BEHAVIOUR OF Fe-Ni-C ALLOY DOPED WITH HYDROGEN IN THE γ PHASE

The purpose of this paper is to compare the internal friction behaviour of Fe-Ni-C hydrogenated specimens and of hydrogen free specimens when reheating from 77 to 300 K the recently quenched structure. Cathodic hydrogen charging was done in the austenitic phase at high temperatures with a recently developed method using molten salts. A new peak ( called [MATH] peak) appears at about 150 K (in the 1 Hz frequency range) in hydrogenated specimens

A complete receiver solution for a chaotic direct sequence spread spectrum communication system

Abstract — This paper is devoted to receiver design in a Chaotic Direct-Sequence Spread Spectrum (CD3S) digital communication system. The demodulation is achieved through chaos synchronization in an efficient manner thanks to dual Unscented Kalman Filtering. The problem of carrier phase recovery, frequently neglected in chaos-based communication systems, is addressed either through Costas loop prior to demodulation or by dual estimation of the code, symbol and phase in baseband. The input signal power fluctuations, which often causes large errors in synchronizing chaotic waveforms, is also taken into account. Numerical simulations are provided to show the significance of the proposed receiver for both Additive White Gaussian Noise (AWGN) channel and a nonstationary channel. I

SOAs and Digital Linearization in Optical Networks-A Stochastic Investigation

Digital predistortion has recently spurred interest in photonics. In this paper, the authors perform a sensitivity analysis of three digital predistortion algorithms and demonstrate an increase in performance and, in some cases, robustness to uncertainties

Hereditary neuropathy with liability to pressure palsies

status: publishe

M. C. Balan Professeur, Académie Technique Militaire de Bucarest

présentée devan

Transformation de cellules de drosophile en culture

CNRS AR 13133 / INIST-CNRS - Institut de l'Information Scientifique et TechniqueSIGLEFRFranc