Mean Frequency ,Median Frequency ,Peak Frequency and Mean Power of an EMG signals

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C PRASAD
C PRASAD 2022-6-24
I have three EMG signals, I found Time Doamin Features like RMS,Mean,STD etc..of that signal.Now I wolud like to find its Frequecy Doamin Fatures of those signal.How do we use MATLAB functions to find those signal Featutes.
clc
close all
clear all
warning('off','all');
%% Import Data and plot te signal %%
[tm,signal1,Fs,labels]=rdmat('emg_healthy');
[tm,signal2,Fs,labels]=rdmat('emg_myopathy');
[tm,signal3,Fs,labels]=rdmat('emg_neuropathy');
samples=length(signal1);
figure(),subplot(311),plot(signal1),xlabel('No.of samples'),ylabel('Amplitude in mVolts')
title('Helathy Raw EMG data')
subplot(312),plot(signal2),xlabel('No.of samples'),ylabel('Amplitude in mVolts')
title('Myopathy EMG data')
subplot(313),plot(signal3),xlabel('No.of samples'),ylabel('Amplitude in mVolts')
title('Neuropathy EMG data')

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