 12:03 :: mouloud :: Replies: 2 :: Views: 312
lumped element in cst mwo
does anybody ever try to use the lumped element in the cst simulation?i added a capacitor between two ports, and i got a total different result as if i export the touchstone file at first and add it in a circuit simulator.i really dont know why. cou...
Electromagnetic Design and Simulation :: 22 Dec 2005 16:33 :: mwmmboy :: Replies: 5 :: Views: 925
find out what vba objects do in cst
using some examples i wrote a small code in vba of cst microwave studio in order to calculate the sar. i wrote here a part of the code. the program is running ok in a cst model i have made. i need to know what calculations do the object named sar in ...
Electromagnetic Design and Simulation :: 12 Dec 2005 12:22 :: mallias :: Replies: 0 :: Views: 231
nminem
dear all,im intrested in numerical methods in electromagnetic. looking for a source for fit (finite integration technique). whether you know an uwb antenna simulated by fit method?waiting for your reply.best regards....
Electromagnetic Design and Simulation :: 30 Nov 2005 15:32 :: Element7k :: Replies: 1 :: Views: 255
help with cst : microstrip antenna
hii have to simulate a 10 ghz ms antenna.ξ = 4.3 substrate=1.6ie3d refused to define the port for this saying thickness to frequency ratio is large.then i tried cst but its issuing warning.some higher propagating modes at port 1 have not been ...
Electromagnetic Design and Simulation :: 09 Nov 2005 21:05 :: crazy_dude :: Replies: 7 :: Views: 591
cst (em & mw) tutorials
hi, can anyone upload getting started manual and the tutorials of cst em studio andcst mw studio...
Electromagnetic Design and Simulation :: 12 Oct 2005 17:31 :: eckypting :: Replies: 1 :: Views: 459
cadence and antenna design
hi folks,can anyone please tell me of cadence is suitable for designing and analysing rfid tag antennas at 13.56mhz?im looking to do 2d and 3d plots of the magnetic field.thanks for your timeregardscatalyst...
RF, Microwave, Antennas and Optics :: 23 Sep 2005 5:41 :: jian :: Replies: 2 :: Views: 366
ar filter in mws
hi, can anyone provide me documentation in detail on what ar filter can do in mws (obviously it extrpolates the fdtd signals). i want to know the meaning of various terms involved and how to use them to obtain accurate results. thanks.-svarun...
Electromagnetic Design and Simulation :: 14 Sep 2005 22:38 :: eckypting :: Replies: 2 :: Views: 855
em solver vs. device solver ?
hi all:one topic in which i am interested is the comparison between em solvers and device solvers.in order to model a metal on-chip, such asan interconnect over a multilayered sio2 & si structure, i limit my solution with twochoices:1) using em solv...
Electromagnetic Design and Simulation :: 30 Aug 2005 23:25 :: rautio :: Replies: 6 :: Views: 1160
need your suggestion regarding 3d em simulator
hi all,i am new to this forrum. for the last 2 months i am working on ie3d for the design and simulation of planar inductor and i am fabricating the device too.i want to know why the simulator is taking so much time to simulate my design at higher f...
Electromagnetic Design and Simulation :: 30 Aug 2005 20:57 :: jian :: Replies: 3 :: Views: 366
designing microstrip antenna using hfss
hii want to simulate a h shaped microstrip antenna using hfss with this dimensions(mm)sl=15hr=1.52wa=40la=40εr=3.38sl=slot lengthsslot width= 1ground plane=80×80resonant frequency=1.397ghzthe patches are fed through a coaxial probe and are match...
Electromagnetic Design and Simulation :: 30 Aug 2005 17:38 :: sassyboy :: Replies: 1 :: Views: 867
hfss - pml guidelines needed
hello all,i am having trouble simulating my antenna, not due to errors but because of the time it is taking to create the mesh. i had the simulation running last night for 6 hours and it didnt seem to get very far.the model is basically this slow be...
Electromagnetic Design and Simulation :: 16 Aug 2005 21:17 :: jjantenna :: Replies: 9 :: Views: 1284
how to assign a port for stripline
i want to simulate a transition from microstrip to stripline.my questions are listed below.1) how to assign a port for stripline?2) i know how to assign a port to microstrip, both waveport and lumped port are ok.but in my example, which one is better...
Electromagnetic Design and Simulation :: 09 Aug 2005 8:23 :: wlcsp :: Replies: 9 :: Views: 615
what is full wave analysis?
i find that it is used by many rf circuits design, but i dont know its real meaning.i also want to know how to complete it?can you help me?...
RF, Microwave, Antennas and Optics :: 05 Aug 2005 18:15 :: rautio :: Replies: 5 :: Views: 570
question about cst microwave studio
is it possible to simulate differential port in cst microwave studio?...
