Для модели неидеальной магнитной гидродинамики в рамках метода контрольного объема рассматривается вариант схемы дискретизации уравнения индукции магнитного поля. используется алгоритм ограниченного переноса, обеспечивающий соленоидальность численного решения. Приводится подробный вывод дискретного аналога произвольных ортогональных криволинейных координатах для смещённых структурированных расч...

The feasibility of a Heisenberg limited phase measurement using a MachZehnder interferometer fed with twin photon correlated light is investigated. To take advantage of the Heisenberg limit, 1/N , for the phase sensitivity, one wants the number of correlated photons, N , to be high. This favors the use of parametric oscillation rather than the weaker but better correlated source given by parame...

A fiber Bragg grating (FBG) encoder/decoder scheme based on correlation subtractions of nearly orthogonal M-sequence codes is presented. With proper coder design, a receiver can reject interfering users and obtain quasi-orthogonality between optical code-division multiple-access (CDMA) users in the network. However, optical CDMA networks may be degraded by multiple-access interference (MAI) due...

Electrical conductivities of nonideal carbon and zinc plasmas have been measured in this paper. The plasma is produced by vaporizing a wire placed in a glass capillary within some hundred nanoseconds. In the case of carbon, vaporization occurs with good reproducibility when utilizing a preheating system. The particle density is in the range of n=(1-10) x 10(21) cm(-3). The plasma temperature, w...

Earlier state-of-art algorithms of iris recognition system works well for ideal-data, because of the perfect iris localization algorithms. The same ideal-algorithm suffers a lot under non-ideal data. Nonideal-data refers to eye image captured under unconstrained environments, such as non-uniform illumination, image captured at a distance, eye image with reflections, blurred image, off-axis eye ...

We prove three theorems. First, Lovász’s theorem about minimal imperfect clutters, including also Padberg’s corollaries. Second, Lehman’s result on minimal nonideal clutters. Third, a common generalization of these two. The endeavor of working out a ‘common denominator’ for Lovász’s and Lehman’s theorems leads, besides the common generalization, to a better understanding and simple polyhedral p...

This article presents an accurate and robust method to calculate the phase offset of a reference waveform, usually produced by digital-to-analog converter (DAC) in IEC Std 61850-9-2 calibration systems. The is defined with respect rising edge clock signal, locked Global Positioning System (GPS). proposed relies on synchronous acquisition DAC output signal. In complex plane, where discrete Fouri...