 Digital Signal Processing

Subject Engineering MATLAB for Engineering

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%%
%Clearing the screen and workspace, closing all windows
clear;
clc;
close all;

%%
%Generating linear chirp signal. The chirp is sampled at 200 Hz for 5
%seconds. The instantaneous frequency is 0 at t = 0 and reaches 20 Hz
%at T = 5 second.
fs = 200;
T = 5;
f0 = 0;
f1 = 10;

%Function for creating the signal and its analytical derivative
%Input: fs-Sampling rate, T-Duration in seconds, f0-Starting
%frequency, f1-Final frequency
%Output: y-Signal, yder-Signal analytical derivative, t-time vector
[y, yder, t] = signal(fs, T, f0, f1);

%Plotting chirp signal
figure();
plot(t,y);
title('Chirp signal');
xlabel('Time (s)');
axis([0 T -2 2]);...

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