Correction of characteristics of receiving channels in a digital antenna array by a test source in the near zone
SLYUSAR, V.I.; POKROVSKII, V.I.; SAKHNO, V.F. "A technique for correction of amplitude-phase characteristics of primary channels in a planar digital antenna array," RF Patent No. 2103768, Int. Cl. H01Q3/36, G 01 R 29/10, published 27 Jan 1998, Bull. Izobr., n.3, 1998.
SLYUSAR, V.I. "A way of correction of DAA receiving channels characteristics using the heterodyne signal," Proc. of Int. Conf. on Antenna Theory and Techniques, 8-11 Sept. 1999, Sevastopil, Ukraine. Sevastopil, 1999, p.244-245. URI: http://icatt.org.ua/proc/article/view/ICATT.1999.1236177.