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Questions related to Antennas
Dear colleagues, I am looking for any software that can derive the equivalent circuit model for the simulated antenna design with similar S-Parameters. It is well known that the antenna design...
07 August 2021 5,222 15 View
Find the directivity and efficiency of an antenna if its radiation resistance is 80 Ω, and loss resistance is 10 Ω. The power gain is 10 dB and antenna operate at a frequency 100 MHz.
05 August 2021 3,175 8 View
IEEE 802.22 wireless regional area network (WRAN) specifies that cognitive radio devices can use TV white spaces whenever required. Using different frequencies will require its antenna size to be...
29 July 2021 7,960 5 View
I am working on a array structure to generate OAM beams. But to confirm whether my design ok or not, I first need to check the phase distribution of the antenna on CST.
27 July 2021 8,703 15 View
- I need help determining the type of "jeans substrate" for a microstrip antenna. - What kind of substrate jeans are suitable for microstrip antennas. - Then, in which country to buy the substrate...
23 July 2021 2,585 3 View
can any one tell which one is related to S11?
22 July 2021 395 5 View
I am looking to design an UWB antenna operating between 6GHz and 8.5GHz. The antenna should have omnidirectional radiaton patterns and using microstrip technology.
20 July 2021 916 8 View
and how to find the min power density for antenna sensitivity to recieve?
20 July 2021 1,237 5 View
I see professional advice to help to attenuate a highly directional interference. We have a large (~3m) satellite dish antenna for collecting earth observation data. This antenna rotates to scan...
12 July 2021 9,579 3 View
Hello together, I am looking for a way to describe the roll angle between a LEO satellite and a Ground Station antenna. The ITU has a nice recommendation for calculating the polarization angle...
06 July 2021 2,221 2 View
I'm conducting a statistical study of the user performance for different Base station topology and array designs. Can anyone suggest some materials/papers regarding the same? For eg, when I...
06 July 2021 2,678 3 View
The phonons' energy of the 'metal of antenna' and also that 'of reflector metal' can be increased or decreased by heating or cooling. If transmission or reflection is of EM wave with frequency of...
17 June 2021 1,648 9 View
Is there any standard procedure or rule to determine design dimensions at miniaturized antennas at lower frequencies like 915MHz or 2.45MHz?
08 June 2021 7,807 5 View
I have simulated an antenna in CST with frequency range set to 1-3 GHz and the results were good, gain of around 1.2 dBi at 1.575 GHz. When I increased the frequency range in the model to 1-6 GHz,...
07 June 2021 5,688 6 View
I want to design a diversity reciver (in a single input multiple output (SIMO)) where i have the following specifications. 1. i have 100MHz RF bandwidth 2. i use simple BPSK 3. No of transmitting...
02 June 2021 5,480 5 View
TARC stands for Total Active Reflection Coefficient ECC stands for Effective Correlation Coefficient DG stands for Diversity Gain CCL Stands for Channel Capacity Loss MEG Stands for Mean Effective...
31 May 2021 1,342 8 View
when i import my design from HFSS to CST i obtained a big difference in results between them, i will be very thankfull for any help
27 May 2021 1,726 9 View
For example, default thickness for Gnd plane (2D sheet) of a patch antenna assigned with PEC boundary?? Thanking in advance.
24 May 2021 7,728 4 View
How is the effective size of a dipole/monopole printed antenna calculated? What is the scale factor/effective Er that should be used? Most of the equations I have found on the web are related to...
23 May 2021 6,189 8 View
Hi! Basically i am working for an horn antenna ranges from 2 to 20 GHz. I have to fabricate it as well. The main problem is how i can find the frequency range and gain of horn antenna from its...
20 May 2021 844 5 View
I have been working on Helix antenna and want to explore bifilar or quadrifilar helix antenna. What are their advantages over a monofilar helix antenna. Any recommendation on papers/articles or...
19 May 2021 5,200 2 View
I need to design an antenna on cst the design below, I need to generate 3 bands below -10db ( band1=[1,7GHz-1,8GHz] band2=[2,2GHz-2,4GHz] band3=[4GHz-4,5GHz] ). I increased the length to shift...
11 May 2021 3,228 6 View
Hello everybody! I have a problem with developing a compact antenna (it should be flat and no larger than 25 by 25 centimeters) for the High Frequency range (3-30 MHz). Please tell, is it...
06 May 2021 7,127 4 View
I was designing a microstrip patch array antenna with inset feed on a bent structure, But I am facing issues while assigning port. I have already designed a unit patch on the bent structure, so...
30 April 2021 7,189 9 View