Abstract
Due to increasing demand for speech communications, efficient techniques in low-rate speech coding are of interest.Here a new compression technique using root cepstral analysis has been proposed. Implementing the proposed method causes the coder to deal with root cepstrum coefficients instead of speech samples. The main idea in using root cepstrum analysis is that some of the trivial coefficients can be ignored to send toward the decoder. Thus considerable reduction in the total bit-rate is achieved. Moreover it has the advanta ....etc

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This project is aimed at analyzing the available methods for solving a system of linear equations of the form n x n. Using a couple of iterative and/or direct methods, implement a program for these methods that could be run on a parallel
processor. At the end, a graph can be plotted with time taken for execution of a method considered V/s number of processors used (2, 4, 8, 32). For example following questions need to be addressed “
1. For a method considered, evaluate that as the number of processors is increased does the time taken ne ....etc

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Communication protocols belong to the broad class of d lscrete-event
systems. Other examples of these systems are flexible manufacturing systems,
process control systems, office information systems and VLSI circuits. The
behaviour of all of these systems can be characterized by starting and
ending times,these systems inherently involve the
consideration of the notions of concurrency, nondeterminism, time and
Therefore the formal description technique (FDT) used to the
description of a discrete-event system should be able to express these ....etc

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dnssec a protocol towards securing the internet infrastructure
dnssec a protocol towards securing the internet infrastructure ppt ....etc

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Power Factor Correction of Linear and Non-linear Loads Employing a Single Phase Active Power Filter Based on a Full-Bridge Current Source Inverter Controlled Through the Sensor of the AC Mains Current
Abstract:
In the last years the number of non-linear loads has been increasing rapidly. This non-linear load had drawn a current form the AC Mains with harmonic components, leading to low power factor, low efficiency, interference by the EMI, among others. A classic solution is the use of passive filters, which ....etc

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In this paper, the implementation of a shunt active power filter with a small series reactor for a three-phase system is presented. The system consists of multiple non-linear loads, which are a combination of harmonic current sources and harmonic voltage sources, with significant unbalanced components.The filter consists of a three-phase current-controlled voltage source inverter (CC-VSI) with a filter inductance at the ac output and a dc-bus capacitor. The CC-VSI is operated to directly control the ac grid current to be sinuso ....etc

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DNSSEC : A Protocol towards securing

Abstract: Unlike spam, worms, viruses, and phishing”all of which confront end users directly” infrastructure attacks occur outside their normal frame of reference and control. But attacks on the Domain Name System (DNS), an engine of the Internet infrastructure, appear to be increasing in length and severity, affecting DNS information associated with financial services institutions, Internet service providers, and major corporations in the travel, health, technology, and media/ entertainment ....etc

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Dnssec protol toward secure internet infrastructure ....etc

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Seminar Report On
DNSSEC
(A Protocol towards securing the Internet Infrastructure)
Submitted by
SAHEER H
In partial fulfillment of requirements of the award of
Master of Technology (M-Tech)
In
Software engineering
DEPARTMENT OF COMPUTER SCIENCE
COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
COCHIN-682022Page 2

COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
DEPARTMENT OF COMPUTER SCIENCE
COCHIN-682022
Certificate
This is to certify that the seminar report entitled DNSSEC “ A Protocol towards securing the
Internet Infrastruct ....etc

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It is shown that several (single-mode) models (PTT, XPP) are basically special cases of the General Network model. The XPP model of Verbeeten et al (2001) is shown to give an identical response to a PTT model at high elongational rates, but the models differ in shear flow at high shear rates. The Giesekus term in the XPP model has actually no effect at any deformation rate except the generation of a second normal stress difference at small shear rates. The possibility of tailoring the shear flow response at high shear rates is explored. The res ....etc

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