نتایج جستجو برای: مدل mbe
تعداد نتایج: 121734 فیلتر نتایج به سال:
Advanced III–V transistors require unprecedented low-resistance contacts in order to simultaneously scale bandwidth, fmax and ft with the physical active region [M.J.W. Rodwell, M. Le, B. Brar, in: Proceedings of the IEEE, 96, 2008, p. 748]. Low-resistance contacts have been previously demonstrated using molecular beam epitaxy (MBE), which provides active doping above 4 10 cm 3 and permits insi...
Motivated by a controversy over the correct results derived from the dynamic renormalization group (DRG) analysis of the nonlinear molecular beam epitaxy (MBE) equation, a self-consistent expansion for the nonlinear MBE theory is considered. The scaling exponents are obtained for spatially correlated noise of the general form D(r-r('),t-t('))=2D(0)[r-->-r(')](2rho-d)delta(t-t(')). I find a lowe...
Annotated speech corpora are indispensable to various areas of speech research. In this paper, we present a novel discriminative training approach for HMM-based automatic phonetic segmentation. The objective of the proposed minimum boundary error (MBE) discriminative training approach is to minimize the expected boundary errors over a set of phonetic alignments represented as a phonetic lattice...
In this paper, we address two ways of difference expansion based reversible DNA watermarking using noncoding DNA sequence. Unlike image data, the reversible DNA watermarking should consider the string structure of a DNA sequence, the organism functionality, the perfect recovery, and the high embedding capacity. We convert the string sequence of four characters in noncoding region to the decimal...
Model Based Engineering aims to improve efficiency and effectiveness of software engineering. Success in industrial practice of MBE does not only depend on the modeling languages and constructive or analytical approaches, like code generation or model checking. It is also heavily influenced by the quality and, particularly, usability of the selected tools. In this position paper, we discuss cha...
Annotated speech corpora are indispensable to various areas of speech research. In this paper, we present a novel discriminative training approach for HMM-based automatic phonetic segmentation. The objective of the proposed minimum boundary error (MBE) discriminative training approach is to minimize the expected boundary errors over a set of phonetic alignments represented as a phonetic lattice...
Strong broad photoluminescence similar to that observed in some materials grown by molecular beam epitaxy (MBE) has been observed in Si/Si, -,Ge,/Si quantum wells grown by chemical vapor deposition. As grown, the samples exhibited SiGe band-edge phonon-resolved bound-exciton luminescence, but after being self-implanted with silicon and annealed at 600 “C, a deep broad luminescence band 80-100 m...
In this paper, we review the contributions which MBE (molecular beam epitaxy) has made to the field of GMR (giant magnetoresistance) and interlayer exchange coupling in magnetic multilayers and sandwiches. A historical overview is given and a key advantage of MBE over alternative preparation techniques is emphasized: the ability to probe in situ the growth and structure of these materials. Rece...
We present an investigation of the representation of voice source aperiodicities in the Multi-Band Excitation (MBE) speech model for the compression of narrowband speech. The MBE model is a fixed-frame based analysis-synthesis algorithm which combines harmonic and stochastic components to reconstruct speech from estimated model parameters. Pitch cycle perturbations, such as jitter and shimmer, ...
This paper introduces a growth method—suboxide molecular-beam epitaxy (S-MBE)—which enables drastic enhancement in the rates of Ga2O3 and related materials to over 1 ?m h?1 an adsorption-controlled regime, combined with excellent crystallinity. Using Ga + mixture oxygen mole fraction x(O) = 0.4 as MBE source, we overcome kinetic limits that had previously hampered by MBE. We present up 1.6 1.5 ...
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