How do we define the cost function for the shaped beam synthesis?

I need to define the cost function in the shaped beam synthesis, which is the difference between desired gain and estimated gain within the contour region. I need to know whether the gain has to...

31 December 2018 9,318 0 View

Can anyone share matlab code to evaluate performance of QPSK and OQAM in modified SUI Channel model?

I need to generate bits, modulate using either of the modulation, followed by passing through the channel model (SUI). Then demodulate and show the performance of the QPSK, OQAM in terms of BER vs...

03 April 2016 6,104 0 View

How to implement H.264 compression standard using open CV?

Can anyone help with open CV code (C++ Source Code).

03 April 2016 1,750 2 View

What do the students and staff think about electromagnetics and antennas?

When do we feel hard to study these subjects and how?

31 December 2014 648 0 View

How an electromagnetics can be taught to the students effectively?

31 December 2014 8,829 0 View

How to creat app in android?

I need to know how to create app in android. And what software need to be used for the same.

31 December 2014 9,852 0 View

Do anyone have animations to teach concepts of electromagnetics?

I currently teach Antennas and Wave Propagation to third year BE students. If anyone has animations which may help students for better understanding, that would be great.

11 December 2014 4,992 8 View

Can any tell me about coplanar antennas (printed form)?

In one plane we can have the two type of antennas such as dipole and loop on a same plane.

11 December 2014 4,373 0 View

How can we read the audio file in real time for processing in MATLAB?

We need to read the audio input from the mic and process simultaneously in MATLAB. Can anyone tell me how to do that? What is the procedure to do that?

11 December 2014 1,086 15 View

Can anyone help explain me the difference between uncertainty in proximity multipath effects while estimating the overall uncertainty in the gain?

10 November 2014 8,262 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View