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Questions related to Antennas
Hi , I a Simulating a Electrically small loop antenna (Circular loop of diameter 1m) at 5MHZ . Made 3 Turns of loop using Helix structure from "Macros" . I'm getting huge number of mesh cells...
18 November 2020 4,100 3 View
It is known that electromagnetic performances of planar antenna structures can be impacted by the mechanical/manufacturing tolerances. What does this impact mean? And what are the antenna...
15 November 2020 358 3 View
Directivity of an antenna is defined w.r.t. peak power direction. What if I want to know the directivity value at a specific coordinate point (X.Y or spherical coordinates) from the antenna. I...
13 November 2020 1,455 3 View
By slotting patch and ground I am getting multiband not wideband.pls guide
10 November 2020 4,025 4 View
Would it be any benefit using few antennas connected by power combiner. Wilkinson or other power combiner have losses though increasing RF noise level. On the other hand combining two antennas...
07 November 2020 6,330 13 View
Suppose, a plane wave is incident on a uniform linear array of dipole antennas. I would like to calculate the voltage induced at each port. I am interested in the phase difference of the voltage...
30 October 2020 4,478 3 View
Dear All, I am facing trouble in making antenna for RFID tag. Just tell me that how a chip resistance represents by discrite port in CST? for example I am using NXP chip with...
23 October 2020 8,010 2 View
Hi. I want to simulate the S mesurament setup of a metasurface. I took an horn antenna and simulated it's gain at my frequency. The I placed one on a side and the second on the opposite side....
17 October 2020 2,844 3 View
antenna designing
16 October 2020 1,922 4 View
Greetings everyone, I am attempting to model and simulate a slot-ring patch antenna fed by ungrounded CPW in CST, although the S11 is fine, the e-field and h-field monitors shows strange...
11 October 2020 2,309 2 View
Aslam-u-Alaikum, I am facing issue regarding Beam tilting problem in Slotted waveguide antenna array (Narrow face)? Is there any one working on this project?
29 September 2020 3,293 10 View
I have read that a partial ground plane helps to increase the bandwidth of a micro strip antenna. But how do i calculate its length? Is there any specific design steps or formula for that or...
24 September 2020 9,203 3 View
Which type of port (Wave port/Lumped port) should be applied to antenna when it is mounted on Phantom model? I modelled a co-axial fed antenna in HFSS for WBAN applications. It resonates at 5.8...
23 September 2020 8,674 6 View
I have designed a microstrip patch antenna with a resonant frequency of 28GHz and i would like to know what are the design methods to implement to increase its bandwidth and gain.
19 September 2020 7,233 8 View
Hello everybody. I would like to design a ferrite core antenna in low frequency (125 KHz) in CST. Which part of setting should I change to achieve a suitable result? Should I also change the mesh...
14 September 2020 2,983 4 View
After calculating the required phase shift in reflect array antennas, How do we plot phase distribution versus element position in MATLAB? I am using imagesc command but it doesn't produce the...
12 September 2020 5,641 2 View
Hello every one, I'm working with a bowtie antenna based on metamaterials. How can i calculate the distance between the antenna and the metamaterial unit cells in order to resonate at the...
08 September 2020 1,168 5 View
Many times the measured results of antenna matches with simulated but sometimes measured results do not match with simulated and sometimes measured results do not match at higher frequencies. Plz...
08 September 2020 3,649 14 View
If an Antenna is designed HFSS how its SAR analysis can be done using HFSS software.
08 September 2020 8,440 3 View
hello everyone i designed an antenna and also a EBG structure to improve its behavior in both CST and HFSS but i'm not sure what kind of boundary i should use to get reasonable results. i try many...
04 September 2020 3,147 8 View
UWB Antennas group delay measurements are carried by keeping antenna separated by 30 cm ftf or e2e configuration. The literature survey reveals it to be the abeyance of far-field condition.......
03 September 2020 6,499 3 View
Is it possible to enhance gain of super ultra wide band antenna, if possible suggest some techniques and some published papers for reference?
29 August 2020 7,755 6 View
I am unable to quantify the role of passive components when it is attached with the antenna. For various frequency bands like L,S,C,X the specifications of the active circuits changes but what...
26 August 2020 1,553 4 View
I am trying to design antenna for 5g applications using hfss. Can anyone guide me step by step procedure as I am not getting optimum results for VSWR using hfss.
26 August 2020 4,147 5 View