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Phased Array Radar

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Summary:Technical Training Short On Site Course Quote

    This three-day course covers the principles and the technology of the phased array antenna itself as well as the overall radar system significance, design and operation made possible by the phased array. The course provides a solid base of theoretical understanding along with the design and operation of these unique radars, a blend valuable for engineers and operators concerned with today’s acquisition and uses of such radars.



Bob Hill received his BS degree in 1957 (Iowa State University) and the MS in 1967 (University of Maryland), both in electrical engineering. After spending a year in microwave work with an electronics firm in Virginia, he was then a ground electronics officer in the U.S. Air Force in the late 1950s and began his civil service career with the U.S. Navy Department in Washington D.C. in 1960, acquiring responsibilities for the development of shipboard radar systems. He managed the development of the phased array radar of the Navy's AEGIS system from the early 1960s through its introduction to the fleet in 1975. Later in his career he directed the development, acquisition and support of all surveillance radars of the surface navy.

He retired from the federal service in 1988, continuing his teaching of radar courses which had begun in 1975 at The George Washington University in its continuing engineering education program and which also included semester teaching with the Virginia Polytechnic Institute in the mid-1980s. The teaching continues now for several interests worldwide. Mr. Hill is a Fellow of the IEEE, an IEEE "distinguished lecturer", a member of its Radar Systems Panel and previously a member of its Aerospace and Electronic Systems Society Board of Governors for many years. He established in 1975 and chaired through 1990 the IEEE's series of international radar conferences and remains on the organizing committee of these, and works with the several other nations cooperating in that series. He has published numerous conference papers, magazine articles and chapters of books, and is the author of the radar, monopulse radar, airborne radar and synthetic aperture radar articles in the McGraw-Hill Encyclopedia of Science and Technology and contributor for radar-related entries of their technical dictionary.

Contact this instructor (please mention course name in the subject line)

Course Outline:

  1. Radar Introduction
    • The general nature of radar
    • Electromagnetic waves, radiation
    • Composition of a radar, the subsystems
    • Radar functions, types, typical characteristics
    • The role and nature of the antenna generally, the profound impact of “electronic” beam steering
    • The emergence of the “multifunction” radar

  2. Antenna Principles
    • Microwaves optics
    • Pattern formation, weighting functions
    • Sidelobe concerns, blanking and cancellation
    • “Ultra-low” sidelobe antennas (ULSA)
    • “Sum” and “difference” patterns
    • Electronic scan, the phased array

  3. Phased Array Design
    • Behavior with scanning – impedance, grating lobes, real and virtual space, the lattice dimensions
    • Survey of feed systems – constrained feeding, space feeding
    • Componentry – radiating elements, phase shifters, time delay
    • Digital beam forming
    • Solid-state amplification, the “active” array
    • Adaptivity – the challenge, the problem, tradeoffs
    • Example systems

  4. Beam Steering Logic
    • For volume search
    • For track sampling
    • For special functions, dwells

  5. Radar System Engineering
    • Functional allocation in multifunction radars
    • Mode definitions, mode control and resource management
    • Newer modes being considered

  6. Development and Acquisition of Such Radars
    • Development challenges, some experiences
    • Quality assurance, testing – in development, in production, in the field
    • Major developments underway, what to watch for

  7. Concluding discussion, course review


This course is not on the current schedule of open enrollment courses. If you are interested in attending this or another course as open enrollment, please contact us at (410) 956-8805 or at and indicate the course name and number of students who wish to participate. ATI typically schedules open enrollment courses with a lead time of 3-5 months. Group courses can be presented at your facility at any time. For on-site pricing, request an on-site quote. You may also call us at (410) 956-8805 or email us at