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During my experiment (vibration analysis), I deliver a knocking force from a shaker (and the shaker itself has an impulse or an half-sine wave signal). The system automatically calculates with...
Asked on 02/02/2021 by ComradeH
0 answerWhile processing digital images in the Fourier domain, mostly we exploit the amplitude and not the phase. This could be because the amplitude is much more structured and the amplitude...
Asked on 01/29/2021 by Mohit Lamba
1 answerI'm now studying "How to do accurate transform from band-limited frequency data specifically S-parameter data of high speed interconnect to the causal impulse response in time domain. There are two...
Asked on 01/29/2021 by Junghak Ahn
0 answerI have two speech signals of the same length. They contain the exact same speech content but are recorded from two different microphones. I want to compare the differences between...
Asked on 01/28/2021 by ictguy1
2 answerI am trying to calculate the minimum line pixel width that can be distinguished from noise as shown in the camera test chart in Figure 1 where the thinner lines...
Asked on 01/27/2021 by Mohamad Jarmak
2 answerNote: This is being applied only to images of b/w text If we're given some image and plot the DFT spectra as ...
Asked on 01/21/2021 by astroturfdurf
1 answerI am trying to take a Fourier transform of a femtosecond pulse train and plot the frequency spectrum.I followed this question and am able to create a pulse...
Asked on 01/20/2021 by JBphysics
1 answerI'm writing a program that averages the user's weight across different days. I'm planning to use a 5-point moving-average (current day, two before and two after). Sometimes, a data point...
Asked on 01/20/2021
5 answerI have been given a vector:begin{equation}v= :begin{pmatrix}frac{1}{sqrt{2}}&frac{1}{sqrt{2}}end{pmatrix}end{equation}my job is to find the power spectral density from this vectorbegin{equation}left|Phi :_{vv}left(e^{jw}right)right|^2end{equation} Can somebody...
Asked on 01/18/2021 by Raykh
0 answerLet's say I have a 1D signal of size $N$ and am trying to filter it with a 10-tap FIR filter mask. When $N$ is large, the number...
Asked on 01/15/2021
3 answerGet help from others!
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