Prf Weapon [verified] -

I'm assuming you're referring to the PRF (Pulsed Radar Frequency) weapon. Here's some information:

In a modern Beyond Visual Range (BVR) engagement, an F-35 might first use Medium PRF to scan a volume of space. Upon detecting a hostile fighter at medium altitude, the radar automatically transitions to High PRF to precisely measure the target’s closing velocity and guide an AIM-120 AMRAAM. After launch, the missile’s own active seeker—operating in a specialized Medium-PRF waveform—takes over. prf weapon