Volume 9, Issue 12 (2012) | American Journal of Applied Sciences

Measuring the Operating Efficiency of Solar Cell Companies in Taiwan with Data Envelopment Analysis

Jui-Min Hsiao — 2012-11-07

American Journal of Applied Sciences, Published online: 7 November 2012; doi:10.3844/ajassp.2012.1899.1905

This study discusses the Data Envelopment Analysis (DEA) approach to measure the operating efficiency of solar cell companies. With active and constructive advancement of the government, competition i...

Enhancement of Quality of Service Parameters in Wimax Mobile Networks

Chandra — 2012-11-07

American Journal of Applied Sciences, Published online: 7 November 2012; doi:10.3844/ajassp.2012.1906.1915

Next generation mobile networks are expected to provide seamless personal mobile communication and QoS. Since the demands for high speed Internet access as well as multimedia service had increased for...

Effect of Acidity on Delta 7 Stigmastenol Content of Palestinian Olive Oil

Jihad M. Quasem — 2012-11-07

American Journal of Applied Sciences, Published online: 7 November 2012; doi:10.3844/ajassp.2012.1916.1921

Olive oil quality is a term influenced by many factors. Δ7 Stigmastenol is a new criteria used to determine olive oil quality especially its purity from adulteration with other types of seeds oil. Δ...

Effect of Low Temperature on the Fabrication of Microring Resonator by Wet Etching

Hazura Haroon — 2012-11-07

American Journal of Applied Sciences, Published online: 7 November 2012; doi:10.3844/ajassp.2012.1922.1928

Research related to semiconductor devices often relies on wafer fabrication. The fabrication of Silicon (Si) based devices by anisotropic wet etching can be affected by many etching parameters such as...

Voltage Stability of Short Transmission Line Equipped with a Thyristor Controlled Series Capacitor

Prechanon Kumkratug — 2012-11-08

American Journal of Applied Sciences, Published online: 8 November 2012; doi:10.3844/ajassp.2012.1929.1933

It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues, costs of construction and deregulation policies t...

A Fuzzy Fast Classification for Share Market Database with Lower and Upper Bounds

Srinivasan Vaiyapuri — 2012-11-08

American Journal of Applied Sciences, Published online: 8 November 2012; doi:10.3844/ajassp.2012.1934.1939

In recent years, many researchers focused on the research topic of constructing fuzzy classification system. This study introduces a Fuzzy Fast Classification (FFC) approach for large data sets. It ha...

Path Loss Prediction Using Fuzzy Inference System and Ellipsoidal Rules

Mario Versaci — 2012-12-06

American Journal of Applied Sciences, Published online: 6 December 2012; doi:10.3844/ajassp.2012.1940.1943

It is well known as the prediction of radio wave path loss in urban environment plays a key role in order to correctly plan wireless systems and mobile communication networks. To obtain more flexible ...

Computational Techniques for Stability Analysis of a Class of Dynamic Economic Models

George E. Halkos — 2012-12-12

American Journal of Applied Sciences, Published online: 12 December 2012; doi:10.3844/ajassp.2012.1944.1952

Modern microeconomics and macroeconomics study dynamic phenomena. Dynamics could predict future states of an economy based on its structural characteristics. Dynamic models in discrete time discrete s...

Organizational Factors and Innovativeness of Housing Developers

Ahmed Mohammed Kamaruddeen — 2012-12-12

American Journal of Applied Sciences, Published online: 12 December 2012; doi:10.3844/ajassp.2012.1953.1966

In examining the influence of a firm’s structure and culture on innovativeness among housing developers in Malaysia, we draw a theoretical perspective to develop hypotheses, that propose the structu...

Cylinder Pressure Variations of the Fumigated Hydrogen-Diesel Dual Fuel Combustion

Boonthum Wongchai — 2012-12-12

American Journal of Applied Sciences, Published online: 12 December 2012; doi:10.3844/ajassp.2012.1967.1973

Cylinder pressure is one of the main parameters of diesel engine combustion affecting several changes in exhaust gas emission composition and amount as well as engine useful power, specifically when a...

