نتایج جستجو برای: linearization techniques
تعداد نتایج: 634837 فیلتر نتایج به سال:
The food chain refers to a natural system by which energy is transmitted from one organism to another. In fact, a food chain consists of producers, consumers and decomposition. Presence of complex food web increase the stability of the ecosystem. Classical food chain theory arises from Lotka-Volterra model. In the present paper, the dynamics behavior of three level food chain is studied. A syst...
In this paper presents a optimization of linearity of low noise amplifier by using post linearization techniques. in this technique we have used diode connected mosfet as IMD sinker also used interstage matching for gain enhancement and reducing the effect of nonlinearity in common gate stage of cascode amplifier, this has done by using UMC .18um CMOS Technology in cadence tool. We got gain 14d...
This paper outlines an approach to optical feedforward linearisation technique to reduce nonlinear distortion generated by a directly modulated semiconductor laser diode for Wireless Local Area Network (WLAN) operating in the Industrial Scientific -Medical (ISM) band 2.4 GHz (IEEE802.11b) for Radio over Fibre (RoF). Various linearization techniques are reviewed. Results with feedforward lineari...
Using clover fermions on CP-PACS dynamical configurations, we consider a number of ways of measuring hadronic electric polarizability, an |E|2 effect in hadron masses, using lattice techniques. We consider the effects of periodic and Dirichlet boundary conditions, the field linearization postulate as well as a quantized electric field. We also consider two ways of formulating the classical vect...
This paper is a survey on combinatorics of moments of orthogonal polynomials and linearization coe cients. This area was started by the seminal work of Flajolet followed by Viennot at the beginning of the 1980’s. Over the last 30 years, several tools were conceived to extract the combinatorics and compute these moments. A survey of these techniques is presented, with applications to polynomials...
In this paper, a 10-bit digital Correlated Double Sampling (CDS) high-speed CMOS Image Sensor designed in 65nm BSI technology for a 1.1μm pixel is proposed. The readout architecture has been developed to read a 13Mpix sensor (4248 x 3216) at 55frames/s, requiring a row time of 5.5μs. The readout is based on a Piece-Wise Linear (PWL) ramp generator implementing an I/C structure. Two innovative c...
Modern digital communication systems utilize OFDM and DS-CDMA signals because of their superior spectral efficiency and multiple access properties respectively. Examples of such systems include digital television (DVB-T), digital radio (DAB) and 3 Generation mobile (WCDMA). A downside to using these signals however is the need to accommodate their very high Crest Factor, also known as Peak-to-A...
In this paper, the problem of non-regular static state feedback linearization of nonlinear switched systems is considered. Using semi-tensor product, some easily verifiable sufficient conditions for non-regular feedback linearization are obtained. Then an example is presented to illustrate the non-regular linearization process.
This paper presents a new control scheme for the design of damping controllers for power systems. The scheme is based on the combination of two powerful control design techniques, namely the Linear Matrix Inequalities (LMI) techniques and the Direct Feedback Linearization (DFL). It is shown that the DFL can cancel nonlinearities in the power system model, thus reducing the uncertainty in the LM...
Bellman’s dynamic programming equation for the optimal index and control law for stochastic control problems is a parabolic or elliptic partial differential equation frequently dejhed in an unbounded domain. Ezi.sting methods of solution require bounded domain approximations, the application of singular perturbation techniques or Monte Carlo simulation procedures. In this paper, usin,q the fact...
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