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Theta Phi Hfss

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62 Threads found on edaboard.com: Theta Phi Hfss
i have designed an sloted patch antenna in hfss.How can i find its polarisation,gain,bandwidth,axial ratio .What value should i give for theta and phi?
Folks, I'd like to be able to pull out the peak gain along a specific phi cut. That is, along a \phi_0, I'd like the \theta corresponding to the maximum gain. Any ideas on how to do that aside from plotting a rectangular plot of the E_{total} along \phi_0, loading that into MATLAB, and doing this? T
Hi Can anybody help me to make plot of phase of Antennas' Radiation Pattern in hfss? in CST Studio software, Farfield results, plot "theta phase" and "phi phase" of realized gain of Antenna pattern. How we can plot phase pf pattern in hfss like CST? Thanks
i have created an array with 4 elements. The pattern in matlab is great. 127214 i designed same array on hfss, the result is awful but it looks similar. There are some symmetry problems along y axis. Radiation pattern on phi plane (at theta=90) is not same as matlab. i must figure it out What can be the problem? ple
Hello, I have two antenna and i would like to visualize the gain of this antenna, so i m find that in hfss, it have two curves: the gain phi and gain theta in hfss, Can someone explain me the difference betwenn the two angles Thanks in advance
What do you mean by calculation of phi and theta values ? Basically radiation pattern in hfss is phi or theta variation of Field Magnitude for constant theta or phi value respectively. So you can use marker to get desired value of field magnitude at specific (...)
First go to Radiation in Project Manager. Right click, insert far field setup, Infinite sphere, set theta and phi as start:0, Stop:360. Step Size:1. Now right click on Results, Create Far Field Report, 3D Polar Plot, select trace tab, Category = Gain, Quantity = gain total, Function = none. Then click New Report. WAHLA!!! ;-)
From searching and brainstorming I came up with Vertical polarization = theta polarization Horizontal polarization = phi Polarization (Correct me if I'm wrong) In my design my antenna is facing in X direction like in the picture 117293 I am using hfss. For getting the vertical and horizontal polarization I am defin
Angle of phi what will change? does it change the polarization angles? Angle of theta what will change?does it change the incident angles? If number of modes in floquet port be 1 what happens? For define in the design, TEM mode what i should do?
Hi, everyone I am now using hfss version 13 to calculate S11 and S21 of a metamaterial absorber. wave ports and PEC/PMC B.C. are set up in the simulation. For the wave port, the plane wave incident angle is zero in default, but I want to use an oblique incidence(for example theta or phi=10 deg). What should I do to realize oblique (...)
Help please! I am simulating radar cross sections in hfss but I am a bit confused. It seems in theory that monostatic RCS and Bistatic RCS at theta=0, phi=0 with the same excitation should be the same. When for example, I simulate a 1 cm radius conducting sphere at 10 GHz I get -34.25 dB for Monostatic and -27.76 dB for bistatic at (...)
Hi vijaimvk, I'm not sure what you're trying to do. You can plot 2D plots by selecting Far Fields Report -> Radiation Pattern. You can then plot vs theta or phi, selecting the cut angles with the "families" tab. Good Luck
Hi to all; I am using the floquet-port with master-slave boundaries but the confusion that i am facing is how to check angle of incident wave at the floquet port. While i follow this procedure Slave->Phase-delay-> phi & theta and have change the values in the phase-delay in slave boundaries where i use phi (Φ) as constant=0 and th
hi all, I am working on Fractal antenna for UWB spectrum. I am having problem on plotting gain vs frequency plot and radiation efficiency plot. How to define theta and phi values for this..Also how to draw co and cross polarization. Please let me know the steps..using hfss'13
First off all, no need to change the default infinite sphere settings. Plot a full 3D pattern so you know what to expect from 2D patterns. May be you get the same plot because the pattern is symmetrical. To plot a single plane choose a phi value and sweep the theta values. The H and E planes will depend on how you placed the antenna in your simul
Hello, i need to change the range of the sweeps. Make theta range 0 to 180 instead of -180 to 180 and phi 0 to 360 instead of 0 to 180. I know its the same calculation but it matters to me for the exported data. Anybody know how i can do this? Thank you a lot! - - - Updated - - - the answer is to set u
Check the range of theta and phi in your Farfield setup (in the Radiation sphere dialog box) You have not used the full range of phi values.
Create a new 'Far fields report' in hfss with the trace of Axial ratio. It is one of the categories directly available after simulating in hfss. Set your Primary sweep to frequency and in the 'Families' tab, set your theta and phi to whatever value you want. A sample specification is shown
Make sure you clearly understand what the spherical theta and phi directions are. Remember that the theta always points along the elevation direction and phi is in the azimuth from X axis. They are not like X, Y, Z vectors which always point in fixed directions. Personally, I would advise following the Ludwig3 convention as (...)
I'L take u have done a frequency sweep simulation for ur structure..!! Since u said Gain, I'L take it is an antenna u r trying to simulate ..!! Have u defined an Infinite sphere before u plot ?? If not do it, den u need to fix theta and select all phi, or fix a phi and select all theta according to the requirement of ur plot (...)
Hi sc4rppph, As a disclaimer, I don't use Floquet ports, but the setup looks correct to me as far as I know (hfss 13). For the master/slave boundaries, you probably just want to use the specified phase angle rather than theta/phi for square structures. To get the dispersion diagram, set the phase angle of Slave X to a variable AngleX and (...)
what do you understand by gainLX plot? are you doing the sweep analysis while plotting the curves with frequency for set theta and phi?
In "Results" --> "Create Far Fields Report" --> "Radiation Pattern" you have do change the "Primary Sweep" from theta (V) to phi (H).
how to see the E & H plane polarization in co & cross polarization in hfss v11? what are steps for that ? wt r the values of theta and phi to see this polarization? Thanking you in anticipation
In the plot, you see two curves: phi=0° and phi=90° Each curve is from theta=-180° to theta=180° (one full turn around the axis)
Some of my colleagues had done some designs of FSS in hfss. I think the theta and phi are to define the angle of incidence wave. The response of FSS would be different with different incidence angle.
Hi, At hfss Results - What is the difference between Gain Total at phi=90deg to Gain theta at phi=90deg and Gain phi at phi=90deg ? And at 3D Polar Plot - What is the difference between rE to Gain Total ? it is look that only the Gain Total is useful .
The peak gain is the maximum gain of your antenna. And the total gain is the gain in the given direction. Your results indicate that theta=360 and phi=0 isn't the direction of your maximum gain. You can plot a 3d diagram for one frequency and check the gain figure for the direction of the maximum gain.
I don't understand your 3D polar plot I assume the following : the antenna is flat in the X Y plane the slot is pointing in the z direction In polar coordinates the R parameter will be the gain ; maximum occurs at theta = 90 deg The phi plane beam should be symmetrical ; this parameter is call the azimuth for radar The theta plane is also (...)
Please Elchiquito sir, kindly correct me wherever i am wrong: for E-plane radiation patterns: phi=0, plot Etheta v/s theta-----> co polar curve phi=90, plot Etheta v/s theta----> cross polar for H-plane patterns: phi=90, plot Ephi v/s (...)
Vishal There is no such fixed value that can be taken, Because with change in frequency the pattern on most antenna changes so does the max gain with direction with changing frequnecy. so my advice would be do it two ways 1. gain in the intended direction, for instance you want to your beam to face a certain direction with your max gain at theta=0
yes i want plots of radiation patterns.....how to set values of theta and phi?? ---------- Post added at 18:29 ---------- Previous post was at 18:28 ---------- use hfss ver 11 m using ver 11
it dont have circular polarization and about vertical and horizontal u can check by polarization in phi and theta
Hi, everyone. I have a problem here. I made a series of cavities and did some measurement. I heard that if I import the import the measured power data(theta, phi) into hfss, he can plot the 3d pattern for me. Also, he can compute the directivity based on this. Is it true? Can anybody tell me how to achieve this? Thanks a lot.
Hello, Please anyone suggest me how to see gain in dBi unit using hfss v.10. I am trying to see the peak gain over a frequency sweep, with phi=0 & theta=0. From Antenna Params -> Peak gain ->dB, is that ok? (I did not see any option as dBi or dBd). What's the exact procedure or am I confused somewhere....anybody pls help!![/
Calm down. As the others wrote, it must be something trivial. Why don't you check your integration area (sweep range for theta and phi) for the radiated field? It's very likely that you sampled the same angles multiple times.
Can you create a far-field plot as a 3D Polar plot? Select all phi & theta values (this should be the standard for far-field plots) and in the Y tab select GainTotal.
hi it possible plotting far field in function of sin(theta)cos(phi) and sin(theta)sin(phi) instead of theta and phi?
hi it possible plotting far field in function of sin(theta)cos(phi) and sin(theta)sin(phi) instead of theta and phi?
There is slotline antenna: circle slot in infinite ground plane. I want analize radiance propertys of slotline by replacing it with wire radiator same shape as slotline. Using hfss which component of wire radiator's field I should measure to obtain equivalent of slotline antenna's pattern rEtheta(phi=0) for theta = (...)
please anybody tell me what is gain phi,gain theta and gain total plot in hfss.the option for them is in 3 D polar plot.please give datail description.thanking you.....
hello i simulate a dipole with ansoft... i have no clue in gaining the gain of the dipole the gain of a dipole should be in dBi or dBd why in ansoft don't have that function... if i used the gain in dB... theta dB(GainTotal) phi=0deg, Freq=2.45GHz Setup1 : LastAdaptive 0.000000 -49.705968 10.000000 -17.685690 20.00000
You need to create & setup Far fields ( theta & phi ) first. Check hfss tutorials for details.
Hi fcolleon firstly select insert near filed setup in the radiation tree and then select sphere secondly after simulation in the results select near filed data and in the results page you can select any plan you want by its theta and phi(fixed theta or fixed phi) I hope it'll be helpful
hi yes i agree with Abhishekabs. for xy plane pattern you need to fix theta=90 and vary the phi angle throughout the 360 degrees. i hope it works regards
How do I get the mag and phase of gain as a function of frequency in hfss? I'm defining and fixing theta and phi and when I sweep the frequency for calculating Gain, I get only the mag BUT the Phase in deg is always zero... How to resolve this? Please help!!!
How do I get the mag and phase of gain as a function of frequency in hfss? I'm defining and fixing theta and phi and when I sweep the frequency for calculating Gain, I get only the mag BUT the Phase in deg is always zero... How to resolve this? Please help!!!
what is theta and phi? If those are the locations around the antenna/network, there is no relation with S11, Z etc.
How can i export the theta and phi in hfss through VBscript, i.e not directly control in hfss. i need to control it through vbscript, do anyone can help me?
Hi can anyone plz help me..... how to design plot of xy-plane, xz-plane and yz-plane radiation patterns for copolarization (E hfss thank you