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reflectarray cst simulation
dear all,i want to simulate a reflectarray in cst2008. in tsolver, when i use a horn as feed, the results are not valid. in i-solver the simulation do not converge (horn or ff-source)! and in f-solver a plane-wave source lead in rcs, only!would you p...
Electromagnetic Design and Simulation :: 18 Nov 2009 14:27 :: answa :: Replies: 5 :: Views: 216
horn antenna in cst mws 2009
hi everybody,im trying to construct a pyramidal horn antenna in cst microwave studio 2009, just dont know how to start the drawing.anybody can point me to the right direction on how to construct a horn antenna by providing some link, tutorial or even...
Electromagnetic Design and Simulation :: 10 Nov 2009 20:08 :: winsonwhy :: Replies: 7 :: Views: 372
in general, which method is recommended in cst simulation?
i simulate the structure of bow-tie nano-aperture with cst microwave studio 2008.(there is a metal slit and we excite the plane wave foward to the metal slit and measure the power transmission at the opposite side of metal slit)in frequency domain so...
Electromagnetic Design and Simulation :: 09 Nov 2009 18:17 :: happytgt :: Replies: 0 :: Views: 54
master thesis suggestions needed
hi all,i have a dream to become an antenna design engineer. unfortunately, until now i still stuck here as digital engineer.so, plan to further master on antenna so i can better chance to pursue my dream job.need you guys suggestion on which topic ar...
RF, Microwave, Antennas and Optics :: 04 Nov 2009 11:19 :: mosizaza :: Replies: 1 :: Views: 150
in cst 3d simulation, which is more accurate?
in cst microwave studio frequency domain solver,1. mesh 2,000,000 & 1st order(low memory)2. mesh 350,000 & 2nd order(high memory) & adaptive mesh refinement(about 5~6 number of passes)in general, which is more accurate?...
Electromagnetic Design and Simulation :: 04 Nov 2009 8:52 :: happytgt :: Replies: 0 :: Views: 42
microstrip patch antenna design in cst for basic users
please some one help me by giving basics tutorial for desinging mictristrip patch antenna using transmission line please help me....
Electromagnetic Design and Simulation :: 03 Nov 2009 19:23 :: zeeshanqam :: Replies: 2 :: Views: 237
cst convergence problem....(frequency domain solver)
i use cst microwave studio 2008....(sorry .. my english is poor)there is a aperture of nano-size on the surface of the metal(gold) and we emission the plane wave foward to the aperture and observe the power flow distribution.(frequency : 309thz , wav...
Electromagnetic Design and Simulation :: 03 Nov 2009 7:01 :: happytgt :: Replies: 0 :: Views: 51
design simple band pass filter in cst microwave studio
hi freindsi have designed simple band pass filter using cst mws 2008.i used cst microwave studio from cst design environment.after design the band pass filter in cst microwave studio, there is another block (default) mwsschem1.how can i remove this. ...
Electromagnetic Design and Simulation :: 02 Nov 2009 2:20 :: kaandee :: Replies: 0 :: Views: 90
hfss tutorial for transmission line vias
hi, i have been contacted by many people from edaboard forum about hfss tutorial. so, i have uploded a tutorial with its hfss projects.i hope this work will be helpfull....
Electromagnetic Design and Simulation :: 31 Oct 2009 9:25 :: breadpig :: Replies: 211 :: Views: 57469
plasma material simulation
i am interested in starting the simulation of plasma materials. does any 3d em solver allow the behavior of frequency dependant epsilon_r ? thanks...
Electromagnetic Design and Simulation :: 27 Oct 2009 6:57 :: steve_rb :: Replies: 3 :: Views: 696
7 examples of antenna from cstexamples
for those who whant to learn more check the swr andrun the examples for patternes.rgzi dont see reasonable argument why it leave here.there examples are really from install cd. im not giving plasma any warning coz i suppose it was made in good intent...
Electromagnetic Design and Simulation :: 26 Oct 2009 8:26 :: steve_rb :: Replies: 3 :: Views: 1282
cst microwave studio simulation error
hiiiii allplz tell me how can i remove the error memory resources exhaustedand crroe in calculating solver matrixwhich appears when i simulate the human head model with direct contact with antenna.plz help me in this area.its very urgent...
