Tri polarisation antenna?

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 9,554 3 View

Base station phased array antenna book?

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 5,025 1 View

Base station antenna;Phased array antenna

07 August 2017 3,068 2 View

How does antenna radome effect on insertion loss and return loss?

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 2,120 9 View

How to simulate DC voltages in CST Microwave Studio while designing Reconfigurable Antenna?

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 9,602 4 View

At the time of fabricating Reconfigurable antenna using PIN diodes , how we can take care of the supply voltage to the diode?

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 4,780 8 View

Any advice on a 8*8 Phased Array Antenna Using Butler Matrix?

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 9,775 3 View

Matching Circuits Reference Impedance?

What is reference impedance in designing antenna for matching to 50 Ohm line

09 October 2015 3,817 15 View

Phased Array Antenna using 8*8 Bulter Matrix

Can anyone tell me the design of 8*8 Butler Matrix for Phased array antenne?

08 September 2015 3,640 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View