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56 Threads found on Far Field Cst
Hi, I am using two vivaldi antennas separated with their far field distance (~80cm) in cst Since they are UWB antenna, so I am trying to excite Tx antenna with an input UWB signal (i1 as indicated in port signal folder) But after simulation is completed, I do not see the port signal of Rx Antenna e.g. there is no signal for o2,1 :( (...)
If your pcb only includes the transmission line, you can you waveguide ports. The appropriate dimensions for the ports can be found in the manual. Subsequently, you choose a far-field monitor, either broadband or for a specific frequency.
please refer to simulation guide below. in that video, far field radiation plot created in 2D. you can do the same for your power simulation. i have never done power density simulation before so pls try few options (power flow, far field and etc). you may get power density in one of the field monitors.
Hi! You need to insert field monitors (far-field) at the frequency of interest. After simulation is complete, you can view the results in the farfield section in the navigation tree on the left side of your window. You can then right click and select polar plot which enables you to select the plane of (...)
I fear your latest posts are further confusing your intentions. In terms of RF engineering, an antenna is a device with non-zero coupling to far-field. Inductive couplers are designed to receive or generate a magnetic near-field. They are used in a kHz to multiple 10 MHz range to transmit data or power wirelessly. They can be described as (...)
I want to animate the far field monitors and other fields when changing the angle of rotation of the satellite communication system or the movement of objects in cst Studio, how to do it?
Hi, I am calculating radar cross section of dielectric sphere using mie series solution and cst. I compare both results but i could not get the same result. I know cst calculates far field patterns as total field. If i add incident plane wave to the mie solution, it is not the same result of (...)
How i can get scattering cross-section versus frequency in cst, with frequency sweep? i obtained far field for each freq. but i want all in one RCS plot .
Did you selected the farfield monitor before you run a simulation?
A search of the threads in this forum shows that, in far-field analysis at least RHCP and LHCP can be shown from antenna structures. This is not actually very useful if one is needing to use a microwave port to excite a circular polarized wave into a device model, such as a polarizer, or square waveguide. The plane polarization angle at a port c
Hi, I'm simulating some antenna with cst MW. I choose far field as field monitor. After it finish, the result inform that "total efficiency is smaller than 1e-4" How can I fix it? and what did I do wrong? Could someone advice me? Thank a lot
Hi Everyone, I am new to cst MWS. I simulated a standard gain horn antenna. But in the 'field Monitor' option, I forgot give the 'far-field parameter' for a particular frequency. Without running the simulation again, Is there any option to get the radiation pattern ??? (To see the (...)
But how can i do to obtain the E-fields in my circular wave-guide and not in far field? Then, there is any form to use the results of the s-parameters to create an equation? Thank you. which type of equation u want to extract from S parameter ??????
Hi all, I have a problem with the cst vba. I use vba scripting language in cst MWS to design a model and run simulation. It's OK. Next step, I want to get the far-field data in .txt file as the Code: (...)
I want to calculate E-field monitor on the surface of a structure (PEC) from the far field gain pattern of an antenna(2 GHz) imported as farfield source on cst MWS. For this I use the I-solver and i want to know: what's the iterative MoM implemented on cst? how the (...)
I agree with oedt, but to get rid of this effect you should put the antennas in far field. This can become a huge challenge for cst in terms of mesh cells. You should do it differently and characterize the antenna with antenna simulations: far field planar wave radiation patterns in Ludwig 3 coordinates are (...)
Such sources are usualy named 'Radiation Pattern Source' or 'far field Source'. These are available in EMCoS EMC Studio, FEKO or cst, I am not sure about HFSS. In each tool you can find in documentation format description. Check out this thread with examples:
Hello everybody, I am trying to make a far-field source in cst MWS, with the incident E field as follows: E_inc= {Sin(phi_i) , - Cos(phi_i)} exp Then calculate the absolute current density on a patch antenna surface. How can I input such an incident in cst MWS or even HFSS? Thanks in advance!
Hi, I installed cst 2010 about a week ago, and I tried running a simulation of a model, which I ran in cst 2008 in cst 2010. The frequency range is a bit wide, 0.1MHz to 9GHz(and it worked fine in cst2008.) But it showed this error message and I couldn't get any far field patterns. The (...)
Dear all, I've projected a Vivaldi antenna with the auxiliary of cst Microwave Studio. After the realization of the antenna, I've measured the far field radiation pattern using the anechoic chamber. The measured and the simulated co-polar radiation pattern are not so different. In particular the behaviour of the two curves is almost the (...)