Electromagnetic Design and Simulation :: 25 Oct 2009 5:57 :: ravi8331 :: Replies: 2 :: Views: 312
help me: phd looking for a rf filter/diplexer design job
hi, dear all, i, phd in microwave 2005, am looking for a senior rf filter/diplexer design job. i can professionally use hfss, cst and matlab, and primarily use ads. i have over 10 years design experience in rf filter design, incl. coaxial, h...
EDA Jobs, Promotions, Advertising :: 14 Oct 2009 15:19 :: cwjcwjcwj :: Replies: 1 :: Views: 270
feko software
ive two questionsis feko the right simulation software for designing and analysing an aperture-coupled microstrip antenna? is there a software which is a hybrid of fem and mom?...
Electromagnetic Design and Simulation :: 13 Oct 2009 15:43 :: EdMaxwell :: Replies: 6 :: Views: 1047
matrixcalc.exe has encountered a problem + cst
matrixcalc.exe has encountered a problem and needs to close. we are sorry for the inconvenience . i receive this mesage wheni tried to simulate a structure in cst microwave 2008can anybody please help to solve the problem with regards ,lkminz...
Electromagnetic Design and Simulation :: 13 Oct 2009 5:06 :: lkminz :: Replies: 0 :: Views: 105
cst mws - microstrip; length changes s11
hi,i am simulating microstrip in cst. but i have problem. if i change length of microstrip changes s11 too. i think, that is not correct. can you tell me how should i set cst?thank...
RF, Microwave, Antennas and Optics :: 12 Oct 2009 13:54 :: biff44 :: Replies: 2 :: Views: 195
cst for plasmon-polariton directional coupler
hi!i am trying to simulate an optical directional coupler using cst microwave studio. the device consists of two air slits of width equal to 100 nm embedded in gold. the operating wavelength is 1.55 um and the distance between the slits is 120 nm. wi...
Electromagnetic Design and Simulation :: 07 Oct 2009 18:26 :: And Silva :: Replies: 0 :: Views: 111
help needed in cst to reach steady state condition
hi i am new to cst software. i m trying to make a coil excited with current source. i got this error( mesh representation of discrete port1 is a single point). then i increased the mesh n simulation ran but didnt reach the steady state condition..wh...
Electromagnetic Design and Simulation :: 03 Oct 2009 17:26 :: parameswari :: Replies: 4 :: Views: 267
gain vs frequency plot
hello i want to plot gain vs frequency of the antenna using cst microwave studio.plz tell me how can i do this in cst????????...
Electromagnetic Design and Simulation :: 01 Oct 2009 8:05 :: ravi8331 :: Replies: 2 :: Views: 282
computer hardware for cst
hii want to provide a desktop computer optimized to run cst microwave studio. may anyone help me for the best specification of parts including cpu, motherboard,... . i want it to support the maximum value of ram and perform at the max speed. i also d...
RF, Microwave, Antennas and Optics :: 29 Sep 2009 7:25 :: AmirMohammad :: Replies: 4 :: Views: 228
helical antenna design
hi can somebody tell me is helical antenna is suitable to design at a frequency range between 8-9 ghz. i am using 4nec2 for the design of antennas but how can i design a helical antenna on this software, there are no manuals or tutorials associate...
RF, Microwave, Antennas and Optics :: 25 Sep 2009 2:14 :: winsent :: Replies: 22 :: Views: 8872
query in waveguide excitation in cst microwave studio
hi alli would like to know whether it is possible to specify a power that is excited using waveguide port. in the cst documentation it was mentioned that its value is set to 1sqrt(watt) but i would like to specify it for my simulation.best regardsman...
Electromagnetic Design and Simulation :: 17 Sep 2009 16:45 :: manushanker20 :: Replies: 0 :: Views: 120
what is best software to aid in antenna design?
hi all,may i know the pros and cons of the various commercial software for antenna design... example -->ansoft designer, microwave office etcthanksnewbie101...
