create a chirp signal x1(t) that has the following property: • At time t = 0, the instantaneous frequency is 4.4 KHz. and then increases linearly from 4.4 KHz. to 5.5 KHz. in a duration of one second.
I have created my signal in the following format, coded:
fs = 14400;
f0 = 440;
x_0 = cos(2*pi*f0*t);
Im not sure how to create a chirp signal from this with a instantaneous frequency. Need a little help approaching this problem.