Transputer arrays for solving partitioned systems of linear equations

Al-Turaigi, M. A.; Afifi, M.; El-Azhary, I.; Excell, Peter S.

doi:10.1080/00207218908925433

Cited by 2 publications

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“…The authors of the present work introduced, in previous works, methods for solving a 3 x 3 system (AI-Turaigi et al 1989a) and a partitioned system of 3n x 3n linear equations (AI-Turaigi et al 1987, 1989b which are suitable for an environment of nine transputers (in an IMS B006, for example).…”

Section: Introductionmentioning

confidence: 99%

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Transputers for solving any system of linear equations

El-Azhary

Afifi

Al-Turaigi

et al. 1991

International Journal of Electronics

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Previous papers by the same authors have considered methods for solving a 3 x 3 system and a partitioned system of 3n x 3n linear equations which are suitable for an environment of nine transputers. This paper covers the case of a general n x n system of linear equations. The new algorithm is fully described in an Occam-like language. The number of flops in the parallel and the sequential media are compared. A numerical example for solving a 4 x 4 system is given.

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Section: Introductionmentioning

confidence: 99%

“…Links between the adjacent elements of the array are bi-directional. Al-Turaigi and Bickart (1984) and AI-Turaigi (1983) suggested the use of the Fawcett regular array in both phases of the solution (i.e. decomposition and ordered substitutions).…”

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confidence: 99%

Transputers for solving any system of linear equations

El-Azhary

Afifi

Al-Turaigi

et al. 1991

International Journal of Electronics

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Radiation analysis and errors associated with the monopulse operation of a satellite direction finder

Afifi

1990

Int. J. Satell. Commun.

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This work describes the radiation performance of a novel concept for direction and location finding, using stationary satellite beacons. The received signals are processed with a monopulse four‐element array. The monopulse mode is generated using the phase excitation of the radiating elements. For accurate processing the radiation phase should correspond with the bearing angle around the boresight direction. Phase deviations, however, occur in this phase pattern owing to the discrete excitation of the elements. Therefore, detailed analyses are presented for this phase pattern, its attainable gain and the depolarization effects, in order to select the kind of array elements, and their spacings, which minimize the phase pattern deviations. The dipoles and the slots, as array elements, yield better phase performance, smaller size and simpler structures than horn radiators, at the expense of worse depolarization.

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Transputer arrays for solving partitioned systems of linear equations

Cited by 2 publications

References 1 publication

Transputers for solving any system of linear equations

Transputers for solving any system of linear equations

Radiation analysis and errors associated with the monopulse operation of a satellite direction finder

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