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Elzbieta


Last seen: 15 dagar ago |  Active since 2024

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Question


Kruskalwallis test for ECG signal
Hello, I windowed measured ECG signal for windows of lentght: 5s, 10s, 20s. Then I determined for each frame for given windowe...

ungefär en månad ago | 1 answer | 0

1

answer

Answered
Signal quality assessment with SNR in Matlab
Dear William, Thank you a lot for the explanation.

2 månader ago | 0

Question


Speoial character in struct fieldname
Hello, I have to create structure with fields based on measurements, namely float number:amplitudes = {'0.05', '0.10', '0.15...

3 månader ago | 1 answer | 0

1

answer

Question


Signal quality assessment with SNR in Matlab
Hello, I am trying to assess the quaity of signal with SNR procedure. I have been trying do that with Matlab function snr an...

3 månader ago | 3 answers | 0

3

answers

Question


one multiplot figure instead of many partially filled figures
Hello, How to correct my code to obtain one multiplot figure instead of many partially filled multiplot figures?? he...

3 månader ago | 1 answer | 0

1

answer

Question


SNR vs Amplitude plot for ECG Lead
Hello, How to plot the figure SNR vs Amplitude for each ECG Lead separately: %----available amplitudes amplitudes = {'0.05',...

3 månader ago | 3 answers | 0

3

answers

Question


Płot sample of signal
How to plot 20s sample signal of the overall signal counting 300000samples with sampling frequency 1000 sample per second?

3 månader ago | 2 answers | 0

2

answers

Question


Plot 12-leads ECG signal in one figure
Hello, How to plot 12-leads ECG signal in one figure? The ECG data are included in the structure: % Create a structure to ...

3 månader ago | 1 answer | 0

1

answer

Question


Calculating calibration ECG device parameters
Hello, I am using MPS 450 multiparmater simulator to generate ECG signal captured by ADS1298. I am trying to evaluate the perf...

3 månader ago | 1 answer | 0

1

answer

Question


Read first lines of txt files with textread
Hello, How to get only first 16 lines od the txt files with textread command? field=textread(file,'%s')%,'delimiter','\n',)...

4 månader ago | 2 answers | 0

2

answers

Question


creating structure based on txt file
Hello, I am trying to create a structure based on comments in txt files in such shape. Record #: 92 Notes : jola 2000 s...

4 månader ago | 1 answer | 0

1

answer

Question


Plot 3-way anova for given variable
Hello, I have at my disposal features matrix including 12 variable. I would like to perform anova analysis for 3 variables, na...

4 månader ago | 1 answer | 0

1

answer

Question


converting txt file to mat file; ads1298ecgafe-pdk
Hello, I used ADS1298ECGFE-PDK to capture data from both volonteer patients and multiparameter simulator. As far as I noticed...

5 månader ago | 2 answers | 0

2

answers

Question


Assigning features to the matrix based on windowing
Hello, At the beginning I have at my disposal file with 3 columns (signal sample, condition, device): -297.367190000000 8 1 ...

6 månader ago | 2 answers | 0

2

answers

Question


Error in displaying the whole matrix
Hello, When I try to display the whole matrix I receive the data in the following shape: -0.0008 0.0001 0.0000 -0.0...

6 månader ago | 1 answer | 0

1

answer

Question


Adding features based on retreiving lost information
Hello, I am processing sample ECG recording (with sampling frequency 256) including information about patient name, patient po...

6 månader ago | 1 answer | 0

1

answer

Answered
Slicing arrays and save it in the file
Thank you a lot!

7 månader ago | 0

Question


Slicing arrays and save it in the file
Hello, I have a file of the following form: data condition device -297.367190000000 8 1 -295.132890...

7 månader ago | 2 answers | 0

2

answers

Question


3-factor anova
Hello, I would like to ask how to perform 3-factor anova (2-level noise, 3-level device, 9-level activity) on ECG signal data ...

8 månader ago | 2 answers | 0

2

answers

Question


Add features tosignal matrix
Hello, With the following code I am concatenating signal matrices in mat files having in file names the following strings: *tr...

8 månader ago | 1 answer | 0

1

answer

Question


Parsing and editing txt file line by line
Hello, How to automatically transform a txt file in this form by removing strings start and end: Onset,Annotation +234.3...

8 månader ago | 1 answer | 0

1

answer

Answered
Merge multiple files containing given string into one mat file
Hello, Finally I figured out the following code: names = {'Alessandra', 'Alfredo', 'Carla', 'Giulia', 'Ilaria', 'Letizia', ...

8 månader ago | 0

| accepted

Question


Merge multiple files containing given string into one mat file
Hello, How to merge multiple files which names contains given strings (for instance: Name, ECG, data) into one file?

8 månader ago | 2 answers | 0

2

answers

Answered
Concatenate name fields in nested structure
Thank you for your comments. Voss your solution works great!

8 månader ago | 0

Question


Concatenate name fields in nested structure
Hello, I am trying to save value of the data placed in the last fields in nested structure by concatenating string in recursi...

8 månader ago | 2 answers | 0

2

answers

Question


Two histogram in one plot
Hello All, I am trying to draw multiple histogram in one plot using also if condition: if(ind==1) fig=figure; hol...

ungefär ett år ago | 1 answer | 0

1

answer

Question


Save struct field to a file with save command
I am trying to save to a file 1channel ECG signal from the file containing structure: Accelerometer: [5183900×4 table] ...

ungefär ett år ago | 1 answer | 0

1

answer