Punjab, Pakistan
Punjab, Pakistan

HITEC University, Taxila, more commonly known as HITEC University, is a private sector university located in Taxila, Punjab, Pakistan. Taxila, a historic seat of learning and an important archeological site, is about 30 km north-west of Islamabad and Rawalpindi.HITEC University commenced classes in November 2007 with an intake of 250 students, in affiliation with University of Engineering and Technology, Taxila. The university was granted its own charter in November 2009 by the government of Punjab. The university is sponsored by the Heavy Industries Taxila Education Welfare Trust . Wikipedia.

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Yildirim A.,Ege University | Mohyud-Din S.T.,HITEC University | Zhang D.H.,University of South China
Computers and Mathematics with Applications | Year: 2010

In this study, we propose an analytical solution to the Klein-Gordon equation in a pulsed stationary regime. The performed protocols are based on the modified variational iteration method MVIM and Boubaker polynomials expansion scheme BPES. The results are presented, and compared with some solutions proposed later in order to confirm the good accuracy of the protocols used. © 2009 Elsevier Ltd. All rights reserved.

Shabir M.,Quaid-i-Azam University | Jun Y.B.,Gyeongsang National University | Nawaz Y.,HITEC University
Computers and Mathematics with Applications | Year: 2010

Using the ideas of belonging and quasi-coincidence of a fuzzy point with a fuzzy set, the concepts of (α, β)-fuzzy ideals and (α, β)-fuzzy generalized bi-ideals, which are generalization of fuzzy ideals and fuzzy generalized bi-ideals, in a semigroup are introduced, and related properties are investigated. We also define the lower and upper parts of fuzzy subsets of a semigroup. Characterizations of regular semigroups by the properties of the lower part of (∈, ∈ ∨ q)-fuzzy left ideals, (∈, ∈ ∨ q)-fuzzy quasi-ideals and (∈, ∈ ∨ q)-fuzzy generalized bi-ideals are given. © 2009 Elsevier Ltd. All rights reserved.

Alam M.N.,Bangladesh University | Akbar M.A.,University of Rajshahi | Mohyud-Din S.T.,HITEC University
Chinese Physics B | Year: 2014

In this article, a novel (G′/G)-expansion method is proposed to search for the traveling wave solutions of nonlinear evolution equations. We construct abundant traveling wave solutions involving parameters to the Boussinesq equation by means of the suggested method. The performance of the method is reliable and useful, and gives more general exact solutions than the existing methods. The new (G′/G)-expansion method provides not only more general forms of solutions but also cuspon, peakon, soliton, and periodic waves. © 2014 Chinese Physical Society and IOP Publishing Ltd.

Mohyud-Din S.T.,HITEC University
Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences | Year: 2010

This paper outlines the conversion of partial differential equations (PDEs) into the corresponding ordinary differential equations (ODEs) by a complex transformation which is widely used in the exp-function method. The proposed homotopy perturbation method (HPM) is employed to solve the travelling wave solutions. Several examples are given to reveal the reliability and efficiency of the algorithm. © 2010 Verlag der Zeitschrift für Naturforschung, Tübingen.

Yildirim A.,Ege University | Mohyud-Din S.T.,HITEC University
Chinese Physics Letters | Year: 2010

A scheme is developed to study numerical solution of the space- and time-fractional Burgers equations under initial conditions by the homotopy analysis method. The fractional derivatives are considered in the Caputo sense. The solutions are given in the form of series with easily computable terms. Numerical solutions are calculated for the fractional Burgers equation to show the nature of solution as the fractional derivative parameter is changed. © 2010 Chinese Physical Society and IOP Publishing Ltd.

Mohyud-Din S.T.,HITEC University
Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences | Year: 2010

In this paper, we apply the modified variational iteration method (mVIM) for solving integrodifferential equations and coupled systems of integro-differential equations. The proposed modification is made by the elegant coupling of He's polynomials and the correction functional of variational iteration method. The proposed mVIM is applied without any discretization, transformation or restrictive assumptions and is free from round off errors and calculation of the so-called Adomian's polynomials. © 2010 Verlag der Zeitschrift für Naturforschung, Tübingen.

