
Tactical and Strategic Missile Guidance, Seventh Edition https://www.amazon.com/Tactical-Strategic-Missile-Guidance-S...
Tactical missile warheads https://www.amazon.com/Tactical-Warheads-Progress-Astronauti...
Fundamentals of Astrodynamics https://www.amazon.com/Fundamentals-Astrodynamics-Second-Dov...
Tactical and Strategic Missile Guidance, Seventh Edition https://www.amazon.com/Tactical-Strategic-Missile-Guidance-S...
Tactical missile warheads https://www.amazon.com/Tactical-Warheads-Progress-Astronauti...
From Tactical and Strategic Missile Guidance Sixth Edition.
(To preempt the confusion. Proportional navigation isn't a simple P controller, the missile is seeking an intercept path)
>Not silly at all if you haven’t invented microcontrollers yet.
Apparently the Germans did try that during WW2, but such a missile can not be effective, outside of e.g. bomber intercept.
The "magic" of the AIM-9 Series is that it could achieve this without micro controllers.