Software Problems, Hints and Reviews :: 04 Aug 2005 10:34 :: srull :: Replies: 2 :: Views: 545
antenna pattern calculation/plotting -- howto?
hi i have a question, lets say ive designed a patch antenna in ads/momentum and saved the 3d field pattern.is there any software which will allow me to see the field pattern generated by many of these patches in an arbitrary arrangement and orientat...
RF, Microwave, Antennas and Optics :: 04 Aug 2005 10:32 :: srull :: Replies: 4 :: Views: 991
the best tool to solve the resonator problem
to solve the resonator problem like resonator cavity filters,whats u opinion?...
RF, Microwave, Antennas and Optics :: 04 Aug 2005 10:11 :: srull :: Replies: 2 :: Views: 240
help with hfss lumped port
hi,i was wondering how does one feed a stripline with a lumped port in hfss.for microstrip, you would make a rectangle from the upper conducter line to the the ground and insert an integration line from bottom to top.how does one do this for striplin...
Electromagnetic Design and Simulation :: 12 Jul 2005 11:00 :: cvenkat :: Replies: 11 :: Views: 1725
design microwave cavity filter with cst or hfss
hi! everybody,i have cst and hfss.i want to design a microwave cavity filter,but i dont know which is better,cst or hfss?who can give me some suggest...
Electromagnetic Design and Simulation :: 09 Jul 2005 5:45 :: shockwave :: Replies: 2 :: Views: 876
simulation
helloi would like some recommendation from users on an econimical rf simulator for pcb layout.i have a requirement to simulate / optimise / match a f or sma connector input to the input of mopll device for satellite 900-2200mhz but i have not ever d...
RF, Microwave, Antennas and Optics :: 25 Jun 2005 20:48 :: Frosty :: Replies: 3 :: Views: 309
how 2 design pifa for bluetooth & 802.11b ?
i searched it everywhere, but no result.i need just the formula to design it ,not the dimension of it .if anyone knows, plz tell me, thank u....
RF, Microwave, Antennas and Optics :: 23 Jun 2005 12:40 :: elkimhoc :: Replies: 18 :: Views: 1087
electromagnetic simulators market
i would like to have a better idea on the following topics:1) how big is the global market for electromagnetic simulator and what are the growth prospects in the next 5 or 10 years?2) what are the most important application areas that are not yet ser...
Electromagnetic Design and Simulation :: 18 Jun 2005 13:55 :: lagrange :: Replies: 18 :: Views: 1095
some info on cst products
cst previews significant new software release: cst microwave studio® 2006for a little bit more information:http://www.cst.com/content/news/documents/2005_suite_preview_mtt_web.pdf...
Electromagnetic Design and Simulation :: 14 Jun 2005 5:22 :: irfan1 :: Replies: 2 :: Views: 291
em optimization
it seems to me that very few em simulators can do optimization because em simulation is already time-consuming. fortunately, i compared several simulators and found ie3d could do that. i did succeed in optimizing a single variable among the length, w...
Electromagnetic Design and Simulation :: 12 Jun 2005 16:44 :: mwagner :: Replies: 4 :: Views: 483
fem or mom (ansoft)
hi everybody!how do you think, what is the best simulating software for antennas (pratch) - i have hfss - based on finite element method and ensemble, based on method of moments. both methods are similar, but may be one of tehm will be most accurate ...
Electromagnetic Design and Simulation :: 10 Jun 2005 15:09 :: paolone1340 :: Replies: 25 :: Views: 1170
choke circuit for waveguide switch?
dear helper,i design waveguide switch by cst microwave studio.waveguide swich has chennel. its one, two and three channel.i try to simulate it. but its complex circuit for simulation.so i dont have good result. its difficult to simulate.i dont unders...
RF, Microwave, Antennas and Optics :: 07 Jun 2005 6:00 :: HOHOH :: Replies: 2 :: Views: 285
ebg filters
hi i am looking for a good efernce about ebg filters.thx...
RF, Microwave, Antennas and Optics :: 26 May 2005 19:21 :: noob :: Replies: 12 :: Views: 1827
which software to simulate and optimise ku microstrip filter
use which one to simulate high frequency circuit?hfss?zeland ie3d?cst?sonnet?ensemble?which one is the fastest?which one is most precise?thanks...
RF, Microwave, Antennas and Optics :: 02 May 2005 14:03 :: biff44 :: Replies: 7 :: Views: 354
<cst question> port impedance
hello everyone,im simulating a piece of 50 ohm microstrip line using cst mws 4.3.ive defined an input and an output port and simulated the line with nospecial difficulty.so far so good.the problem :the output port must connect to the antenna, which i...
Electromagnetic Design and Simulation :: 19 Mar 2005 1:42 :: fekete :: Replies: 6 :: Views: 450
new versions of cst products have been released!
cst mws 5.1.1, cst ds 3.1.1 and cst ems 2.1.1. have been released. any information on new features or fixed problems, particulrly for cst mws, would be appreciated.thanks in advance...
