Reliance on Ground Coordinate Measurements Produced by DGPS Post-Processing
Reliance on Ground Coordinate Measurements Produced by DGPS Post-Processing

Abdul Razzak. T. Ziboon; Lubna AL-Shammari

Volume 30, Issue 5 , March 2012, Page 697-709

https://doi.org/10.30684/etj.30.5.1

Abstract
  Some users of the GPS take the coordinates and the distances between points as they are in the field and try to joint work with the total station, but they found a difference between ...  Read More ...
Real-time Partial Encryption of Oigital Video using Symmetric Dynamic Dual Keys Algorithm (SDD)
Real-time Partial Encryption of Oigital Video using Symmetric Dynamic Dual Keys Algorithm (SDD)

Basima Z.Yaco; AbdulMonem S. Rahma

Volume 30, Issue 5 , March 2012, Page 710-728

https://doi.org/10.30684/etj.30.5.2

Abstract
  In recent years, as digital video technologies have been broadly used in TV,communication and multimedia. Security and privacy issues of the transmitted data have become an important ...  Read More ...
Linear Damage Rule Life Prediction for Stress Controlled Fatigue-Creep Interaction of Aluminum Alloys
Linear Damage Rule Life Prediction for Stress Controlled Fatigue-Creep Interaction of Aluminum Alloys

Salah F. Abd-El-Jabbar; Shakir Sakran Hassan; Hussain J. Al-Alkawi

Volume 30, Issue 5 , March 2012, Page 729-743

https://doi.org/10.30684/etj.30.5.3

Abstract
  The fatigue-creep interaction performance of 5086 and 6061-T651 aluminum alloys were investigated for specimens tested under control stress rotating bending at a stress ratio R=-1 and ...  Read More ...
Performance Evaluation of Spatial Multiplexing MIMO Systems with Various Detection Schemes
Performance Evaluation of Spatial Multiplexing MIMO Systems with Various Detection Schemes

Mahmood. Farhan Mosleh

Volume 30, Issue 5 , March 2012, Page 744-754

https://doi.org/10.30684/etj.30.5.4

Abstract
  Spatial Multiplexing (SM) over multiple-input multiple output (MIMO) channels significantly improves the data rates over wireless channels. The challenge is to design low complexity ...  Read More ...
Biomechanical Analysis of Human Stair Climbing (Ascending and Descending)
Biomechanical Analysis of Human Stair Climbing (Ascending and Descending)

Sadiq Jafer Abbass

Volume 30, Issue 5 , March 2012, Page 755-774

https://doi.org/10.30684/etj.30.5.5

Abstract
  Because stair climbing is a common activity of daily living, the ability to do it efficiently is important to an individual's quality of life. More demanding than level walking, stair ...  Read More ...
Study the Effect of Anisotropy on the Magnitude of Fracture Zone of Sheared Edge from the Sheet Metal
Study the Effect of Anisotropy on the Magnitude of Fracture Zone of Sheared Edge from the Sheet Metal

Abdullah H. Singal

Volume 30, Issue 5 , March 2012, Page 775-784

https://doi.org/10.30684/etj.30.5.6

Abstract
  The quality of product is related to the shape of blanked edge. The blanking process is referring to a shearing or punching process. In this work an experimental investigation to the ...  Read More ...
Personal Text Summarization in Mobile Device
Personal Text Summarization in Mobile Device

Alaa Kadhim

Volume 30, Issue 5 , March 2012, Page 785-794

https://doi.org/10.30684/etj.30.5.7

Abstract
  This paper presents a hybrid text summarization for mobile device to summarize a selected text. The system can be proceeds by statistic or heuristic methods. With the statistic and ...  Read More ...
Performance Analysis of Framelet Based OFDM System Under Different Channel Conditions
Performance Analysis of Framelet Based OFDM System Under Different Channel Conditions

