Answered
Why does the psd of my filtered signal perfectly overlap my raw signal's one?
hello see code below, the effect of the low pass filter is clearly to be seen on the psd plot now I wonder whatkind of "activ...

8 månader ago | 1

Answered
Plotting phase noise vs offset frequency of an optoelectronic oscillator...
hello the main problem is that your data has a very coarse frequency resolution so if I remove the content below 10GHz , rem...

8 månader ago | 0

Answered
Need to put symbols on curve
Like that ? %===========================================================% clc close all; clear; workspace; %===========...

8 månader ago | 0

| accepted

Answered
Shift Filter outputs to align peaks
hello @Chunru sorry but I was a bit skeptical about your solution based on group delay seems to me the "aligned" output signa...

8 månader ago | 1

| accepted

Answered
Can I smoothen the cdfplot() result?
some more code to look at - I kept only the best solutions , even though there are probably lot of other solutions also I intr...

8 månader ago | 1

Answered
How to do optimization coding for minimize peak width ?
hello I simply added a for loop for the del parameter to see how peak amplitude and peak width of the red curve would evolve v...

8 månader ago | 0

| accepted

Answered
While loop using up to input and fixing input definition
Hello gain, so this is the code with the small changes mentionned above clc clearvars close all fs = 20e3; numFilts = 32;...

8 månader ago | 1

Answered
required assistance in fitting
so this is the poor"s man optimization (w/o any toolbox) a brute force approach , let's create a 2 parameter grid and evaluate ...

8 månader ago | 0

| accepted

Answered
I wanted to combine 100 csv files for plotting in Matlab. All the files have same number of columns and rows. Can anyone help?
maybe this ? here I wanted to do a vertical concatenation - up to you to change that portion of the code also , if processi...

8 månader ago | 0

Answered
High Frequency Noise baseline filter
hello again an explosive blast record will have a very wide frequency range , the spectrogram will tell you that the signal e...

9 månader ago | 0

Answered
Plot velocity profiles along a slope
hello again so this is a starter , would need further work to define correct range of the ruler according to your data %% cre...

9 månader ago | 0

Answered
How to delete every nth column in table?
maybe this ? X = (1:9)'*(1:10:50); % remove only 2nd column t = array2table(X,'VariableNames',{'t' 'x' 'y' 'z' 'r'}) t(...

9 månader ago | 0

Answered
How would i change this code so that it plots all of the circular paths and markers all at once instead of one after the other?
simply commenting the inner for loop , and you get this result : (I also reduced the number of theta points by factor 2 ) : th...

9 månader ago | 0

Answered
How to automatically identify and fit segments of a force-distance curve in MATLAB?
hello maybe this ? I simply wanted stright lines (polyfit order 1) I suggest x0,y0 and x1,y1 as possible candidates for th...

9 månader ago | 0

Answered
Impact location detection from accelerometer data
hello so this would be my suggestion I hope my conclusion is not completely wrong ! At the end it seems I can clearly see ...

9 månader ago | 0

Answered
Trouble with using plot because of wrong data type
A numerical simulation (no sym) a0 = 0.529177 * 10^(-10); %Bohr radius r = linspace(0,10*a0,100); R = 2*(1/2*a0)^(3/2)*exp(-r...

9 månader ago | 1

| accepted

Answered
duration of rain. help
hello this is one way to do it - just plain simple matlab functions . Of course , someone fluent with timetables can do it a...

9 månader ago | 2

| accepted

Answered
How to plot multiplot with different range of data?
hello maybe this ? I normalized x1 and x2 so both plots would overlay nicely . A=readmatrix("wan_band.dat"); [x1,y1]...

9 månader ago | 0

Answered
How to extract desired variables column data from a table?
hello this is one solution NB that the variables names and the names your are using in the selection are not exactly the sam...

9 månader ago | 0

Answered
how to average data points in column 3 based on values in columns 1 and 2
hello as your data seemed to lie in a plane , why not make a plane fit and assume from now the data should belong to that plan...

9 månader ago | 0

| accepted

Answered
3D grouped bar-plots from 3D matrix
hello again based on the comment / link above, this is what I can offer today %generate somme dummy data groups_x = 3; rows...

9 månader ago | 2

| accepted

Answered
How to convert s2p to Impulse Response?
hello see example below : %% create the FRF complex data Fs = 1e3; Freq = linspace(0,Fs/2,200); % make sure freq vector go...

9 månader ago | 0

Answered
How to interpolate empty gridcells in the 3D model?
this is you solution : Inpaint over missing data in 1-D, 2-D, 3-D,... ND arrays - File Exchange - MATLAB Central (mathworks.co...

9 månader ago | 0

| accepted

Answered
Find a controller for a feedback-loop
hello engineering is a mix of knowledge and art. The art of the engineer is to split a complex problem into smaller , simpler ...

9 månader ago | 1

Answered
How to merge the three mat files?
hello a quick and dirty solution, you may have to find a way to generalize to more variables in that may be the case in the fu...

9 månader ago | 0

| accepted

Answered
How to perform Fast Fourier Transform in 2 csv files
well I hope that there ae time stamps in your file , otherwise it may be complicated to get the right frequency axis. see code ...

9 månader ago | 0

Answered
derive slope from plotInteraction
hello FYI, you can access any figure underlying data (and of course compute the slope) openfig('myfig.fig'); set(gcf, 'Visib...

9 månader ago | 0

| accepted

Answered
Convert time data from excel format to milliseconds.
hello so when we look at the raw time data , it's like a rounded signal after quantization why not simply do a linear fit so...

9 månader ago | 0

| accepted

Answered
Filled region between three functions
hello you need to compute the intersections points - for that I am using the function in attachment (intersections.m , found ...

9 månader ago | 0

| accepted

Answered
How do I implement a low pass filter difference equation to filter sample by sample, samplewise
hello see this second order recursion - here used with a step input (works for any input signal) I used the b,a coefficients...

9 månader ago | 0

| accepted