function plotRawSignal(X,Fs)
%{
function plotRawSignal(X)
Ex: plotRawSignal(X)

Task:
  Plot the raw signal in the time domain for initial visualization.

Inputs:
    -X: 1D array of signal values (amplitude vs. time)
    -Fs: sampling frequency 

Outputs:
  - (none) – just displays the figure

Author: Tikea TE
Date: 16/04/2025
%}

% ========= Time vector =========
t = (1/Fs)*(0:length(X)-1);

% ========= Plot raw signal =========
figure;
plot(t, X, 'b');
xlabel('Time (s)');
ylabel('Amplitude (a.u)');
title('Raw Signal');
grid on;

end