Can anyone tell me the design of 8*8 Butler Matrix for Phased array antenne?
I want to design tri polarised antenna with polarisations ,+45,-45,and slant. The antenna should be planner. Can anyone help me regaading this? Thank you.
09 October 2017 9,606 3 View
Can someone please advise me a book on phased array antenna for the base station antennas containing design specifications as well as theory.
07 August 2017 5,083 1 View
Generally in base station antenna we have two ports one is for +45 polarization and other is for -45. So the transmission and receiving of signals takes place simultaneously or if not then how...
07 August 2017 3,125 2 View
Why does the value of insertion loss and return loss changes while we put radome and while we do not put radome in base station antennas?
06 July 2017 2,200 9 View
While designing reconfigurable antenna using PIN diodes , how we can simulate that in CST Microwave Studio by including the biasing voltages for the PIN Diodes? We can add diode parameters using...
03 April 2016 9,660 4 View
At the time of fabricating Reconfigurable antenna using PIN diodes , how we can take care of the supply voltage to the diode? Do we need to apply external source if yes, then how to implement it.
02 March 2016 4,841 8 View
How do I add MEMS elements in my antenna while simulating it on CST Microwave Studio?
09 October 2015 2,848 0 View
Can anyone tell me about the design of 8*8 Phased array antenna using Butler Matrix? I am struck in designing of Phase Shifters and Crossovers.
09 October 2015 9,829 3 View
What is reference impedance in designing antenna for matching to 50 Ohm line
09 October 2015 3,868 15 View
I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
09 August 2024 5,048 2 View
One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...
08 August 2024 6,690 1 View
Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks
06 August 2024 949 0 View
How to design VN primer to attach with universal reverse primer
05 August 2024 2,116 3 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...
03 August 2024 2,366 0 View
Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...
01 August 2024 4,606 7 View
I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...
31 July 2024 9,186 0 View
We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...
31 July 2024 3,900 2 View
I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...
30 July 2024 969 0 View