DIU Journal of Science and Technology: Recent submissions

  • A NEW APPROACH FOR DISPARITY MAP DETERMINATION 
    Chowdhury, M. Mozammel Hoque; Bhuiyan, Md. Al-Amin (Daffodil International University, 2009-01-01)
    This article presents a new method to determine disparity map useful for three-dimensional (3D) scene reconstruction. The main task behind the computation of disparity map is stereo correspondence matching. In recent ...
  • AN ALGORITHM FOR SOLVING MINIMUM EDGE-RANKING SPANNING TREE PROBLEM ON PARTIAL K-TREES 
    Sultana, Razia (Daffodil International University, 2009-01-01)
    An edge-ranking of a graph G is a labeling of its edges with positive integers such that every path between two edges with the same label i contains an intermediate edge with label j>i. The minimum edge-ranking spanning ...
  • A COMPUTATIONAL METHOD FOR FUZZY ARITHMETIC OPERATIONS 
    Akther, Thowhida; Ahmad, Sanwar Uddin (Daffodil International University, 2009-01-01)
    In this paper, a computer implementation to evaluate the arithmetic operations on two fuzzy numbers with linear membership functions has been developed. The fuzzy arithmetic approached by the interval arithmetic is ...
  • A COMPARATIVE STUDY OF THE METHODS OF SOLVING NON-LINEAR PROGRAMMING PROBLEM 
    Das, Bimal Chandra (Daffodil International University, 2009-01-01)
    The work present in this paper is based on a comparative study of the methods of solving Non-linear programming (NLP) problem. We know that Kuhn-Tucker condition method is an efficient method of solving Non-linear programming ...
  • ACCELERATION OF VORTEX METHODS CALCULATION USING MDGRAPE-2 AND MDGRAPE-3: A COMPARATIVE STUDY 
    Sheel, Tarun Kumar (Daffodil International University, 2009-01-01)
    The calculation of vortex method has been accelerated by using special-purpose computers, MDGRAPE-2 and MDGRAPE-3, respectively. The similar algorithm has been implemented and the improvement in speed of MDGRAPE-2 was ...
  • ROT-PROOFING OF JUTE FABRICS BY USING COPPER AMMONIUM CARBONATE SOLUTION 
    Jafrin, Shamina; Uddin, Md. Kamal; Dilruba, F. A; Sultana, Dilruba, Nayer; Hossain, H.M. Zakir (Daffodil International University, 2008-07-01)
    Jute hessian fabrics were treated with copper ammonium carbonate solution to increase its longevity. Two types of Hessians (sized and desized) were treated with various concentration of copper ammonium carbonate solution. ...
  • FIBER OPTIC COMMUNICATION LINK DESIGN 
    Rana, Md. Masud; Islam, Md. Saiful (Daffodil International University, 2008-07-01)
    In all-optical networks, traffic is carried end-to-end in the optical domain, without any intermediate optical-electrical-optical conversion. The promise of such networks is the elimination of a significant amount of ...
  • EFFECTS OF SUBSTRATE SURFACE FINISH ON TRI- BOLOGICAL PERFORMANCE AND SURFACE TOPOGRA- PHY OF THERMALLY SPRAYED WC CERMET COATING 
    Nuruzzaman, D. M.; Nakajima, A; Mawatari, T (Daffodil International University, 2008-07-01)
    In this study, tribological characteristics and surface topographies of thermally sprayed WC-Cr-Ni cermet coating were investigated experimentally under lubricated rolling with sliding contact conditions. Hi-HVOF sprayed ...
  • COMPACT DUAL-BAND DUAL-POLARIZED MICROSTRIP PATCH ANTENNA FOR SYNTHETIC APERTURE RADAR 
    Islam, Md. Fokhrul; Ali, M. A. Mohd; Majlis, B. Yeop; Misran, N (Daffodil International University, 2008-07-01)
    There is an increasing demand for newer microwave and millimeter-wave systems to meet the emerging telecommunication challenges with respect to size, performance and cost. Microstrip antennas offer the advantages of thin ...
  • AN EMBEDDED NETWORK-ENGINE 
    Amiruzzaman, Md. (Daffodil International University, 2008-07-01)
    A new technique of an embedded network-engine which is working on IEEE 802.11 and 802.16e WLAN environment for Video on Demand (VoD) is presented in this paper. The proposed the network-engine with the capability of ...
