Antenna Measurement on Cylindrical Surface in Fresnel Region UsingDirect Far-Field Measurement System

ETRI Journal

关键词: far-field measurement;    Fresnel region;    Antenna measurement;   

Others  :  1185573
DOI  :  10.4218/etrij.07.0106.0208

【 摘 要 】

The small anechoic chambers built by many small-/medium-sized companies and universities present difficulties in testing electrically large antennas because the chamber size cannot satisfy the far-field criterion of large antennas. In this paper, a method for Fresnel-region measurement on a cylindrical surface with variation of the measurement height is proposed and verified by both calculations and experiments. We implement the proposed method using a direct far-field measurement system by adding a few supporting structures. The results show good accuracy.

   

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