Here's a quick mockup generated in Matlab. Is this what you were thinking of?
For reference, matlab code was: >> t = 0:0.001:1; >> plot(t,chirp(t,20,1,2))
Here's a quick mockup generated in Matlab. Is this what you were thinking of?
For reference, matlab code was: chirp(t, 20,1,2) )
>> t = 0:0.001:1;
>> plot(t,