ARRAY ELEMENT GAIN AND PHASE ESTIMATION IN THE PRESENCE OF INTERFERENCE

Authors
  1. Hung, E.K.L.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
Presented is a method to estimate the element gains and phases of a sensor array when interfering signals, including specular multipath, are present. A movable calibration source is used. The element gains are derived from the relative output powers at the array elements. The element phases are obtained by transforming the array snapshots to make the source direction appear fixed and then maximizing a function constructed with the transformed snapshots. Computer simulations produce highly accurate estimates of element gains and phases when the signal directions are not known, the set of element phase estimates contains an additional component which produces a bias in direction estimates.
Keywords
Array calibration;Element gains;Element phases;Specular Multipath Interference
Report Number
DREO-1211 — Technical Report
Date of publication
01 Dec 1993
Number of Pages
28
DSTKIM No
94-03644
CANDIS No
142975
Format(s):
Hardcopy;Originator's fiche received by DSIS

Permanent link

Document 1 of 1

Date modified: