Abstract—
High-definition video applications, such as digital
TV and digital video cameras, require high processing performance
for high-quality visual images in addition to a complex
video CODEC. Pre-/postprocessing to improve video quality
is becoming much more important because requirements for
pre-/postprocessing vary among applications and processing
algorithms have not been stabilized. Therefore, a new processor
architecture that has a highly parallel datapath is needed. In this
paper, we introduce a VLIW vector media c ....etc

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¢ VLIW
ARCHITECTURE
¢ Increasing Processor Performance
Semiconductor Technology
Parallel Processing
Multiprocessors, Multicomputers
Parallelism within the Processor
Pipelining
ILP
¢ ILP (Instruction Level Parallelism)
Parallel Execution of Instructions.
Overlapping of instructions
ILP processors
Superscalar processors
VLIW processors.
¢ Scalar Processors
Fetching and executing an instruction at a time
A program represents a plan of execution.
The ....etc

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Efficient Hybrid Carrier Based Space Vector Modulation for a Cascaded Multilevel Inverter


INTRODUCTION
Multilevel inverters have become a popular choice in recent
years, because improving the output waveform of an inverter
reduces its respective harmonic content and, hence, the size
of the filter used and the level of electromagnetic interference
(EMI) generated by the switching operations . Various
multilevel converters structures are reported in the ....etc

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Modular VLIW Processor Based on FPGA
Modern FPGA chips, with their larger memory capacity and reconfigurability potential, are opening new frontiers in rapid prototyping of embedded systems. With the coming of high density FPGAs, it is now possible to implement a high performance VLIW processor core on an FPGA. Very Long Instruction Word(VLIW) processors are often used in the embedded systems design domain to obtain high performance. The compilers must provide sufficient level parallelism(ILP) in program code so that the performance ....etc

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Authors:
C.Govindaraju
Dr.K.Baskaran
Abstract:
This paper presents a generalized cascaded multilevel photovoltaic inverter topology for grid connected PV systems with hybrid phase disposition PWM control scheme. Hybrid PWM strategy based on the combination of fundamental frequency PWM and high frequency phase disposition PWM which reduces the power losses and improves energy efficiency. A digital proportional ....etc

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SUPERSCALAR AND VLIW PROCESSORS



What is a Superscalar Architecture?
• A superscalar architecture is one in which several
instructions can be initiated simultaneously and
executed independently.
• Pipelining allows several instructions to be
executed at the same time, but they have to be in
different pipeline stages at a given moment.
• Superscalar architectures include all features of
pipelining but, in addition, there can be several
instructi ....etc

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Abstract
Modern FPGA chips, with their larger memorycapacity and reconfigurability potential, are opening newfrontiers in rapid prototyping of embedded systems. Withthe advent of high density FPGAs it is now possible toimplement a high performance VLIW processor core in anFPGA. Architecture based on Very Long Instruction Word(VLIW) processors are an optimal choice in the attempt toobtain high performance level in embedded system. In VLIWarchitecture ,the effectiveness of these processors dependson the ability of compilers to provide suf ....etc

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CASCADED MULTILEVEL INVERTER FOR
HYBRID ELECTRIC VEHICLES
OBJECTIVE
• HEV are used for increase fuel efficiency and to tackle pollution problems.
• To make a transformer less multilevel inverter for high voltage and high current HEV.
• The cascaded inverter is IGBT based and it is fired in a sequence.
• The simulation has been done in PSIM and MATLAB and its responses match the theoretical concept of multilevel inverter.
INTRODUCTION
HEV
ARCHITECTURE
ENGINE EFFICIENCY
INCREASE FUEL ....etc

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