RF, Microwave, Antennas and Optics :: 16 Sep 2009 15:49 :: 2009kucing :: Replies: 41 :: Views: 5010
x-band lna design
could someone tell me which transistor would best suit for 8.3 - 8.7 ghz ? and also a design approach to meet the requirements.gain: 45dbgain stability: 0.5dboutput impedance 50 ohmsi/o vswr: < 1.3dc power: ...
RF, Microwave, Antennas and Optics :: 01 Sep 2009 7:31 :: neazoi :: Replies: 6 :: Views: 1070
power transmitted and power loss
can anyone help me for finding the power transmitted for individual mode for any structure in cst-microwave studio....
RF, Microwave, Antennas and Optics :: 31 Aug 2009 8:22 :: smrity :: Replies: 0 :: Views: 87
help~~ new beginner for cst simulation
hi all! ive designed a microstrip patch antenna with cst microwave. the radiation efficiency is quite small and different from other students.could someone please explain me where did i wrong? ive attached my model. thanks in advance....
Electromagnetic Design and Simulation :: 25 Aug 2009 4:22 :: jstella :: Replies: 0 :: Views: 218
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how to used cst sofware to design filter
anyone can help me to design bandpass filter using cst or give website to me to refer...
RF, Microwave, Antennas and Optics :: 23 Aug 2009 17:21 :: enrico :: Replies: 7 :: Views: 516
fm dipole antenna - antenna does not operate right
i am simulating a fm dipole antenna ithat operate at 88 -108 mhz in hfss . but this anten operates wrong.could do anybody help me?...
Electromagnetic Design and Simulation :: 12 Aug 2009 15:27 :: micky74 :: Replies: 13 :: Views: 1119
what is the best way to design a helix antenna?
hi all,can anyone tell me what is the best way to design a helix antenna as per the specs below? to build the helix antenna, the spec that i should follow is:1)frequency = 3550mhz2) no. of turns is 203) turn spacing is 0.1 wavelengthwaiting for ur r...
RF, Microwave, Antennas and Optics :: 10 Aug 2009 10:46 :: saran7507 :: Replies: 9 :: Views: 501
mician microwave wizard
hi uwave folks,has anyone of you any experience on mician microwave wizard? it should be capable of aiding in waveguide structure design, and id like to know more. perhaps it might be better to some filter problems than the normal 3d simulators such ...
RF, Microwave, Antennas and Optics :: 06 Aug 2009 17:28 :: freeman T :: Replies: 10 :: Views: 1815
3d simulation of lumped components in cst mws
hello friends i am new user for cst family. i have problem regarding 3d simulation in cst microwave studio.i have circuit with some lumped capactior for biasing purpose. i dont know how to use them in cst mws. capacitors are multilayer and there is ...
RF, Microwave, Antennas and Optics :: 06 Aug 2009 12:34 :: aks441 :: Replies: 0 :: Views: 141
how to simulate electromagnetic effect on brain (cst) ?
hi , im a new user of cst microwave , and i would like to simulate the electromagnetic effects of a mobile phone on brain .i already made a simple dipole antenna with a discret port , but i would like to know if i had to put a waveguide port on the b...
Electromagnetic Design and Simulation :: 06 Aug 2009 7:18 :: jongjong :: Replies: 1 :: Views: 192
dual core cpus and hfss, cst
can hfss and cst support dual cor cpus?which versions?...
Electromagnetic Design and Simulation :: 06 Aug 2009 7:15 :: jongjong :: Replies: 15 :: Views: 1779
[need help] rectangular microstrip antenna
can any1 pls help me figure out what is my problem?? ive design a 886mhz rect. microstrip antenna and stimulate by using microwave cst!w(patch)= 10.52cml(patch)=8.4cmh=1.6mmw(feedline)=3mml(feedline)=4.75cmsubstrate=(20cm*17.8cm)relative permitivity=...
RF, Microwave, Antennas and Optics :: 31 Jul 2009 13:42 :: mauloftin :: Replies: 5 :: Views: 279
frequency range in cst?
dear users,using transient solver in cst microwave studio i have the following problem:i would like to calculate s-parameters through a metallic periodic structure in the visible/near infrared. i use two ports in a waveguide to excite the signal and ...
