Cylindrical Near To Far Field Transformation System for Radar Antennas: Design, Validation, and Application

Cylindrical near-field systems are appropriate measurement systems for large L-band RADAR antennas, because they can be measured on their azimuthal positioner, and the probe can be easily translated through a vertical linear slide. Thus, for large antennas, the mechanical aspects of the measurement systems are important and the errors in this mechanical part can affect to the far-field radiation pattern. This work presents the design and validation process of the nearto- far-field transformation algorithm applied to an outdoor L-band RADAR antenna cylindrical system.