Hameed M.S.,COMSATS Institute of Information Technology | Afaq S.K.,HITEC University
Ocean Engineering | Year: 2013

Wind as a source of energy is being used from very long time. It has gained more significance in the current age of energy crisis. Lots of efforts have been made to develop the horizontal axis wind turbines but vertical axis wind turbines did not get much attention over the past couple of decades. Blade is the most important component of a wind turbine which controls the performance of a wind turbine and design of other components attached to it. A concept for the design of a straight symmetrical blade for a small scale vertical axis wind turbine using beam theories for analytical modeling and a commercial software ANSYS 11.0 for numerical modeling is presented in current research. Design parameters of the blade like solidity, aspect ratio, pressure coefficient etc are determined aiming the 1 kW power output and the blade design was analyzed at extreme wind conditions where maximum values of deflection and bending stresses were determined at peak values of aerodynamic and centrifugal forces. The design was optimized to attain the structural strength i.e. reduction in deflections and bending stresses. This blade design has high strength and lower material consumption to achieve the low cost of complete rotor assembly of the wind turbine which actually covers more than 50% of the overall wind turbine cost. © 2012 Elsevier Ltd.

Hussain A.,HITEC University
JVC/Journal of Vibration and Control | Year: 2016

Satellite communication systems are now designed according to an outdated Shannon information theory where all data is transmitted in meaningless bit streams. In this article, a novel noise free digital image communication via satellite has been developed. The proposed scheme is based on fractional compression and a new block cipher cryptosystem based on S8 substitution boxes transformation. The fractal compression technique is selected to compress the aerial images due to its high compression capability. The fractal image compression of the input aerial image is the first stage in the encoding phase. The fractal compression technique divides the original image into two different block sizes called range and domain blocks. The best match between the range and domain blocks is known as the transformation mapping. All the transformation mappings are recorded as the output-compressed file of the input aerial image. © 2014 The Author(s).

Anees A.,National University of Sciences and Technology | Siddiqui A.M.,National University of Sciences and Technology | Ahmed J.,HITEC University | Hussain I.,National University of Computer and Emerging Sciences
Nonlinear Dynamics | Year: 2014

Chaos has been applied extensively in secure communication over the last decade, but most of the chaotic security protocols defined, are cryptographically weak or slow to compute. Also, study of chaotic phenomena as application in security area is not discussed in detail. In this paper, we have intensely studied chaos, their influence in secure communications and proposed a steganography technique in spatial domain for digital images based upon chaotic maps. By applying chaos effectively in secure communication, the strength of the overall anticipated algorithm has been increased to a significant level. In addition, few security statistical analyses such as correlation, entropy, energy, contrast, homogeneity, peak signal to noise ratio, and mean square error have also been carried out and shown that it can survive against various differential attacks such as the known message attack, known cover attack, known stego attack, and stego only attack. © 2013 Springer Science+Business Media Dordrecht.

Gondal M.A.,NU FAST | Anees A.,HITEC University
Neural Computing and Applications | Year: 2013

By the exponential increase in cellular communication area, the user demands and with their side problems also tend to increase. Several techniques such as cell splitting, frequency reuse, diversity and so on have already been applied to overcome these problems. In all these procedures, smart antenna is one of the best techniques used to boost capacities, enlarge bandwidth, raise the SIR ratios, minimize the effects of fading and improve MIMO communications. An ordinary antenna array which can turn up into a smart antenna array is due to the signal processing algorithms, which consists of angle of arrival (AOA) estimations and Beamforming. In this paper, I will discuss and analyse about the MUSIC algorithm for AOA estimation and least mean squares algorithm for Beamforming. © 2012 Springer-Verlag London Limited.

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