Near-Field Antenna Measurement Techniques

  • Overview
  • Course Content

Near-Field Antenna Measurement Techniques

Course Description

Are you new to near-field antenna measurements or considering the addition of an antenna-measurement facility or an upgrade of an existing facility? In this course, you will explore the fundamentals through the state-of-the-art in near-field antenna measurement techniques. Examine planar surface, cylindrical surface, spherical surface, probe array, and robotic near-field ranges, and gain an overview of the basic theory, procedures, and optimal applications. Measured results will be used to demonstrate each technique discussed. Course instructors include some of the original developers of the near-field antenna measurement technique at the Georgia Institute of Technology and National Institute of Standards and Technology.

Due to minimum enrollment requirements to hold a course, we ask that you register as early as possible. View our terms and conditions for further information. If you have specific questions or requirements, please contact the course administrator. 

Course Content


  • Antenna parameters requiring measurement
  • Near-field to far-field relationship
  • Near-field measurement surfaces and positioners


  • Mechanical and electromagnetic measurement setup
  • Sampling, measurement area, multiplexing, and power budgeting


  • Requirements and selection
  • Impedance, pattern, gain, and polarization characterization


  • Measurement surface selection
  • Requirements for instrumentation
  • Measurement data processing
  • Display of measured results


  • NIST 18 error terms
  • Methods of assessing uncertainties
  • Combining uncertainties


  • Techniques and apparatus for range characterization
  • Measurement examples of range characterization
  • Techniques for range compensation
  • Measurement examples of range compensation

Session Details

  • Special Discounts: Georgia Tech Research Institute (GTRI) employees are eligible to receive a discount.  If you are a GTRI employee, please go to the Organizational Development website and look for the coupon code under GT Professional Development. Review coupon instructions for more information.

Who Should Attend

This course is designed for engineers, scientists, antenna engineering managers, project planners, and antenna-measurement technicians. This course will be beneficial for those who need to know how to set up a near-field measurement, how to perform near-field measurements, and how to process the near-field measurements to determine the far-field antenna pattern, gain, and polarization. This course will also be beneficial for those who need to know how to assess the accuracy of their near-field measurement range and for those who need to understand the facility requirements, time, cost, and skill level required to perform near-field antenna measurements.

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What You Will Learn

  • The basic concepts of near-field antenna measurement
  • Procedures for mechanical and electromagnetic set-up of a near-field measurement
  • Near-field probe selection and characterization
  • Best use of planar, cylindrical, spherical, probe array and robotic near-field ranges
  • Errors and uncertainties of near-field measurements
  • Near-field range characterization and compensation
Antenna tower

How You Will Benefit

  • Understand planar, cylindrical, spherical, probe array, and robotic near-field antenna-measurement technique theory and applications.
  • Explore mechanical aspects of near-field ranges.
  • Perform probe calibration and gain extrapolation measurements.
  • Perform planar, cylindrical, spherical, probe array, and robotic near-field antenna measurements.
  • Assess the accuracy and uncertainty of near-field measurement.
  • Mitigate numerous near-field measurement errors and uncertainties.
  • Perform range characterization and compensation measurements.
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  • Taught by Experts in the Field icon
    Taught by Experts in the Field

The course schedule was well-structured with a mix of lectures, class discussions, and hands-on exercises led by knowledgeable and engaging instructors.

- Abe Kani


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