1 June 1992 Echo imaging with beam-steered data
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Abstract
This paper presents a system model and inversion for the beam-steered data obtained via linearly varying the relative phase among the elements of an array, also known as phased array scan data. The system model and inversion incorporate the radiation pattern of the array's elements. The inversion method utilizes the time samples of the echoed signals for each scan angle instead of range focusing. It is shown that the temporal Fourier transform of the phased array scan data provides the distribution of the spatial Fourier transform of the reflectivity function for the medium to be imaged. It is shown that the imaging information obtained via the inversion of phased array scan data is equivalent to the image reconstructed from its synthesized array counterpart.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mehrdad Soumekh "Echo imaging with beam-steered data", Proc. SPIE 1652, Medical Imaging VI: Image Processing, (1 June 1992); doi: 10.1117/12.59422; https://doi.org/10.1117/12.59422
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