Umer Khalid

4 Questions 8 Answers 0 Followers

Questions related from Umer Khalid

How to calculate CRB (Cramer Rao Bound) and RMSE (Root Mean Square Error) for 4 and 5 element Uniform Circular Arrays?

I want to assess performance of a 4 and 5 antennas (arranged in the form of circular array), by calculating different parameters such as CRB and RMSE. However, as I have seen in theory, a number...

04 March 2022 8,175 3 View

Is it possible to design efficient "Electrically Small VHF Antennas"?

Hi everyone, is it possible to design some efficient (good impedance matching, accuracy and gain) , but miniature antennas in VHF bands. Till now, I have seen that people are mostly relying on...

14 November 2021 9,557 7 View

What are some most Important Direction Finding (DF) Antenna Parameters and their Tradeoffs?

Hi, I am working on research related to DF antennas. I have come across a number of techniques such as Manual DF, Watson Watt, Pseudo Doppler, Correlative Interferometry. My question covers 3...

10 September 2021 3,766 6 View

Direction Finding Algorithms and Techniques

I have studied different papers related to Direction Finding (DF). However, what is really confusing is the terminologies of methods, techniques and algorithms. For example, we have amplitude,...

01 January 1970 575 4 View