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Negabinary encoding for optical complex matrix operation
- Source :
- Optics Communications. 113:15-19
- Publication Year :
- 1994
- Publisher :
- Elsevier BV, 1994.
-
Abstract
- Based on negabinary number representation, complex matrix-vector multiplication is performed using an optical multichannel shadow-casting incoherent correlator. The architecture resolves the difficulties presented in the systems using other number encodings. In multiplication, bipolar data are processed without signs and extensional digits, and the mixed negabinary product can be summed directly. Through negative 2's complement operation, subtraction is converted to addition. By the decomposition of complex numbers, the complex matrix-vector operation is executed in parallel. The experiment is demonstrated, too.
- Subjects :
- business.industry
Computer science
Subtraction
Optical computing
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Optics
Encoding (memory)
Optical correlator
Binary code
Multiplication
Electrical and Electronic Engineering
Physical and Theoretical Chemistry
Arithmetic
business
Complex number
Vector calculus
Subjects
Details
- ISSN :
- 00304018
- Volume :
- 113
- Database :
- OpenAIRE
- Journal :
- Optics Communications
- Accession number :
- edsair.doi...........b39ef70dda5307da898a5e8b815c11c5