  • AN EFFICIENT CHANNEL EQUALIZATION TECHNIQUE WITH A LEAKY FLMS ALGORITHM 
    Chandra, G. Bhanu; Mitra, Abhijit (Daffodil International University, 2008-07-01)
    We propose a modified version of frequency domain least mean square algorithm, or, fast least mean square (FLMS) algorithm that achieves better convergence in frequency domain with a marginal increment in implementation ...
  • POWER ALLOCATION WITH AND WITHOUT SOFT HANDOVER ON THE DOWNLINK INTERFERENCE OF WCDMA NETWORK 
    Rana, Md. Masud; Rahman, Md. Mostafizur; Nyeem, Hussein Md. Abu; Alam, Sk. Shariful (Daffodil International University, 2008-01-01)
    Power control is one of the technologies used to utilize the radio resources as efficient as possible in WCDMA network. The transmission power is adjusted to transmit with the lowest power level possible while the required ...
  • NATURAL CONVECTION IN SQUARE ENCLOSURE WITH ADIABATIC CYLINDER AT CENTER AND DISCRETE BOTTOM HEATING 
    Saha, Sumon; Saha, Goutam; Islam, Md. Quamrul (Daffodil International University, 2008-01-01)
    Natural convection in two-dimensional square enclosure containing adiabatic cylinder at the center has been studied numerically using finite element method. In the present study, top wall is considered adiabatic, two ...
  • ANALYSIS OF SHORTEST PATH PACKET TRACING OF ROUTERS 
    Haque, A.K.M Fazlul; Roksana, Mahdi (Daffodil International University, 2008-01-01)
    In this paper, the shortest path in a packet switched network has been analyzed. A router receives a packet from a network and passes it to another network calculating the shortest path. However, the packets of a network ...
  • A FAST ADAPTIVE ECHO CANCELLATION TECHNIQUE WITH A LEAKY PROPORTIONATE NLMS ALGORITHM 
    Mitra, Abhijit (Daffodil International University, 2008-01-01)
    A modified version of proportionate normalized least mean square (PNLMS) algorithm that achieves faster convergence in time domain with a marginal increment in implementation complexity than the existing one is proposed. ...
  • A DYNAMIC LOAD BALANCING APPROACH FOR SOLUTION ADAPTIVE FINITE ELEMENT GRAPH APPLICATIONS ON DISTRIBUTED SYSTEMS 
    Islam, Maheen; Kabir, Upama (Daffodil International University, 2008-01-01)
    Load balancing is the key to the efficient operation of distributed systems. To efficiently utilize computing resources provided by distributed systems, an underlying Dynamic load balancing (DLB) scheme must address both ...
  • A BOTTOM-UP MERGESORT ELIMINATING RECURSION 
    Wadud, M. Abdullah-Al; Amiruzzaman, Md; Chae, Oksam (Daffodil International University, 2008-01-01)
    In this paper an improved mergesort technique is proposed by us. The recursive calls are removed by using a bottom-up strategy to select two lists to merge. Some earlier improvements on the merge procedure, which are done ...
  • USES OF COIR FIBRE, ITS PRODUCTS & IMPLEMENTATION OF GEO-COIR IN BANGLADESH 
    Khan, Belas Ahmed (Daffodil International University, 2007-07-01)
    Coir fibre is obtained from husk of coconut & composed of highly lignified form of cellulose. [1] All coir fibre falls into two distinctly different categories viz. white coir and brown coir the differences between ...
  • PERFORMANCE ANALYSIS OF STRUCTURED CABLING WITH ROUTER 
    Haque, A.K.M Fazlul; Shamsuddoha, Nur Md; Rahman, S.M. Mostafizur (Daffodil International University, 2007-07-01)
    This paper presents the proposed architecture of structured cabling. We introduced this structured cabling system for the purpose of using it in different locations. We focused on the advantages of using structured cabling ...
  • IMPACT IONIZATION DEPENDENCE OF HOLE TRAPPING PHENOMENA IN HEMTS 
    Zaman, Saif; Parker, Anthony (Daffodil International University, 2007-07-01)
    Impact ionization effects on hole trapping phenomena In high electron mobility transistor (HEMT) is investigated. For the purpose, measurement and a trap model simulation was done for two test devices. Measured and ...

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