Now showing items 85-104 of 281

    • Enhanced performance of SAC-OCDMA system based on SPD detection utilizing EDFA for access networks 

      Sarah G., Abdulqader; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hamza Mohammed Ridha, Al-Khafaji; Hilal Adnan, Fadhil, Dr. (Engineering and Technology Publishing, 2014-02)
      In this paper, we present the impact of an EDFA (Erbium Doped Fibre Amplifier) for high data rate in Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) networks. A Single photodiode (SPD) detection ...
    • Enhancement of algorithm and investigation of heat transfer through fins 

      Moslemuddin, Fakir, Dr.; Sabira, Khatun, Prof. Dr.; Shahnor, Basri, Prof. Ir. Dr. (Praise Worthy Prize S.r.l., 2013-09)
      Finite Element Method (FEM) and Differential Quadrature Method (DQM) are two very important numerical solution techniques to solve engineering and physical science problems. Usually elements are sub-divided uniformly in ...
    • Enhancement of performance of a hybrid SAC–OCDMA system using dynamic cyclic shift code 

      Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlisyah, Ahmad, Prof. Madya Dr.; Juwita, Mohd Nordin (Institute of Physical Optics, 2012)
      A hybrid subcarrier multiplexing (SCM) technique incorporating spectral amplitude coding and optical code division multiple access (SAC-OCDMA) technologies is investigated using both numerical and simulation methods. The ...
    • Equation-based construction technique for the OSCDMA zero cross correlation code for the basic matrix 

      Babekir, E.I.; Saad, N.M.; Elfadel, N.; Mohammed, A.; Aziz, A.A.; Anuar, Mat Safar; Syed Alwee Aljunid, Syed Junid; Mohamad Khazani, Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2007-05)
      In this paper the Double Weight code (DW) family which is used as a proposed code in optical spectral code division multiple access system (OSCDMA) has been studied using the Modified Double Weight code (MDW) which has ...
    • Evaluation of transformer magnetizing core loss 

      Ahmed, M.A.H.; Soib, Taib; Ismail, Daut; Uthman, S. (Asian Network for Scientific Information, 2006)
      Loss in transformer core is the electrical power lost in terms of heat within the core of transformer, when core is subjected to AC magnetizing force. It is composed of several types of losses such as Hysterics loss, eddy ...
    • Experimental determination of the performance of rice husk-carbon nanotube composites for absorbing microwave signals in the frequency range of 12.4-18 GHz 

      Lee, Yeng Seng; Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr.; Liu, Wei Wen, Dr.; Kok, Yeow You; Muhammad Nadeem, Iqbal; Wee, Fwen Hoon, Dr.; Khor, Shing Fhan, Dr.; Liyana, Zahid; Mohd Fariz, Haji Abd Malek (EMW Publishing, 2013)
      Composites of rice husks and carbon nanotubes (RHC-NTs) are an innovation in improving the absorption of microwave signals. Rice husks, which are an agricultural waste material, have been found to possess a significant ...
    • The experimental results of a low power X- band free electron maser by electron prebunching 

      Fareq, Malek; Lucas, James; Huang, Yi (EMW Publishing, 2010)
      We have developed a proof-of-concept low power free electron maser that is compact and low cost. The design, set-up and results of a novel (without wiggler) low power X-band rectangular waveguide pre-bunched free electron ...
    • Exploiting chrominance planes similarity on listless quadtree coders 

      Ruzelita, Ngadiran, Dr.; Boussakta, Said; Bouridane, Ahmed; Khelifi, Fouad (The Institution of Engineering and Technology, 2013)
      This study proposes an efficient algorithm for colour image compression with listless implementation based on set partition block embedded coding (SPECK). The objective of this work is to develop an algorithm that exploits ...
    • A fabrication of intelligent spiral reconfigurable beam forming antenna for 2.35 2.39GHz applications and path loss measurements 

      Muzammil, Jusoh, Dr.; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Sabapathy, Thennarasan; Mohd Ilman, Jais; Mohd A., Jamlos (EMW Publishing, 2013)
      A reconfigurable beam forming antenna prototype using a spiral feed line is proposed in this paper. The presented antenna is integrated with PIN diode switches at a specific location of spiral feed line. It is discovered ...
    • Face recognition using eigenfaces and neural networks 

      Mohamed Rizon; Muhammad Firdaus, Hashim; Puteh, Saad; Sazali, Yaacob, Prof. Dr.; Mohd Rozailan, Mamat; Ali Yeon, Md Shakaff, Prof. Dr.; Abdul Rahman, Saad; Hazri, Desa, Dr.; Karthigayan, M. (Science Publications, 2006)
      In this study, we develop a computational model to identify the face of an unknown person’s by applying eigenfaces. The eigenfaces has been applied to extract the basic face of the human face images. The eigenfaces is ...
    • A flexible and reliable architecture for mobile agent security 

