I have a time signal in MATLAB format. Sampling rate is 100k, so it is roughly 5 seconds of signal. See the link below
If you see the freq power vs time graph, you will see something below
Now I want to find the slope of the line on the freq power vs time graph (5k Hz to 15k Hz, 0.5s to 1.5s ) preciously by using the time signal. How should I handle this?