Lesson 4 — Pulse Radars & Ambiguity

Pulsed waveforms in slow time, how pulse width and PRF trade range resolution against unambiguous range and velocity, and the invariant that ties the two ambiguities together.

Reading

Pulse Radars & Ambiguity

Pulse train, PW/PRI/PRF and duty cycle, range resolution, unambiguous range and velocity, and the \(c\lambda/8\) invariant.

Flashcards

Review deck

Key terms and relations from the lesson, in a self-test deck.

Demo

PRF Explorer

Drive PRF and pulse width, watch the pulse train, and fold a true range into its apparent range.

Pre-flight

Pre-flight quiz

Pre-class check, due before the lesson. Counts toward your IP grade.