Electromagnetic Design and Simulation :: 29 Jul 2009 13:57 :: daveD :: Replies: 3 :: Views: 222
microstripes 7 tutorial
hi all...anyone can help me?i need the reference manual, users guide, and tutorial for microstripes 7.thank you.....
Electromagnetic Design and Simulation :: 24 Jul 2009 19:28 :: Aya2002 :: Replies: 6 :: Views: 558
urgently need cst microwave studio 2008 manuals.....
hi guys,does anyone here have cst manuals of getting started, tutorial, and advanced topic for cst microwave studio 2008?if yes, could you attach it here?or giv me the link :dthanks and regards,dennis...
Electromagnetic Design and Simulation :: 24 Jul 2009 12:57 :: mauloftin :: Replies: 3 :: Views: 540
help in cst - changing the equilibrate mesh ratio
hi: i am trying to simulate a electromagnetic levitation problem in cst em studio. i set the mesh property like this:lower mesh limit : 30 ratio limit :50and using the adaptive mesh during the calculation, the results converges within 5 passes. to...
Electromagnetic Design and Simulation :: 22 Jul 2009 16:50 :: jpsmith123 :: Replies: 6 :: Views: 459
retrieving the refractive index
is there any simple matlab code to retrieve the refractive index for a metamaterial structure ?...
Electromagnetic Design and Simulation :: 20 Jul 2009 14:19 :: sandeep_voore21 :: Replies: 46 :: Views: 4895
cst installation on vista syatem
hello i tried lots of time to install cst microwave studio on my vista operating syatem but unable to install it.plz tell me how can i install cst on vista operating syatem.is it possible or not? is cst compatible with vista or not?...
Electromagnetic Design and Simulation :: 15 Jul 2009 13:46 :: mevadapratik :: Replies: 13 :: Views: 1446
868 mhz patch antena design for library
plz any one help me for design...
RF, Microwave, Antennas and Optics :: 15 Jul 2009 9:21 :: dong86 :: Replies: 8 :: Views: 973
rfid tag antenna design with cst microwaves studio!!!
hi,for future work, first i want to replicate the simulation presented in document 1, but i can not find the same results. i put the port of excitation between the antenna and the tag, but the results are not the same. i think the problem lies in the...
RF, Microwave, Antennas and Optics :: 14 Jul 2009 20:30 :: mitch81 :: Replies: 1 :: Views: 306
problem with hybrid ring(rat race), cst
hi all,i am designing a hybrid ring (rat race), on cst microwave studio,it have 3 ports that are on a surface an a cylinder.when i am trying to use waveguide ports on rotated ports i have problem that waveguide ports must be aligned in a plane parall...
Electromagnetic Design and Simulation :: 14 Jul 2009 14:20 :: flyhigh :: Replies: 4 :: Views: 321
best 3d em simulator
what is the best 3d em simulator?regards...
Electromagnetic Design and Simulation :: 11 Jul 2009 22:24 :: emcguy :: Replies: 55 :: Views: 9466
cst mws boundary conditions problem?
hi everybody,im new to this forum and also new to cst microwave studio. just finish constructed a structure of an l-probe patch antenna (from ieee paper) and just run the simulation by transient time solver, the curve of the return loss(s11) against ...
Electromagnetic Design and Simulation :: 06 Jul 2009 13:31 :: winsonwhy :: Replies: 14 :: Views: 841
h f s s vs c s t
t on this topic?which is one is better. ive experience in h f s s and found that it is pretty slow and memory hungury. for a circuit with two plannar inductors, it takes on more than 1gb memory. does cst offer anything better?...
Electromagnetic Design and Simulation :: 05 Jul 2009 11:03 :: shazdek0ch0l0 :: Replies: 140 :: Views: 30880
cst microwave studio: evaluating the field on a surface
in cst microwave studio 2008, i would like to evaluate the electric field on a surface, for example a sphere, and export only that data (as a function of time or frequency) and not the gobs of other data points. i tried using the results>evaluate fi...
