نتایج جستجو برای: q factor
تعداد نتایج: 956049 فیلتر نتایج به سال:
In this paper we have analyzes the impact of chirp factor in terms of Q-factor, BER and jitter with different dispersion parameters for optical Soliton transmission links at 40 Gb/s. The results show that BER is minimum, Q-factor is maximum and the jitter value is minimum at or near 0. 7 values of chirp factor, also, the performance Soliton transmission system has optimum value. Further, it has...
we have designed a new type of optical channel drop filter (cdf) based on two dimensionaltriangular lattice photonic crystals. cdf operation is based on coupling to the photonic crystalwaveguide. the proposed structure is optimized to work as a cdf for obtaining the cdfcharacteristics and band structure of the filter the finite difference time domain (fdtd) method andplane wave expansion (pwe) ...
We consider the problem of computing the q 7→ p norm of a matrix A, which is defined for p, q ≥ 1, as ‖A‖q 7→p = max x 6=~0 ‖Ax‖p ‖x‖q . This is in general a non-convex optimization problem, and is a natural generalization of the well-studied question of computing singular values (this corresponds to p = q = 2). Different settings of parameters give rise to a variety of known interesting proble...
BACKGROUND Although the Eating Disorder Examination Questionnaire (EDE-Q) is perhaps the single most widely used self-report measure of eating disorder (ED) symptoms, important questions remain about its validity and applicability in relation to particular groups of individuals, especially adolescents of both genders. METHODS The present study investigated the factor structure of the adolesce...
Declining water level of Lake Urmia is one of the environmental crises that has affected the adaptation capacity of the villagers around it. As it has incurred great costs in economic, social and environmental dimensions for the rural residents around it. Therefore, the purpose of this study is to study the factors and forces affecting the adaptation capacity of rural settlements in the face of...
Spectral rigidity in Hermitian quantum chaotic systems signals the presence of dynamical universal features at timescales that can be much shorter than Heisenberg time. We study analog this timescale many-body non-Hermitian chaos by a detailed analysis long-range spectral correlators. For purpose, we investigate number variance and form factor $q$-body Sachdev-Ye-Kitaev (nHSYK) model, which des...
We investigate radial excitation of the quark-antiquark pair in ${\ensuremath{\pi}}^{0}$ meson and its effects on $\ensuremath{\gamma}{\ensuremath{\gamma}}^{*}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{0}$ transition form factor framework light cone perturbative QCD. The existing constraints wave function lowest Fock state $|q\overline{q}⟩$ allow a sizeable pair. construct for first radially e...
Unconventional symmetry breaking without spin order,such as the rotational (=nematic or smectic) orders well spontaneous loop-current orders, have been recently reported in cuprate superconductors and their related materials.They are theoretically represented by non-$A_{1g}$ self-energy, which we call form factor $f_{k,q}$.In this paper, analyze typical Hubbard models applying renormalization-g...
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