Abstract

Phase retrieval implies extraction of the phase of a complex signal ƒ from its modulus |ƒ|. We give examples where an additional constraint is imposed: knowledge of the modulus of <i>F</i>, the Fourier transform of ƒ. The retrieval is accomplished by computer processing of samples of |ƒ| and |<i>F</i>|. The problems of noisy data and nonuniqueness are addressed.

© 1976 Optical Society of America

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