DIU Journal of Science and Technology: Recent submissions

  • 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 ...
  • EFFECTIVENESS OF RECYCLED WASTE GLASS AS A CONTAMINATED TIDAL MUD IMPROVEMENT MATERIAL 
    Moqsud, M. Azizul; Hayashi, Shigenori (Daffodil International University, 2007-07-01)
    The Ariake Sea having a unique feature is one of the best-known semi-closed shallow seas in Japan. The total area of this sea is 1700 km2 with an extended 96 km of the bay axis and an average width of 18 km. The vast tidal ...
  • DISCRETIZATION OF CONTINUOUS ATTRIBUTES USING GENETIC AND ENTROPY BASED CONCEPT LEARNER 
    Ahmmed, Suman; Ahmmed, Shamim; Rahman, Chowdhury Mofizur (Daffodil International University, 2007-07-01)
    Genetic Algorithm (GA) based concept learner is widely used in supervised learning system for attribute based spaces. The conventional GA based operators can not directly deal with continuous attributes. We have used two ...
  • DESIGN OF DIRECT DIGITALLY SYNTHESIZED ARBITRARY WAVEFORM GENERATOR USING FIXED-POINT DIGITAL SIGNAL PROCESSOR 
    Prasad, S. S; Sanyal, S. K (Daffodil International University, 2007-07-01)
    This paper describes a prototype design to demonstrate the design of arbitrary waveform generator based on Direct Digital Synthesis (DDS) technique implemented on Digital Signal Processor. The key idea is the utilization ...
  • AUTOMATIC DETECTION AND TRANSLATION OF BENGALI TEXT ON ROAD SIGN FOR VISUALLY IMPAIRED 
    Haque, S. M. Anamul; Arbi, Shahida; Tamanna, Tabassum; Itu, Sadia Mahsina (Daffodil International University, 2007-07-01)
    Large amount of information are embedded in natural scenes. Signs are good example of natural objects with high information content. Visually impaired individuals are unable to utilize the significant amount of information ...
  • ADVANCEMENT OF BASE CASE TO THE RECURSION: A WAY TO IMPROVE THE RUNNING TIME OF THE TRADITIONAL MERGE SORT ALGORITHM 
    Talukder, Ashis; Mamun, Shamim Al; Alam, Abu Md. Zafor (Daffodil International University, 2007-07-01)
    Merge sort is one of the best examples of divide and conquer technique. Divide and conquer is inherently recursive by nature. So if the number of recursive calls can be decreased, the complexity of any recursive algorithm ...
  • EFFECT OF SUBSTRATE TEMPERATURE ON THE PROPERTIES OF VACUUM EVAPORATED THIN InSb FILMS 
    Taher, Md. Abu (Daffodil International University, 2007-01-01)
    Indium Antimonide (InSb) thin films were deposited onto well cleaned glass substrate at different substrate temperatures (323K, 373K and 473K) by vacuum evaporation technique using InSb compound as a source material. The ...
  • ASSESSMENT OF THERMAL PROPERTIES OF MUD OF THE ARIAKE SEA, JAPAN 
    Moqsud, M. Azizul; Hayashi, Shigenori; Du, Yan Jun; Suetsugu, Daisuke (Daffodil International University, 2007-02-01)
    Thermal environment of the mud is one of the major parts of the acid-contaminated geo-environment of the Ariake Sea. The activities of marine ecosystem both in tidal flats and inside the deep sea mud depend strongly ...
  • MULTILAYER PROTECTION AND SURVIVABILITY IN WDM OPTICAL NETWORK 
    Kibria, Refat; Chowdhury, Md. Aminul Haque; Razib, Md. Ali Ahsan (Daffodil International University, 2007-01-01)
    Optical networks require a number of security and survivability methods as any other network does. These methods are more important for a WDM network since it carries far greater amount of data than any other network. In ...

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