Electromagnetic Design and Simulation :: 29 Jun 2009 23:16 :: trchan :: Replies: 0 :: Views: 156
waveguide leaky-waves slot antenna (sidelobes & cst sim.
on similar topics, but this will be summing up.i have to design and analize properties of a leaky-waves antenna. the structure is a rectangular waveguide with a long slit along its narrow side. i use cst microwave studio to simulate this structure. h...
RF, Microwave, Antennas and Optics :: 28 Jun 2009 14:03 :: biff44 :: Replies: 1 :: Views: 420
about cst microwave - problem with simulating in cst
dear colleques;i have a problem with simulating in cst such that:error occurs while simulation : error during construction of pre-conditioner. not enough memorywhat would you suggest me? could pre-conditioner statement be related with boundary con...
RF, Microwave, Antennas and Optics :: 23 Jun 2009 15:23 :: litdrop :: Replies: 4 :: Views: 318
antenna cilindrica a onde leaky con cst microwave studio
hello everyone, i have noticed from the forum that there are people prepared to cst, i am a girl from milan, i have to do a mini project about a cylindrical antenna with parallel plate using metamaterials that reproduce leaky-wave antenna. all using ...
Electromagnetic Design and Simulation :: 23 Jun 2009 0:19 :: kato01 :: Replies: 1 :: Views: 273
very bad results of hfss for an x-band waveguide filter
we have analyzed, simulated and built an x-band waveguide filter. we performed a simple circuit analysis of the filter and an analysis using hfss and later with cst microwave studio. the discrepancy between measured and circuit analysis results is sm...
RF, Microwave, Antennas and Optics :: 17 Jun 2009 3:22 :: ansonjimli :: Replies: 4 :: Views: 438
cst conformal array design
hi all,i have a problem to design a conformal array in cst. the shape of the array is a circle arc over 120° and i have problem for the microwave port and the solver. in fact, since the ports are rotated because the single elements dont point in the ...
Electromagnetic Design and Simulation :: 16 Jun 2009 11:15 :: tommy567 :: Replies: 0 :: Views: 111
which microwave design program to choose?
hi, we are supposed to design a bandpassfilter and a waveguide using one of the following programs: cst microwave,awr,ads. which one do you suggest that we should learn? ie, which one is easiest to learn and has sufficient user interface and necessar...
RF, Microwave, Antennas and Optics :: 16 Jun 2009 3:21 :: brumi :: Replies: 3 :: Views: 315
input impedance plotting - creating multiple curves question
erent diameter for the antenna. i would like to have a plot of impedance vs. frequency with several curves representing various antenna diameters. added after 5 minutes: this question involves using cst microwave studio...
Electromagnetic Design and Simulation :: 08 Jun 2009 18:28 :: whiterw :: Replies: 0 :: Views: 174
how to simulate a microstrip antenna array
id like to simulate a microstrip antenna arrry, which is consist of 16 elementes and the whole size is about 350mm*350mm. what kind of simulator is the best? momentum? ie3d?ensemble? hfss?.......thanks a lot...
Electromagnetic Design and Simulation :: 05 Jun 2009 9:52 :: mikekan :: Replies: 39 :: Views: 5870
genesis vs. microwave office
if you had to choose between either agilent genesis or awr microwave office, which would it be. ease of use, correlation between simulations and real test data, and suite cost are my biggest issues.need a linear and nonlinear simulator, emag simulat...
RF, Microwave, Antennas and Optics :: 04 Jun 2009 14:30 :: freqzt :: Replies: 22 :: Views: 2829
how to represent refraction index with cst?
i am working about patch antenna with metamaterials (the substrat=dielectriq+srrs) . my work is based on cst microwave studio. i want to represent the refraction index n of substrat and permittivity and permeability of substrat with cst simulator.how...
RF, Microwave, Antennas and Optics :: 01 Jun 2009 20:53 :: mitch81 :: Replies: 0 :: Views: 138
how to represent refraction index with cst?
i am working about patch antenna with metamaterials (the substrat=dielectriq+srrs) . my work is based on cst microwave studio. i want to represent the refraction index n of substrat and permittivity and permeability of substrat with cst simulator.how...
