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Publication Date
Sun Dec 06 2009
Journal Name
Baghdad Science Journal
Volume
6
Issue Number
4
DOI
10.21123/bsj.2009.6.4.811-815
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bsj-1047
Decoding Reed- Muller Codes by Using Hadamard Matrices
"Reed- Muller Codes
codeword
message words
Hadamard matrices
Hamming distance"
Mohammed Ali Morad
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This paper discusses the problem of decoding codeword in Reed- Muller Codes. We will use the Hadamard matrices as a method to decode codeword in Reed- Muller codes.In addition Reed- Muller Codes are defined and encoding matrices are discussed. Finally, a method of decoding is explained and an example is given to clarify this method, as well as, this method is compared with the classical method which is called Hamming distance.

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Chemical Elements Diffusion in the Solar Interior
The standard solar model and equation of state have been used to study relative diffusion of Hydrogen and Helium in the present time for solar interior
as a function of distance and depth from the center of the star. The effects of temperature and density on diffusion velocity for these chemical elements have been explaned. It is found that heat flow which is arising from these reactions leads to an increase in helium diffusion velocity
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