This book describes monopulse implemented with Active Electronically Scanned Arrays (AESAs). Both phase- and amplitude-comparison monopulse are addressed. Limitations imposed by AESAs and non-ideal performance due to quantization, vector modulator noise, and element failures are discussed.  The author addresses monopulse using modern low-cost AESAs where the hardware is often non-ideal and where one must carefully balance cost and complexity. The relationship between AESA antenna gain and monopulse measurement is shown and is used to construct an accurate “first-principles” simulation of...