ATI's Antenna and Antenna Array Fundamentals Course

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Antenna and Antenna Array Fundamentals (2-Day)

2-Day Course

Summary

This two-day course teaches the basics of antenna and a brief overview of antenna arrays. Fundamental concepts such as beam patterns, radiation resistance, polarization, gain/directivity, aperture size, reciprocity, and matching techniques are presented. Different types of antennas such as dipole, loop, patch, horn, dish, and helical antennas are discussed and compared and contrasted from a performance - applications standpoint. The locations of the reactive near-field, radiating near-field (Fresnel region), and far-field (Fraunhofer region) are described and the Friis transmission formula is presented with worked examples. Propagation effects are presented. Antenna systems (transmit/receive) with active amplifiers are introduced. Finally, measurement techniques commonly used in anechoic chambers are outlined.

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  1. Basic concepts in antenna theory. Beam patterns, radiation resistance, polarization, gain/directivity, aperture size, reciprocity, and matching techniques.

  2. Locations. Reactive near-field, radiating near-field (Fresnel region), far-field (Fraunhofer region) and the Friis transmission formula.

  3. Types of antennas. Dipole, loop, patch, horn, dish, and helical antennas are discussed, compared, and contrasted from a performance/applications standpoint.

  4. Propagation effects. Direct, sky, and ground waves. Diffraction and scattering.

  5. Measurement techniques used in anechoic chambers. Pattern measurements, polarization patterns, gain comparison test, spinning dipole (for CP measurements). Items of concern relative to anechoic chambers such as the quality of the absorbent material, quiet zone, and measurement errors. Compact, outdoor, and near-field ranges.

  6. Questions and answers.

  • Basic antenna concepts that pertain to all antennas and antenna arrays.
  • The appropriate antenna for your application.
  • Factors that affect antenna systems.
  • Measurement techniques commonly used in anechoic chambers.

Who Should Attend:

This course is invaluable to engineers seeking to work with experts in the field and for those desiring a deeper understanding of antenna concepts. At its completion, you will have a solid understanding of the appropriate antenna for your application and the technical difficulties you can expect to encounter as your design is brought from the conceptual stage to a working prototype.

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 ati@aticourses.com and indicate the course name and number of students who wish to participate. ATI typically schedules courses with a lead time of 3-5 months. Group courses can be presented at your facility. For on-site pricing, request an on-site quote. You may also call us at (410) 956-8805 or email us at ati@aticourses.com.

Instructor

Dr. Steven Weiss

Dr. Steven Weiss is a senior design engineer with the Army Research Lab in Adelphi, MD. He has a Bachelor’s degree in Electrical Engineering from the Rochester Institute of Technology with Master’s and Doctoral Degrees from The George Washington University. He has numerous publications in the IEEE on antenna theory. He teaches both introductory and advanced, graduate level courses at Johns Hopkins University on antenna systems. He is active in the IEEE and is presently on the steering committee for the Antennas and Propagation Conference for 2005. In his job at the Army Research Lab, he is actively involved with all stages of antenna development from initial design, to first prototype, to measurements. He is a licensed Professional Engineer in both Maryland and Delaware.

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