Accession Number : ADA140859

Title :   Amplitude Shading and Phase Weighting of a Vertical Linear Array in the SOFAR Channel by the Linear Minimum Variance Estimation Technique.

Descriptive Note : Master's thesis,

Corporate Author : NAVAL POSTGRADUATE SCHOOL MONTEREY CA

Personal Author(s) : McVicar,D P

PDF Url : ADA140859

Report Date : Dec 1983

Pagination or Media Count : 91

Abstract : A single linear vertical passive array is used in the 'SOFAR' channel to determine the depth of a single underwater source at a constant range. The phase and amplitude weights applied to the array are determined by the linear minimum variance estimation technique. The resulting beam pattern is compared to the conventional time domain beamformer. It was found that the linear minimum variance estimation technique of amplitude shading and phase weighting was significantly superior to the conventional beamformer. (Author)

Descriptors :   *Analysis of variance, *Estimates, *Linear arrays, *Hydrodynamics, Computations, Wave equations, Depth, Underwater acoustics, Amplitude, Charts, Position finding, Mathematical prediction, Theses

Subject Categories : Statistics and Probability
      Acoustic Detection and Detectors
      Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE