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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...

29 días hace | 1

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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...

29 días hace | 0

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

30 días hace | 0

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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...

30 días hace | 1

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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...

30 días hace | 1

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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...

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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;...

alrededor de 1 mes hace | 1

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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 ...

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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...

alrededor de 1 mes hace | 0

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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...

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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...

alrededor de 1 mes hace | 0

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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(...

alrededor de 1 mes hace | 0

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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...

alrededor de 1 mes hace | 0

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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...

alrededor de 2 meses hace | 0

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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 ...

alrededor de 2 meses hace | 0

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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...

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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...

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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]...

alrededor de 2 meses hace | 0

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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...

alrededor de 2 meses hace | 0

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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...

alrededor de 2 meses hace | 0

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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...

alrededor de 2 meses hace | 2

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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...

alrededor de 2 meses hace | 0

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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...

alrededor de 2 meses hace | 0

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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 ...

alrededor de 2 meses hace | 1

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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...

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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 ...

alrededor de 2 meses hace | 0

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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...

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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...

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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 ...

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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...

alrededor de 2 meses hace | 0

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