A new technique for phasing coherent arrays is described for the situation in which independent realizations of an object's far field are measured, with each measurement corrupted by a different phase error. The method is similar to the imaging correlography technique in that an estimate of the object's autocorrelation is obtained by correlating the far-field intensities. However, in contrast with imaging correlography, this information is then used to estimate the phase errors for each realization, and the phase-error estimates are used to phase the array and form an estimate of the object.<>
Phase-error correction for coherent array imaging systems
Proceedings of 1st International Conference on Image Processing ; 3 ; 314-318 vol.3
01.01.1994
312491 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Phase-Error Correction for Coherent Array Imaging Systems
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