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Question
Find the frequency range in which peaks are coming in FFT
Hi all, I've FFT plot for a signal. I want to find the frequency ranges in which the peaks are coming. For example, in thi...
plus de 8 ans il y a | 1 réponse | 0
0
réponseQuestion
calculating energy from FFT in different frequency bins
Hi all, I've generated FFTs for a set of signals in time domain at different deflections. I want to find in which frequency r...
plus de 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Calculate energy from FFT
Hi all, I've generated FFTs for a set of signals at different deflections. I want to calculate total energy for some frequen...
plus de 8 ans il y a | 1 réponse | 0
0
réponseQuestion
Unwrapped phase of signal
Hi all, I've a set of amplitude-time data. I need to find the unwrapped phase of it and then plot cosine of unwrapped phase a...
plus de 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Repeat values in a matrix
I want to convert a column matrix of size 10x1 to 10x10000 matrix in which all columns in the converted matrix are same as the v...
plus de 8 ans il y a | 1 réponse | 0
1
réponseQuestion
visualise fft plot in 3D
Hi, I want to plot all the fft plots in a single figure. something like the attached image Here's my code for i...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
Error when plot3 is used: vectors must be of same length
Hi, I want to plot all the fft plots in a single figure. something like the attached image Here's my code for i=1:m...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
labelling the (x,y) values corresponding to each data points on a graph
Hi, This is the code for plot. There are around 9 data points. I want the x and y values to be displayed at each point on the c...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Giving color to text labelled on curve
How can I change the color of a text labelled on a curve to the same color of that curve? (there are multiple curves on the same...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Argument of a signal
I've energy-time signal data e(t)having discrete values(file attached). I want to do the following operation: * t[5%]=arg(e(t...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Integration of data with discrete values
I've amplitude-time data (discrete data) of a signal. I want to find the power of the signal using the algorithm in figure. I'm...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
product of sum of the elements along the fourth dimension in a 4D matrix
Hi, I've a 4D matrix. I want to take the product of sum of the elements along the fourth dimension. Basically i want to do this...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How to do signal processing for discrete set of data
I've a amplitude-time signal data with 10000 data points having a sampling period of 0.5 microseconds. It has noise embedded in...
presque 9 ans il y a | 1 réponse | 0
