Linear array lateral motion compensation method

Details Linear array lateral motion compensation method Linear array lateral motion compensation method

1993-03-22

1996-06-18

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Beam stabilization or compensation

367106, 367130, H04B 1700, G01S 1500

Patent

active

055285546

ABSTRACT:
A method for compensating for lateral distortion in a moving linear array using a frequency domain beamformer, comprising the steps of measuring the instantaneous lateral distortion of the linear array at discrete points along the array, corresponding to array element locations, calculating a shading weight for each of the discrete points along the array, corresponding to array element locations based on the instantaneous lateral distortion at each said point and calculating the compensated beam magnitude by multiplying said shading weight into the frequency domain beamformer equation.

REFERENCES:
patent: 4454597 (1984-06-01), Sullivan
patent: 5117400 (1992-05-01), Penn et al.

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