INTRODUCTION
Solid freeform fabrication (SFF) encompasses a class of processes that can be used to design and construct parts using a layer-additive approach. SFF processes are an outgrowth of rapid prototyping processes such as stereolithography for plastics and welding repair techniques employing laser, electron beam, or arc welding for repairing metal seal knife edges, turbine blade tips, or tooling dies. Current development efforts are expanding these repair techniques and applying principles from ....etc

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OPERATIONAL AMPLIFIERS
OPERATIONAL AMPLIFIERS (OP-AMP)
The standard operational amplifier (op-amp) symbol is shown in Figure 12-1(a). It has two terminals, the inverting input
(-) and the non inverting input (+), and one output terminal. The typical op-amp operates with two dc supply voltages, one positive and the other negative, as shown in Figure 12-1(b). Usually these dc voltage terminals are left off the schematic symbol for simplicity but are always understood to be there.
The Ideal Op-Amp
The ideal op-a ....etc

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PREFACE

The DSP world today is ruled by different transforms. Discrete Fourier transforms are most used. So is the fast Fourier transform, which is the faster version of DFT.
Suppose we take FFT of a signal. On taking the inverse fast Fourier transform,we except the output to be the same as the input.This is called the invertibility property.But on most occasions, dissapointment is the result. This is due to the finite word length of the registers used to store the samples and the coefficients.
This seminar introduces a method called integ ....etc

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ABSTRACT
The utilization of autonomous intelligent robots in search and rescue (SAR) is a new and challenging field of robotics, dealing with tasks in extremely hazardous and complex disaster environments. Autonomy, high mobility, robustness, and modularity are critical design issues of rescue robotics, requiring dexterous devices equipped with the ability to learn from prior rescue experience, adaptable to variable types of usage with a wide enough functionality under different sensing modules, and comp ....etc

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i need some basic information about telephonic resulting system
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Abstract
Homogeneous charge compression ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to the point of auto-ignition. Homogeneous charge compression ignition (HCCI) engines have
the potential for high efficiencies and low pollutant emissions.By comparison with spark ignition (SI) engines, for example,HCCI engines can yield a 15-20% increase in fuel economy while emitting lower levels of oxides of nitrogen (NOx).HCCI engines can also achieve thermal eff ....etc

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SEMINAR REPORT ON EVALUATION OF FLOW LIQUEFACTION AND LIQUEFIED SHEAR STRENGTH USING CONE PENETRATION TEST


ABSTRACT

Flow liquefaction is a major design issue for large soil structures such as mine tailings impoundments and earth dams. If a soil is strain softening in undrained shear and, hence, susceptible to flow liquefaction, an estimate of the resulting liquefied shear strength is required for stability analyses. Many procedures have been published for estimating the residual or liquefie ....etc

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CHAPTER 1: INTRODUCTION
Here is an inexpensive auto cut-off circuit, which is fabricated using transistor and other discrete components. It can be used to protect loads such as refrigerator, T.V., and VCR from undesirable over and under line voltages, as well as surges caused due to sudden failure/resumption of main power supply. This circuit can be used directly as a standalone circuit between the mains supply and the load, or it may be inserted between an existing automatic/manual stabilizer and the load.
The over/u ....etc

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Introducing DWDM
The following discussion provides some background on why dense wavelength division multiplexing (DWDM) is an important innovation in optical networks and what benefits it can provide. We begin with a high-level view of the segments of the global network and the economic forces driving the revolution in fiber optic networks. We then examine the differences between traditional time-division multiplexing (TDM) and wavelength division multiplexing (WDM). Finally, we explore the advantages of this new technology. ....etc

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ABSTRACT
The utilization of autonomous intelligent roots in search and rescue (SAR) is a new and challenging field of Robotics dealing with the task in extremely hazardous and complex disaster environments. Autonomy, high mobility, robustness and modularity is critical design issues of rescue robotics requiring dexterous devices equipped with the ability to learn from prior experience, adaptable to variable types of usage with a wide enough functionality under different sensing modules and compliant to e ....etc

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