نتایج جستجو برای: arbitrary switching signal
تعداد نتایج: 569548 فیلتر نتایج به سال:
one of the most important goals for increasing recognition and treatment revenue is transmitting vital data to medical care team, more quickly. nowadays, use of new technologies for transmitting data will deploy more and more daily. in this article, for transmitting electrocardiogram, first we code the signal into a suite of codes, then we will use bluetooth technology to transmit data from off...
Multilevel inverter has so many advantages than conventional two level inverter. As the number of level increases the output approaches to a pure sinusoidal wave.Multilevel inverter using both fundamental frequency switching and higher frequency switching. In this paper discuss only about higher frequency switching.In higher frequency switching we are using two signals, one is reference signal ...
اینورترهای الکترونیک قدرت برای مصارف متنوع صنعتی به وفور استفاده می شوند. به منظور فایق آمدن بر محدودیت های مربوط به نرخ ولتاژ و جریان کلیدهای نیمه هادی در کاربردهای قدرت بالا، اتصال سری و موازی کلیدها می تواند موثر باشد، اما این اتصالات مشکلات خاص خود را دارند. همچنین شکل موج پله ای در خروجی اینورتر دارای طیف هارمونیکی بهتری نسبت به شکل موج سه سطحی در فرکانس کلیدزنی پایین می باشد. لذا در سال ه...
Saddle-node bifurcations of solitary waves in generalized nonlinear Schrödinger equations with arbitrary forms of nonlinearity and external potentials in arbitrary spatial dimensions are analyzed. First, general conditions for these bifurcations are derived. Second, it is shown analytically that the linear stability of these solitary waves does not switch at saddle-node bifurcations, which is i...
We consider the control design for a class of single-input single-output (SISO) switched linear systems of arbitrary order. Our approach is motivated by applications in which the major design objective is to achieve similar behaviour of the closed-loop system in each system mode ensuring stability for arbitrary switching. We study the stability of the resulting closed-loop system and exploit th...
In this paper, the stability analysis problem for a class of switched positive linear systems (SPLSs) with average dwell time switching is investigated. A multiple linear copositive Lyapunov function (MLCLF) is first introduced, by which the sufficient stability criteria in terms of a set of linear matrix inequalities, are given for the underlying systems in both continuous-time and discrete-ti...
This paper introduces a novel family of one-dimensional switching matrices, also known as beamforming networks (BFNs), which can be sized for an arbitrary number beams. It describes the associated numerical design method, supported by several examples. The concept is further validated with full-wave model generic 5 × matrix designed at 76 GHz. proposed matrices are obtained cascading units cons...
In haploid cells of Ogataea (Hansenula) polymorpha an environmental signal, nitrogen starvation, induces a reversible change in the structure of a chromosome. This process, mating-type switching, inverts a 19-kb DNA region to place either MATa or MATα genes under centromeric repression of transcription, depending on the orientation of the region. Here, we investigated the genetic pathway that c...
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