What are the appropriate pulse width and PRF for a pulsed Doppler sensor
You must define your required range and velocity specs with CNR/SNR where this ratio determines FSK improvement on noise reduction which requires maybe 1000x the BW limited by minimal detection threshold of Shannon’s Law which would be unusable.

Typical application is a time linear cycle (FMCW) or step ramp up in f of delta F ranging from 100MHZ to 1GHz depending on your specs.

Fundamentals : https://www.google.com/search?client=firefox-b-m&amp;ei=TsuAXbPwMIvatAXvgruQAg&amp;q=24GHz+Doppler+module+modulation&amp;oq=24GHz+Doppler+module+modulation&amp;gs_l=mobile-gws-wiz-serp.3...3337.7315..7807...0.1..0.121.1058.8j3......0....1.........0i71j0i22i30j33i22i29i30j33i160j33i21.rONhGjEifpQ