Scalable range migration algorithm for high-resolution, large-ar

Communications: directive radio wave systems and devices (e.g. – Synthetic aperture radar

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Details

342175, 342192, 342195, 342196, G01S 1390

Patent

active

060183063

ABSTRACT:
An improved range migration algorithm or processing method that advantageously performs digital synthetic aperture radar image formation processing. The range migration algorithm provides high-resolution, large-area spotlight SAR imaging that is free from phase and gain discontinuities and geometric distortions. The range migration algorithm also provides for truly scalable and portable processing. The range migration algorithm may be used in a real-time implementation on a multi-processor platform. The range migration algorithm of the present invention does not perform range deskew, which results in more efficient processing and the imaging of very large swath widths. In addition, the range migration algorithm explicitly and efficiently treats the residual video phase term. Also, no overcollection of input data is required.

REFERENCES:
patent: 4471357 (1984-09-01), Wu et al.
Alan E. Charlesworth et al., "Introducing Replicated VLSI to Supercomputing: the FPS-164/MAX Scientific Computer"; IEEE Computer magazine; Mar., 1986; posted on Internet at www.scl.ameslab.gov.

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