Electromagnetic Design and Simulation :: 01 Jun 2009 20:49 :: mitch81 :: Replies: 0 :: Views: 171
facebook community - groups for users of softwares
i am a usual reader of this forum, due to the fact that i work on antenna design and i have to use simulation software (basically feko and hfss).i think that contact between users is extremly usefull. for these reason want to use social networks to k...
Electromagnetic Design and Simulation :: 31 May 2009 8:17 :: JGemio :: Replies: 0 :: Views: 381
hfss, ie3d,cts,xfdtd tutotorials
hello everybody!im a begginer in designing antennas and im a self taught. where can i find tutorial about hfss, xfdtd, ie3d or cst microwaves because i want to learn how to use them.thanks to you all...
RF, Microwave, Antennas and Optics :: 30 May 2009 5:13 :: research scholar :: Replies: 21 :: Views: 5706
help in cst - input impedance of an antenna
please help me in finding input impedance of an antenna as a function of frequency in cst microwave studiothnx...
RF, Microwave, Antennas and Optics :: 30 May 2009 4:20 :: ravi8331 :: Replies: 1 :: Views: 219
plane wave scattering model with hfss
hallo,i try to simulate the scattering field for a infinite extended dielectric plane using hfss v.10. i used a airbox with master/slave boundaries (side walls) & pml (top and botton walls) as boundary condition and plane wave excitation. see also a...
Electromagnetic Design and Simulation :: 28 May 2009 14:54 :: dpuentegarcia :: Replies: 3 :: Views: 780
for cst mw request informations about periodic boundary
hello,i am newbie.i want to simulate an infinit phased array of patchs antennas with cst microwave.ive done a patch antenna that works fine (@1.9ghz |s11|=-37db z11=49.65 -1.26j ohm directivity 6.7db). so i am looking for some informations or exemple...
Electromagnetic Design and Simulation :: 27 May 2009 9:23 :: aze2 :: Replies: 0 :: Views: 174
cst-microwave studio - need help calculating power
hi!anyone help me for calculating power transmitted and power loss from cst-microwave studio for any specific mode....
RF, Microwave, Antennas and Optics :: 27 May 2009 6:22 :: smrity :: Replies: 2 :: Views: 351
sofware for phased array antenna simulation?
hi all,now, i have to design a phased array antenna with 50 antennas (in 100 ghz freq.). could you advice me the best software to simulate? ads 2008 is the best? thanks so much...
RF, Microwave, Antennas and Optics :: 26 May 2009 4:12 :: rotmanlens :: Replies: 2 :: Views: 399
want to plot point sar vs depth inside in cst microwave
hello i want to plot point sar vs depth inside in the tissue layer in cst microwave studio.in the cst i dont know how can i do this????in the cst i have seen that only avg. sar (1g or 10g or more) can be plotted but the point sar is not???????????plz...
Electromagnetic Design and Simulation :: 21 May 2009 5:29 :: ravi8331 :: Replies: 1 :: Views: 234
cavity bandpass filter design
hi,how to design a cavity filter? what are those waveguide cavity filters, coaxial cavity filters..... etc.,if any books for a learner to design and if any tutorials to do simulations using hfss/cst microwave on this, helps a lot.....thanking in adva...
RF, Microwave, Antennas and Optics :: 20 May 2009 6:31 :: accutemicro :: Replies: 2 :: Views: 693
sar simulation using cst
anyone know how to simulate our antenna with sar in cst...
Electromagnetic Design and Simulation :: 14 May 2009 4:48 :: ravi8331 :: Replies: 22 :: Views: 1215
electromagnetic simulatior
is there an electromagnetic simulator like hfss (microwaves) that can operate in the visible spectrum. i need to calculate the eigenmodes of an optical 3d resonant cavity.thanks....
Electromagnetic Design and Simulation :: 13 May 2009 15:02 :: mirshahram :: Replies: 3 :: Views: 612
[need help] leaky-waves waveguide antenna
hello all!i need more information on this topic - leaky waves in waveguides. long straight slots on waveguides narrow side.in theory main beam in such an antenna has directivity:cosθ=λ0\λw. where λw is waveguide wavelength.i want ...
RF, Microwave, Antennas and Optics :: 12 May 2009 16:53 :: iluhin :: Replies: 2 :: Views: 327
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