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Browsing DIU Journal of Science and Technology by Issue Date

Browsing DIU Journal of Science and Technology by Issue Date

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  • 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 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • OPTIMIZATION OF THE BIOEQUIVALENCE STUDY OF ESOMEPRAZOLE CAPSULE CONTENTS AFTER IN VITRO SUSPENSION IN SOFT FOODS USING HPLC 
    Alauddin, M.; Hossain, K. M. Z; Rahman, M. A.; Kabir, A. S. M. H; Khan, I. H (Daffodil International University, 2009)
    A bioequivalence study for the selection of the alternative and feasible mode of administration of esomeprazole pellets suspended in some common soft liquid foods has been done. 20 mg of four different brands ...
  • 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 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 ...
  • EFFECT OF REINFORCEMENT ON STRENGTH BEHAVIOR OF HANDMADE JUTE PAPER 
    Hossain, H. M. Zakir (Daffodil International University, 2009-01-01)
    To produce high strength handmade paper, handmade was reinforced by jute fibre along with/without internal additives (rosin, wax etc.), external additive such as Microcrystalline Cellulose(MCC) suspension. Optimum ...
  • USES OF NATURAL FRUIT (DIOSPYROS EMBRYPTERIS PERS) AS A ROT-PROOFING AGENT 
    Jafrin, Shamina; Dilruba, F. A.; Uddin, Md. Kamal; Gomes, Isidore; Islam, Md. Emdadul (Daffodil International University, 2009-01-01)
    Two different types of hessian fabrics (sized and desized) were treated with unripe natural fruit juice ( Botanical Name: Diospyros embrypteris Pers) and copper sulphate solution. The physico-chemical properties of the ...
  • 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 ...
  • 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 ...
  • ANTIFUNGAL ACTIVITY OF MIXED LIGAND TRANSITION METAL COMPLEXES OF SOME DIBASIC ACID AND HETEROCYCLIC BASES 
    Hossain, Md. Belayet; Islam, M. Saidul; Hassan, Md. Nazmul; Yousuf, M.A.; Salam, M. Abdus (Daffodil International University, 2009-01-01)
    Mixed ligand transition metal complexes of Cu (II), Co (III), Rh (III) and Pt (IV) ions with dibasic acids viz., diphenic acid and adipic acid as primary ligands and amine bases as secondary ligands have been synthesized. ...
  • STUDY ON THE EFFECT OF SIZE MATERIAL ON JUTE-COTTON UNION FABRIC 
    Jafrin, Shamina; Azad, Md. Abul Kalam (Daffodil International University, 2009-01-01)
    A study was performed on the jute- cotton union fabric to show the effect of sizing on the properties of union fabric. Here, the cotton yarn was used in the warp direction and jute yarn was used in the weft direction. ...
  • IDENTIFICATION AND IMPACT ANALYSIS OF INVASIVE SPECIES: A CASE STUDY IN THE MONGLA SEA PORT AREA OF BAGERHAT DISTRICT OF BANGLADESH 
    Amin, Md. Nurul; Ali, Mohd. Yousuf; Salequzzaman, Md. (Daffodil International University, 2009-01-01)
    Manipulation through invasion is a major problem in most of the port areas in recent world. Mongla is an important sea port that has accomplished the activities like import and export of various goods inside and outside ...

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