Performance limits of high-resolution systems

A. Bhuyan*, H. Messer, P. M. Schultheiss

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper deals with the ability of a sensor array to resolve and/or locate closely spaced sources of random signals. The present paper calculates instrumentation-independent lower bounds on the rms error of source separation and explores its dependence on actual separation, array geometry, knowledge concerning nuisance parameters such as signal power levels, and uncertainties in array geometry or propagation conditions. By carrying average source bearing as an additional parameter it also addresses the localization problem, because average bearing and angular separation are related to separate bearings by a simple linear transformation.

Original languageEnglish
Pages (from-to)178-216
Number of pages39
JournalLecture Notes in Control and Information Sciences
StatePublished - 1991


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