نتایج جستجو برای: excitation function
تعداد نتایج: 1267350 فیلتر نتایج به سال:
This presentation concerns the simulation of disordered voices. The synthesis is based on shaping functions, which are nonlinear memoryless inputoutput characteristics that transform a trigonometric driving function into a synthetic phonatory excitation signal. One advantage of the shaping fuction model is that the instantaneous frequency and the spectral balance of the phonatory excitation sig...
We report observations in a 7-year-old girl with right ventricular pre-excitation due to an accessory atrioventricular pathway (AP), and depressed cardiac function. Echocardiographic findings consisted of left ventricular (LV) dilatation with asynchronous ventricular wall motion and diminished LV ejection fraction. Electrophysiological study revealed a para-Hisian AP. She underwent successful A...
Using a relativistic hadron transport model, we investigate the utility of the elliptic flow excitation function as a probe for the stiffness of nuclear matter and for the onset of a possible quark-gluon-plasma (QGP) phasetransition at AGS energies 1 ∼ EBeam ∼ 11 AGeV. The excitation function shows a strong dependence on the nuclear equation of state, and exhibits characteristic signatures whic...
The role of gamma oscillations in producing synchronized firing of groups of principal cells is well known. Here, we argue that gamma oscillations have a second function: they select which principal cells fire. This selection process occurs through the interaction of excitation with gamma frequency feedback inhibition. We sought to understand the rules that govern this process. One possibility ...
The brushless excitation system of aircraft AC generator is a strong coupled and nonlinearity dynamic system which is often being subjected to disturbances. Therefore, the conventional PID controller is unable to meet the brushless excitation system control requirements of More Electric Aircraft (MEA) or All Electric Aircraft (AEA). A new brushless excitation compound control controller (RBFPID...
Excitation of 3G° levels of the nickel atom was investigated using method extended atomic and electron crossing beams with registration optical signal excited atoms. At an energy exciting electrons 50 eV, 14 excitation cross sections were measured. In range 0 to 200 functions (OEF) recorded for transitions from five levels. Based on results obtained, total level are calculated. All the...
We combine the stochastic perturbation method with maximum entropy principle to construct approximations of first probability density function steady-state solution a class nonlinear oscillators subject small perturbations in term and driven by excitation. The nonlinearity depends both upon position velocity, excitation is given stationary Gaussian process certain additional properties. Further...
We study the effect of the spreading widths on the excitation probabilities of the double giant dipole resonance. We solve the coupledchannels equations for the excitation of the giant dipole resonance and the double giant dipole resonance. Taking Pb + Pb collisions as example, we study the resulting effect on the excitation amplitudes, and cross sections as a function of the width of the state...
large capacity cylindrical tanks are used to store a variety of liquids. their satisfactoryperformance during earthquake is crucial for modern facilities. in present paper, the behavior of cylindricalconcrete tanks under harmonic excitation is studied using the finite element method. liquid sloshing, liquidviscosity and wall flexibility are considered and additionally excitation frequency, liqu...
The aim of this work is to develop ajlexible and eficient approach to the classifcation of the ratio of voiced to unvoiced excitation sources in continuous speech. To achieve this aim we adopt a probabilistic neural network approach. This is accomplished by designing a multi layer perceptron classifer trained by steepest descent minimization of the Least Relative Entropy W) cost function. By us...
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