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Rotate set of data points
hello see below the home made solution performs better than built in detrend matlab function (even with 'linear' argument) ...

mehr als 3 Jahre vor | 0

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Further processing of contour plot data
hello maybe this ? clc,close all clearvars N = 100; % <= added x = linspace(-pi,pi,N); y = linspace(0,2*pi,N); [X,Y] ...

mehr als 3 Jahre vor | 1

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Find specific area of a rotational speed curve
hi Konrad tried a few things first I think you could drastically reduce your sampling rate by a factor 1000 ! this graph do...

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How to plot the mean value of X corresponding to each Y value?
hello yes i'm coming late in the show... nevertheles I am here !! just for the fun and FYI your data could be decimated up t...

mehr als 3 Jahre vor | 0

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Can someone help me with codes or function combination to evaluate the Average force from tdms file with four channels? Pls, see codes I applied "manually" to attempt it.
Ok so this is what I can offer you today 1/ I noticed your sampling rate could be much lower (at least factor 1000) without an...

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correlated interference related to gaussian autoregressiv
hello weel, you where not very far from the code.... here is it NB that the for loop start at indice 3 because matlab work...

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Why is there a diiference in state-space velocity and derivative of state space displacement?
hello where do you see a difference ? diff or gradient based dispkacement derivatives do pretty well overlay with computed...

mehr als 3 Jahre vor | 0

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How to find the upper and lower curve from this binary image?
hi I really do not consider myself as an image processing guy but I wanted to try it so here we go .... see result below base...

mehr als 3 Jahre vor | 0

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Matlab fitting method to optimize the SNR in the frequency response curve to identify high error frequencies
hello this will reduce your plot noise but maybe you should improve the measurement method first ? load('Noise.mat'); s...

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finding new frequencies of a signal with respect to another and plotting
hello first a comment : not sure why your frequencies are all normalized by fs...i changed that in my code below you need to ...

mehr als 3 Jahre vor | 0

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How to generate 6 cycle or 10 cycle hanning modulated tone burst excitation
hello try this all the best fsin = 100e3; % sine freq Fs = 100*fsin; % sampling freq dt = 1/Fs; duration = 0.2e-3; ...

mehr als 3 Jahre vor | 1

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Averaging specific rows and specific columns in N by N matrix
hello you need somehow to split your 5 domains into separate arrays (like a cell array as below) then you can perform a for ...

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Overlay plots of different angles of incidence.
hello a very simple modification of your code create one figure and use hold on to overlay the next plots % YOUR INIT SECT...

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Use a for loop to find files in subdirectories for own function, and then extract data from .csv file
Hello I would suggest this code to find the files in each folder then you can introduce your own processing of the identifie...

mehr als 3 Jahre vor | 0

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Identify number of arrays within each row of a cell
hello Alberto only one for loop needed (row direction) try this : load cell_A.mat [R,C] = size(cell_A); for k = 1:R % row...

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Quickest way to do a bandpass filter?
Hello Louise welcome back and happy new year ! I made some speed comparison with your code and two other options using a butt...

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Scaled Step Response & Scaled Ramp Response of Transfer Function
hello for linear time invariant systems , you can simply multiply the normalized output of step and impulse by your input ampl...

mehr als 3 Jahre vor | 1

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how to avoid for loop to increase speed
hello had to change A to 93 samples so that it matches with sum(B) = 93 see my suggestion below. On this small data we can se...

mehr als 3 Jahre vor | 1

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Correcting Analogue signal due temperature and humidity variations.?
hello I have not experienced a similar situation, but maybe my idea is worth a look I wanted to find the local positive peak...

mehr als 3 Jahre vor | 0

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How to extract data from specific row
If your data is A , the rows that contains 1 in the first column are defined by ind1 see example below % dummy data A = ran...

mehr als 3 Jahre vor | 0

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How to put name of images files on workspace ?
hello I have not the Image Processing Tbx , so I cannot fully use your code , but I believe my suggestions should work first...

mehr als 3 Jahre vor | 0

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Scale 2D coordinates with respect to the centroid
hello again Alberto I opted for a simple x, y shrink ratios computation, sufficient to make the red curve match the black one...

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Problem with plotting filter characteristics using 'freqz()' function in matlab
hello I have already had that problem with high order filters designed with butter butter will have numerical problems and th...

mehr als 3 Jahre vor | 0

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Can anyone help me in understanding an algorithm and tell me where am i wrong in simulating the adaptive filter
hello again try this updated code some minor bugs and missing mu min / max bounding code (see comments with % <= here) clc; ...

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select data from the row
hello as far as I understood, you want lat and long as numerical values , so I opted to convert from degress / minutes format ...

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Deriving displacement from IMU sensor acceleration data
hello beside detrend, you may have to add some highpass filtering that detrend cannot cope with. Of course the choice of the c...

mehr als 3 Jahre vor | 0

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How to model a time series data with a custom function?
hello a quick and dirty trial with the poor's man solution ( with fminsearch) the only trick to avoid an error (because wit...

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Finding sequences representing a sin-function in a timeseries
hello maybe this ? a simple approach based on signal envelope here I make a comparison using the matlab built in envelope f...

mehr als 3 Jahre vor | 0

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how can I determine the system's rank so that I can find the transfer function
hello if you have a SISO system, there is no "rank" (this applies to MIMO systems) , or rank = 1 by default , unless your outp...

mehr als 3 Jahre vor | 0

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How can I visualize by frequency for frequency range 0 - 70.87Hz? (EEG_1=3.8088)
hello try this this code split the entire signal is smaller chuncks of NFFT length, do the fft and average the spectrum als...

mehr als 3 Jahre vor | 1