Atheer A. Sabri; Ziad Q. Abdulkareem

Volume 30, Issue 5 , March 2012, Page 795-810

https://doi.org/10.30684/etj.30.5.8

Abstract
  In this paper, the Framelet Transform (FT) is proposed as a new modulation technique in the realization of Orthogonal Frequency Division Multiplexing (OFDM). Framelet Transform (FT) ...  Read More ...
The Performance Enhancement Study of FIR Filters Based on Adjustable Window Function
The Performance Enhancement Study of FIR Filters Based on Adjustable Window Function

Najat Sh.Jasim Mohammed

Volume 30, Issue 5 , March 2012, Page 811-831

https://doi.org/10.30684/etj.30.5.9

Abstract
  The aims of this study are enhancement the performance of low pass FIR (Finite Impulse Response) Filters by using adjustable window design method, and reduce the amplitude of side lobes ...  Read More ...
Stability and Convergence of Explicit Difference Method for Solving the 3-Dimensional Two-Sided Fractional Diffusion Equation
Stability and Convergence of Explicit Difference Method for Solving the 3-Dimensional Two-Sided Fractional Diffusion Equation

Iman Isho Gorial

Volume 30, Issue 5 , March 2012, Page 832-848

https://doi.org/10.30684/etj.30.5.10

Abstract
  In this paper, a numerical solution of the 3-dimensional two-sided fractional diffusion equation has been presented. The algorithm for the numerical solution for this equation is based ...  Read More ...
Enhancement of Porous Silicon Formation by Using Ultrasonic Vibrations
Enhancement of Porous Silicon Formation by Using Ultrasonic Vibrations

Ali H. Al-Hamdani

Volume 30, Issue 5 , March 2012, Page 849-854

https://doi.org/10.30684/etj.30.5.11

Abstract
  Anodic electrochemical etching enhanced by ultrasonically is developed to fabricate luminescent porous silicon (PS) material. The samples prepared by the new etching method exhibit ...  Read More ...
Structural, Chemical and Morphological of Porous Silicon Produced by Electrochemical Etching
Structural, Chemical and Morphological of Porous Silicon Produced by Electrochemical Etching

Amna A. Salman; Fatima I. Sultan; Uday M. Nayef

Volume 30, Issue 5 , March 2012, Page 855-867

https://doi.org/10.30684/etj.30.5.12

Abstract
  In this paper, the nanocrystalline porous silicon (PS) films is prepared by electrochemical etching of p-type silicon wafer with different currents density (15 and 30 mA/cm2) and etching ...  Read More ...
A Model for The Prediction of Fracture Toughness Using Neural Network
A Model for The Prediction of Fracture Toughness Using Neural Network

Aseel abdulbaky; Dhafer Al-Fattal; Harry Bhadeshia; Talal Abdul Jabbar

Volume 30, Issue 5 , March 2012, Page 868-885

https://doi.org/10.30684/etj.30.5.13

Abstract
  The purpose of this research programme is to develop quantitative models for the prediction of mechanical properties (fracture toughness) using experimental data collected from the ...  Read More ...
The Effect of Annealing on the Physical Properties of Thermally Evaporated Cadmium Sulphide Thin Films
The Effect of Annealing on the Physical Properties of Thermally Evaporated Cadmium Sulphide Thin Films

Shatha Shammon Batros

Volume 30, Issue 5 , March 2012, Page 886-896

https://doi.org/10.30684/etj.30.5.14

Abstract
  Pure CdS thin films with different condition have been successfully deposited by thermal evaporation in vacuum on glass slide substrates. The substrates temperature of about 100oC and ...  Read More ...
Reduction Reactive Power and Collapse Voltage Using Series Capacitors Compensation in Sudden Change Loads of Transmission Lines
Reduction Reactive Power and Collapse Voltage Using Series Capacitors Compensation in Sudden Change Loads of Transmission Lines

Hussein Thani Rishag

Volume 30, Issue 5 , March 2012, Page 897-919

https://doi.org/10.30684/etj.30.5.15

Abstract
  The continuous increase of disturbances on the interconnected electric power system resulting in its inability to reliably meet demands. This paper presents an application of a series ...  Read More ...