How to convert frequency-amplitude data to time-amplitude data using inverse fourier transform?

Hello, I have data in an Excel spreadsheet that is in terms of frequency and amplitude. I want to convert this into time and amplitude using an inverse Fourier transform. What script could I use...

30 April 2020 4,591 4 View

MD simulation data using MDplot in R packages?

I have been trying load my MD data on MDplot. Any suggestions on how to use MDplot for plotting Gromacs 5.0.1 generated MDS data ?

31 January 2019 8,214 5 View

Problem with L929 cells?

After 3days of splitting I am facing turbidity problem in L929 cells(Fibroblasts),But there are no symptoms of bacterial contamination.. Some protocol says to isolate conditioned medium from L929...

09 October 2016 4,451 2 View

Can we harvest energy from electric and magnetic field components of an electromagnetic wave respectively and store them ?

its just regarding the wireless energy transmission, and considering that light is an electromagnetic wave.

30 August 2016 7,281 10 View

How can I decompose in a bandstop FIR filter with a broad stopband and two narrow passbands at wt=0 and wt=pi as a sum of 2 lateral filters?

how to evaluate the lateral filters with minimal value of maximum ripple in their stop bands.

29 December 2014 4,329 14 View

How to improve protein yield?

I have been trying to elute a protein using native prep. The prt of my interest is being expressed pretty well but is not binding to the beads.Most of the protein is going off in the supernatant...

20 August 2014 4,105 2 View

Has anyone used DH5 alpha for in-fusion cloning?

Is it possible to use DH5 alpha for in-fusion cloning if the insert (2 kb) and the vector (11.7 kb) are this large?

15 June 2014 5,298 3 View

How to get PID tuning parameters with this code?

Codes in MATLAB for Particle Swarm Optimization How to get the PID tuning parameters with this code? What are the changes have to be done?

01 January 1970 8,704 1 View

Image segmentation using matlab

Can anyone give the MATLAB code for foreground detection using MATLAB?

01 January 1970 5,574 6 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View