Mapping the synthetic aperture radar signal processor on a distributed-memory MIMD architecture

This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic image of the sensed scene. The initial goal of our work has been the evaluation of the use of a Distributed-Memory Multiple-Instruction stream...

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Published in:Parallel computing Vol. 22; no. 5; pp. 761 - 784
Main Authors: Fabbretti, G., Farina, A., Laforenza, D., Vinelli, F.
Format: Journal Article
Language:English
Published: Elsevier B.V 1996
Subjects:
Butterfly
FFT
Hypercube architecture
Implementation features
nCUBE2
Parallel algorithms
Performance results
SAR processing
nCUBE2
Butterfly
FFT
Implementation features
Performance results
SAR processing
Parallel algorithms
Hypercube architecture
ISSN:0167-8191, 1872-7336
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Abstract This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic image of the sensed scene. The initial goal of our work has been the evaluation of the use of a Distributed-Memory Multiple-Instruction stream Multiple-Data stream (DM-MIMD) parallel computer for SAR processing, with respect to the use of a conventional monoprocessor RISC workstation. To meet this goal, a study of some algorithms of the radix-2 n class for the one-dimensional (1D) and two-dimensional (2D) FFTs has been conducted. A good algorithm candidate to be parallelized and used as kernel component of our SAR processor has been selected.
AbstractList This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic image of the sensed scene. The initial goal of our work has been the evaluation of the use of a Distributed-Memory Multiple-Instruction stream Multiple-Data stream (DM-MIMD) parallel computer for SAR processing, with respect to the use of a conventional monoprocessor RISC workstation. To meet this goal, a study of some algorithms of the radix-2 n class for the one-dimensional (1D) and two-dimensional (2D) FFTs has been conducted. A good algorithm candidate to be parallelized and used as kernel component of our SAR processor has been selected.
This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic image of the sensed scene. The initial goal of our work has been the evaluation of the use of a Distributed-Memory Multiple-Instruction stream Multiple-Data stream (DM-MIMD) parallel computer for SAR processing, with respect to the use of a conventional monoprocessor RISC workstation. To meet this goal, a study of some algorithms of the radix-2 super(n) class for the one-dimensional (1D) and two-dimensional (2D) FFTs has been conducted. A good algorithm candidate to be parallelized and used as kernel component of our SAR processor has been selected.
Author Fabbretti, G.
Farina, A.
Vinelli, F.
Laforenza, D.
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  organization: Alenia, Systems Analysis & Scientific Computing Group, via Tiburtina, km. 12.4, 00131 Rome, Italy
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Cites_doi 10.1016/0167-8191(87)90018-4
10.1109/TASSP.1986.1164804
10.1109/78.80774
10.1016/S0167-8191(05)80100-0
10.1016/0167-8191(94)90026-4
10.1016/S0167-8191(05)80051-1
10.1109/7.78308
10.1090/S0025-5718-1965-0178586-1
10.1002/cpe.4330020404
10.1016/0165-1684(93)90017-5
10.1016/0165-1684(94)90204-6
10.1109/TASSP.1986.1164811
10.1016/0743-7315(91)90028-8
10.1177/109434209300700202
10.1016/0167-8191(92)90066-G
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Issue 5
Keywords nCUBE2
Butterfly
FFT
Implementation features
Performance results
SAR processing
Parallel algorithms
Hypercube architecture
Language English
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  ident: 10.1016/0167-8191(96)00013-0_BIB10
  article-title: A massively parallel digital processor for spotlight synthetic aperture radar
  publication-title: Internat. J. Supercomput. Appl.
  doi: 10.1177/109434209300700202
– volume: 18
  start-page: 1201
  year: 1992
  ident: 10.1016/0167-8191(96)00013-0_BIB5
  article-title: Cooley-Tukey FFT on the connection machine
  publication-title: Parallel Comput.
  doi: 10.1016/0167-8191(92)90066-G
– year: 1987
  ident: 10.1016/0167-8191(96)00013-0_BIB1
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Snippet This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic...
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SubjectTerms Butterfly
FFT
Hypercube architecture
Implementation features
nCUBE2
Parallel algorithms
Performance results
SAR processing
Title Mapping the synthetic aperture radar signal processor on a distributed-memory MIMD architecture
URI https://dx.doi.org/10.1016/0167-8191(96)00013-0
https://www.proquest.com/docview/26198963
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