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

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 do ceramic nanoparticles work as antiwear additives in lubricated condition?

19 November 2014 9,891 1 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

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 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

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

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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