Gabidulin Matrix Codes and Their Application to Small Ciphertext Size Cryptosystems

2017 ◽  
pp. 247-266 ◽  
Author(s):  
Thierry P. Berger ◽  
Philippe Gaborit ◽  
Olivier Ruatta
Keyword(s):  
Matrix Codes

Stability and Response of Rotors Supported on Active Magnetic Bearings

1993 ◽  
Author(s):  
K. Ramesh ◽  
R. G. Kirk
Keyword(s):  
Finite Element ◽  
Stability Analysis ◽  
Transfer Matrix ◽  
Magnetic Bearings ◽  
Active Magnetic Bearings ◽  
Finite Element Program ◽  
Element Program ◽  
Matrix Codes ◽  
The Stability

Abstract A PC-based program has been developed which is capable of performing stability analysis and response calculations of rotor-bearing systems. The paper discusses the modeling of rotors supported on active magnetic bearings (AMB) and highlights the advantages in the modeling using the finite element method, over the transfer matrix method. An 8-stage centrifugal compressor supported on AMB was chosen for the case study. The results for the stability analysis, obtained using the finite element program was compared with those obtained by the well established transfer matrix codes. The results of unbalance response, including the effects of sensor non collocation are presented and this demonstrates how an AMB supported rotor can experience a synchronous instability for selected sensor locations and balance distributions.

scholarly journals Lossy Source Compression Using Low-Density Generator Matrix Codes: Analysis and Algorithms

2010 ◽  
Vol 56 (3) ◽  
pp. 1351-1368 ◽  
Author(s):  
Martin J. Wainwright ◽  
Elitza Maneva ◽  
Emin Martinian
Keyword(s):  
Low Density ◽  
Generator Matrix ◽  
Matrix Codes

Design and performance analysis of wavelength/time (W/T) matrix codes for optical CDMA

2003 ◽  
Vol 21 (11) ◽  
pp. 2524-2533 ◽  
Author(s):  
A.J. Mendez ◽  
R.M. Gagliardi ◽  
V.J. Hernandez ◽  
C.V. Bennett ◽  
W.J. Lennon
Keyword(s):  
Performance Analysis ◽  
Optical Cdma ◽  
T Matrix ◽  
Matrix Codes ◽  
And Performance
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