Electromagnetic Design and Simulation :: 17 Mar 2005 17:55 :: eirp :: Replies: 4 :: Views: 981
waveguide coupler design
hi everyone, i will need to design a waveguide coupler for wr-34 and the center frequency in 28ghz. coupling required=10db, directivity>30db.can you help me? thank you in advance...
RF, Microwave, Antennas and Optics :: 25 Feb 2005 17:49 :: elusquinos :: Replies: 6 :: Views: 624
enclosure for microwave circuits
hi all,any advice on the design of metal enclosures for microwave circuits? dimensions, positioning of connectors and dc input etc....thanks!...
RF, Microwave, Antennas and Optics :: 24 Feb 2005 21:02 :: rautio :: Replies: 7 :: Views: 459
why buy an expensive em simulator?
this is an issue that bugs me for a long time, and i noticed that i am not the only one bothered by the high prices of em solvers.i am not asking why are they so expensive; there are reasons for that, all the promotions, free workshops, advertising i...
Electromagnetic Design and Simulation :: 11 Feb 2005 16:35 :: Debeli :: Replies: 22 :: Views: 2451
simple question about the hfss and cst
cst: microwave studio tm, i want to know what is the meaning of tm? hfss®, what is ® here?please! thank you!jackle...
Electromagnetic Design and Simulation :: 19 Jan 2005 10:02 :: borich_03 :: Replies: 1 :: Views: 240
evanescent microwave probe stripline simulation
does anyone have experience and/or suggestions with the criticalparameters for designing an evanescent microwave probe(using stripline) and how one determines its performanceusing simulation tools. i am currently using mws, but i read that maybe anal...
Electromagnetic Design and Simulation :: 17 Jan 2005 16:47 :: loucy :: Replies: 5 :: Views: 1119
cst use
i have just begun the use of cst microwave studio, and for the meantime i me have not find a lot of examples. if someone can help me while indicating to me where to find the documentation to return me, you will help me a big....
RF, Microwave, Antennas and Optics :: 13 Jan 2005 19:14 :: Ray_Chang :: Replies: 6 :: Views: 731
emc/emi with cst
hi, does anyone have cst examples or tutorials on emi/emc? please upload...thanks...
Electromagnetic Design and Simulation :: 12 Jan 2005 10:21 :: yuyu :: Replies: 5 :: Views: 825
cst microwave studio 5
hallo,my company has microwave studio and i use it during my lunch hour and am trying to design a feedhorn.i have run into some problems and wonder if someone could look at the files and help me out. i have asked for help at work, but due to current ...
Software Problems, Hints and Reviews :: 01 Jan 2005 22:37 :: eddyboy :: Replies: 0 :: Views: 330
[cst-mws] - vswr-circle in smithchart plots
well... with a little help of ready-made macros... here it is:feel free to test it...mogwai.ps. copy it into /macros directory under the main mws install path...hi all!ill try to setup a vba script in order to plot vswr circles in microwave studios s...
Electromagnetic Design and Simulation :: 30 Dec 2004 9:43 :: mogwai :: Replies: 0 :: Views: 240
any tutorials for cst software?
is there any online material for cst design studio, microwave studio?...
Electromagnetic Design and Simulation :: 24 Dec 2004 10:03 :: maple :: Replies: 1 :: Views: 276
soft for 915 mhz antenna design?
what package is the best for 915 mhz antenna design? *****************************************please dont reply unless you have useful information to add on this post.thanks....
RF, Microwave, Antennas and Optics :: 15 Dec 2004 4:51 :: bsiswoyo :: Replies: 9 :: Views: 1965
about design antenna tools ..
we can use hfss to design patch antenna ,or use nec to do it .i use supernec to do it .to caculate the antenna factor , gain , pattern ...but some times , it spent much time . are there any other better tools to do it ?best regards ....
Electromagnetic Design and Simulation :: 14 Dec 2004 16:28 :: eirp :: Replies: 12 :: Views: 792
what can cst design studio do?
i browse the cst website. there is no enough introduction to this software. anybody, who is aware of this issue, can shed a light. my interest lies in simulation of 3d em problems....
Electromagnetic Design and Simulation :: 14 Dec 2004 8:44 :: Matt :: Replies: 2 :: Views: 288
cst microwave studio v5 - trial version ?
hi,please ignore, if i post this in a wrong place ... im so sorry for that ..:( im 3rd year student, id like to learn and try the cst microwavestudio so much but have no access to this software..cst company doesnt provides its trial software to stude...
RF, Microwave, Antennas and Optics :: 29 Nov 2004 14:26 :: Lise82 :: Replies: 5 :: Views: 870
electric large antenna simulation with cst hfss or feko
now electric large antenna simulation is a difficult disk. i want to know whch one of cst hfss and feko is good at in the electric large antenna simulation! thanks a lot! ...
Electromagnetic Design and Simulation :: 28 Nov 2004 12:33 :: RFSimulator :: Replies: 7 :: Views: 798
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