Integration Model of ISO 14001 with Lean Principles

A. L. Puvanasvaran — 2012-12-14

American Journal of Applied Sciences, Published online: 14 December 2012; doi:10.3844/ajassp.2012.1974.1978

Lean principles and ISO 14001 are key business process strategies which are employed by companies to enchance their manufacturing performance and business efficiencies. The primary objective of the pa...

An Overview of Direction-of-Arrival Estimation using an Antenna Array with Four Elements

Lotfi Osman — 2012-12-14

American Journal of Applied Sciences, Published online: 14 December 2012; doi:10.3844/ajassp.2012.1979.1984

The Direction-of-Arrival (DOA) estimation techniques using antenna arrays are applied in large areas of research fields and have received great attention in literature. Mobile communication, Sonar and...

Peak to Average Power Ratio Reduction of Orthogonal Frequency Division Multiplexing System with a Significant Low Complexity

Mahamod Ismail — 2012-12-20

American Journal of Applied Sciences, Published online: 20 December 2012; doi:10.3844/ajassp.2012.1985.1989

The Orthogonal Frequency Division Multiplexing (OFDM) has been widely used in many applications in the last decade. It provides good benefits compared to the single carrier systems. However, it has a ...

Modeling of Fundamental Frequency Contours for Thai Dialects with Large Speech Database

Suphattharachai Chomphan — 2012-12-20

American Journal of Applied Sciences, Published online: 20 December 2012; doi:10.3844/ajassp.2012.1990.2003

In four core regions of Thailand, there are four main dialects including central, north, northeast and south dialects. The prosody is significantly unique for each dialect. One important factor determ...

Patient Safety in Inpatient Wards: Sample of a University Hospital

Fereshteh Farzianpour — 2012-12-29

American Journal of Applied Sciences, Published online: 29 December 2012; doi:10.3844/ajassp.2012.2004.2011

The aim of this study was to evaluate the patient safety in inpatient wards of an educational hospital affiliated with Tehran University of Medical Sciences from the viewpoint of nursing staff using t...

Genetic Based Plus Integral Controller for PMBLDC Motor Control using Resonant Pole Inverter

Muruganantham — 2013-01-05

American Journal of Applied Sciences, Published online: 5 January 2013; doi:10.3844/ajassp.2012.2012.2020

Permanent Magnet Brushless DC (PMBLDC) motor drives are increasingly popular in industrial applications due to rapid progress of technologies in power electronics and the growing demand for energy sav...

Performance of Energy Detection and Matched Filter Receivers in Human Body Communication Channel

Mohamad Abou El-Nasr — 2013-01-05

American Journal of Applied Sciences, Published online: 5 January 2013; doi:10.3844/ajassp.2012.2021.2027

This study studies the Bit-Error-Rate (BER) performance of matched filter and energy detection receivers in Human Body Communication (HBC) channel model. HBC, as defined by the IEEE 802.15 Task Group ...

VLSI Implementation of FIR Filter Using Computational Sharing Multiplier Based on High Speed Carry Select Adder

S. Karunakaran — 2013-01-05

American Journal of Applied Sciences, Published online: 5 January 2013; doi:10.3844/ajassp.2012.2028.2045

Recent advances in mobile computing and multimedia applications demand high-performance and low-power VLSI Digital Signal Processing (DSP) systems. One of the most widely used operations in DSP is Fin...

An Efficient Fault Tolerant Scheduling Approach for Computational Grid

P. Keerthika — 2013-01-05

American Journal of Applied Sciences, Published online: 5 January 2013; doi:10.3844/ajassp.2012.2046.2051

Grid computing serves as an important technology to facilitate distributed computation computational grids solve large scale scientific problems using heterogeneous geographically distributed resource...

Measuring Power Consumption for Image Processing on Android Smartphone

Khairul Muzzammil Saipullah — 2013-01-17

American Journal of Applied Sciences, Published online: 17 January 2013; doi:10.3844/ajassp.2012.2052.2057

The energy consumption of smartphones can be undertaken in multiple levels of hardware and software. Generally, there are two approaches in measuring power consumption of a smartphone application whic...