How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Hello fellow researcher .. What is the meaning of your name?

I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.

03 March 2021 5,266 4 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

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Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to reduce the no of iterations to save the compuating time?

Dear All, Hope you are fine and doing well in this pandemic. I am working on a FORTRAN program, where I need to sum the Gaussian functions over time. I have observed that my computing time is...

05 January 2021 3,059 3 View

Why there are multiple spikes around 50Hz (Power Interference) in frequency domain (fft)?

I am working on a project related to sEMG classification. In order to process the signal, I am trying to filter the signal, especially power interference. The signal is acquired from Delsys...

07 December 2020 9,745 10 View

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17 September 2020 4,693 4 View

Which type of resistor is used for high frequency applications?

This project is related to transient states. I want to study the behaviour of a circuit (like a current source) by suddenly increasing the resistance from one value (5 ohms) to another (10...

07 September 2020 6,665 28 View

Is it mathematically possible for a duplicated signal to result in energy in higher order FFT bins?

02 September 2020 6,311 2 View

Can someone please explain to me how to interprete negative power values coming from Fast Fourier Transformation?

We conducted a 32-channel EEG and used FFT to calculate each frequency's Power-Value. Some of them are negative and I don't know how to interprete those im comparison to positive Power-values.

31 July 2020 6,943 3 View

Have anyone ever worked with Time varying filter-empirical mode decomposition(tvf-emd) codes in Matlab?

I need to decompose a signal on Matlab but I ended up having IMFs that with FFT instead of having one peak it shows several. Does anyone know how to decompose a signal with this method? I'd be...

29 July 2020 4,973 1 View

What's wrong with my FFT Matlab Code?

I have prepared Matlab code (FFT and PSD) for frequency domain analysis of Quarter car passive suspension (Simulink Model Attached). The two Natural Frequencies of this 2DOF model are 3 Hz and 20...

29 February 2020 8,805 6 View

Are my Matlab Codes of FFT and PSD for Passive Suspension Simulink Model Response Right ?

I have prepared Matlab code (FFT and PSD) for frequency domain analysis of Quarter car passive suspension (Simulink Model Attached). The two Natural Frequencies of this 2DOF model are 3 Hz and 20...

27 February 2020 6,928 5 View

How to get Shooting and Bouncing Rays file to Frequency Components?

Hi, I am working with CST A-Solver. It provides xxx.bix file for all the excitation rays. Since the antenna source was used for a particular frequency, I want to get that frequency components from...

23 February 2020 1,462 1 View