Title :
Phase retrieval near-field metrology of unknown apertures
Author :
Anderson, A.P. ; Cheung, Y.D. ; Junkin, G.
Author_Institution :
Dept. of Electron. & Electr. Eng., Sheffield Univ., UK
Abstract :
The complex aperture and far fields of a millimetre wave reflector are determined by phase retrieval from the near-field intensity and a partial constraint. The data scans are close together and provide comprehensive metrology suitable for near-field facilities.
Keywords :
antenna radiation patterns; microwave antennas; microwave measurement; reflector antennas; antenna metrology; complex aperture; data scans; far fields; millimetre antennas; millimetre wave reflector; near field phase retrieval metrology; near-field facilities; near-field intensity; partial constraint; submillimetre antennas;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920286