      Ghossoon, Mohammed Waleed Al-Saadoon (Science Publications, 2009)
      Problem statement: Wireless application protocol is a protocol that makes it possible to surf the Internet from a cellular phone or other handheld wireless. Many of us that surf the Internet from home with a 56 kbps modem ...
    • FPGA based control IC for multilevel inverter 

      Muhammad Imran, Ahmad; Zulkifli, Husin; R. Badlishah, Ahmad; Hasliza, A. Rahim; Mohamad Suhaizal, Abu Hassan; Mohd Nazrin, Md Isa (Institute of Eelectrical and Electronics Engineering (IEEE), 2008-05-13)
      Multilevel inverter is used in applications that need high voltage and high current. The topologies of multilevel inverter have several advantages such as lower THD, lower EMI generation, better output waveform and higher ...
    • FPGA implementation for GMM-based speaker identification 

      EhKan, Phaklen; Allen, Timothy; Quigley, Steven F. (Hindawi Publishing Corporation, 2011)
      In today's society, highly accurate personal identification systems are required. Passwords or pin numbers can be forgotten or forged and are no longer considered to offer a high level of security. The use of biological ...
    • Frequency and pattern reconfigurable dipole-Yagi antenna 

      Ezla Najwa, Ahyat; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Tharek, Abd. Rahman, Prof. Dr.; Mohd Faizal, Jamlos, Dr.; Mohamad Rijal, Hamid, Dr.; Mohd. Haizal, Jamaluddin, Dr.; Nur Hidayah, Ramli (Wiley Periodicals, Inc., 2013-02)
      A novel dipole-Yagi antenna is presented with pattern and frequency reconfigurable capability. The novel structure is based from Yagi-Uda antenna, consist of dipole as a main radiator and four parasitic metal strips. The ...
    • Gait disorder rehabilitation using vision and non-vision based sensors: A systematic review 

      Asraf, Ali; Sundaraj, Kenneth, Prof. Madya Dr.; R. Badlishah, Ahmad, Prof. Dr.; Nizam, Ahamed; Anamul, Islam (Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina, 2012-08)
      Even though the amount of rehabilitation guidelines has never been greater, uncertainty continues to arise regarding the efficiency and effectiveness of the rehabilitation of gait disorders. This question has been hindered ...
    • Gait disorder rehabilitation using vision and non-vision based sensors: a systematic review 

      Asraf, Ali; Kenneth, Sundaraj; R. Badlishah, Ahmad; Nizam, Ahamed; Anamul Islam (Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina, 2012)
      Even though the amount of rehabilitation guidelines has never been greater, uncertainty continues to arise regarding the efficiency and effectiveness of the rehabilitation of gait disorders. This question has been hindered ...
    • Gait feature extraction and recognition in biometric system 

      Syed Nafis, Syed Ngah Ismail; Muhammad Imran, Ahmad; Said Amiru, l Anwar; Mohd Nazrin, Md Isa; Ruzelita, Ngadiran (Universiti Teknikal Malaysia Melaka, 2016)
      This research focus on the development an automatic human identification system using gait sequence images. Human identification is widely used in computer vision applications such as surveillance system, criminal ...
    • Generalization performance analysis between fuzzy ARTMAP and Gaussian ARTMAP neural network 

      Shahrul Nizam, Yaakob; Puteh, Saad (Universiti Malaya, 2007)
      This paper examines the generalization characteristic of Gaussian ARTMAP (GAM) neural network in classification tasks. GAM performance for classification during training and testing is evaluated using the k-folds cross ...
    • Generation of a new hybrid subcarrier multiplexing-SAC-OCDMA system based on FSO 

      Hussein Saad, Mohammed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Thanaa Hussein, Abd.; Rashid Ali, Fayadh; Abdul Kram, Rahman (JATIT & LLS, 2013-12)
      This paper proposes hybrid Subcarrier Multiplying-Spectral Amplitude Coding-Optical Code Division Multiple Access system (SCM-SAC-OCDMA) based on the Free Space Optic (FSO) using Multi Diagonal (MD) code is. The proposed ...
    • A genetic algorithm approach to VLSI macro cell non-slicing floorplans using binary tree 

      Hasliza, A. Rahim@Samsuddin; Ab Rahman, A. A H; Andaljayalakshmi, G.; R. Badlishah, Ahmad; Wan Nur Suryani Firuz, Wan Ariffin (Institute of Electrical and Electronics Engineering (IEEE), 2008-05)
      This paper proposes an optimization approach for macro-cell placement which minimizes the chip area size. A binary tree method for non-slicing tree construction process is utilized for the placement and area optimization ...