Browsing Researchers by Title

Now showing items 299-318 of 3490

    • Channel spacing effect on SAC-OCDMA system based modified-AND subtraction detection scheme 

      Norazimah, Mat Zain; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hamza Mohammed Ridha, Al-Khafaji; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Trans Tech Publications, 2014)
      This paper focuses on the performance of different channel spacing with AND as well as modified-AND subtraction detection techniques emphasizing the spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) ...

    • Channels estimation in OFDM system on block-type and comb-type pilot arrangement 

      Mohd Suhaizal, Abu Hassan; Abid, Yahya, Dr.; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ...

    • A chaotic neural network based encryption algorithm for MPEG-2 encoded video signal 

      A. Tariq, A. Fadil; Shahrul Nizam, Yaakob; R. Badlishah, Ahmad, Prof. Madya Dr.; Abid, Yahya, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      In this paper, a cipher system based on Chaotic Neural Network (CNN) is used to encrypt and construct a stream cipher of compressed MPEG-2 video signal. The symmetric CNN cipher algorithm transforms the plaintext (compressed ...

    • Characterisation at the bonding zone between fly ash based geopolymer repair materials (GRM) and ordinary portland cement concrete (OPCC) 

      Warid Wazien, Ahmad Zailani; Mohd Mustafa Al Bakri, Abdullah; Mohd Fadzil, Arshad; Rafiza, Abd Razak; Muhammad Faheem, Mohd Tahir; Remy Rozainy, Mohd Arif Zainol; Nabiałek, Marcin; Sandu, Andrei Victor; Wysłocki, Jerzy J.; Błoch, Katarzyna (MDPI AG, 2020-12)
      In recent years, research and development of geopolymers has gained significant interest in the fields of repairs and restoration. This paper investigates the application of a geopolymer as a repair material by implementation ...

    • Characterisation, analysis and optical properties of nanostructure ZnO using the sol-gel method 

      Muhammad, Kashif; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Syed Muhammad Usman, Ali; Willander, Magnus, Prof (Institution of Engineering and Technology (IET), 2012-02)
      Nanostructure ZnO was grown on thin aluminium layer, deposited on silicon substrate using the sol-gel method. The surface morphologies of nanostructure ZnO at different precursor concentrations were studied using scanning ...

    • Characteristic and corrosion studies of rare earth (REE) based anodizing on AZ91D magnesium alloy 

      Khalid Azadi, Mat Akhir; Mohd Zamzuri, Mohammad Zain; Mohd Nazree, Derman, Dr.; Siti Norbahiyah, Mohamad Badari (Trans Tech Publications, 2014-01)
      Oxide coatings on AZ91D magnesium alloy were prepared using anodizing technique with 10mA/cm2 current density for 5 minutes in electrolyte containing Mg (NO₃)₂ with NaVO₃ as an additive. The corrosion behaviors of different ...

    • Characteristic and the efficiency of fuel cell investigation using hydro genius teach 

      Muzamir, Isa; Baharuddin, Ismail; Ismail, Daut; Mohd Fayzul, Mohammed (Universiti Teknologi MARA (UiTM), 2006)
      The aim of this paper is to deliver information about the features of fuel cells. Along with it, this paper gives details about activities of renewal energy. It covers analysis of theories and some experiments done using ...

    • Characteristic Curve of a Fuel Cell 

      Muzamir, Isa; Baharuddin, Ismail; Che Mat Hadzer; Ismail, Daut; Faizah, Abu Bakar (Science Publications, 2006)
      The aim of this study was to deliver information about the features of fuel cells. It cover analysis of theory and experiment done using a set of tool called Hydro Genius Teach. The experiment is about investigating the ...

    • Characteristic of 2 DOF cooperative task by two humans 

      Shahriman, Abu Bakar, Dr.; Handa, Yuichiro; Ikeura, Ryojun; Mizutani, Kazuki (IEEE Conference Publications, 2006-10)
      In this research, we propose to analyze the characteristic of human-to-human cooperation in vertical motion. The experiment subject is divided into master and slave category where the slave is required to close their eyes ...

    • Characteristic of COD and colour removal of azo dye in ozonation and biological treatment 

      Che Zulzikrami Azner, Abidin; Fahmi Muhammad, Ridwan (Institute of Electrical and Electronics Engineers (IEEE), 2011)
      In this research, the characteristic of COD and colour removal of azo dye by ozonation and biological treatment was evaluated for applying in azo dye industrial effluent treatment. Reactive Red 120, Remazol Brilliant Blue, ...

    • Characteristic region based image steganography using Speeded-Up Robust Features technique 

      Nagham, Hamid; Abid, Yahya; R. Badlishah, Ahmad, Prof. Dr.; Osamah Al-Qershi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Steganography is the art and science of invisible communication. It is employed in different useful a pplications, like, safe circulation of secret data and Medical I maging Systems. For most of the current steganography ...

    • Characteristics of airborne Pm₂.₅ and Pm₂.₅-₁₀ in the urban environment of Kuala Lumpur 

      Mohd Rashid, Mohd Yusof; T.G., Chuah; Shuhaimi, M.; Sara Yasina, Yusuf, Dr.; Norazian, Mohamed Noor (Scientific.Net, 2012-12)
      Gravimetric and elemental analyses were conducted at a site in Kuala Lumpur from 2008 to 2010, representing the local air quality of urban and traffic. Eighteen elements were detected by ED-XRF and was further analysed for ...

    • Characteristics of developed granules containing phototrophic aerobic bacteria for minimizing carbon dioxide emission 

      Salmiati; Farrah Aini, Dahalan; Mohamed Zuhaili, Mohamed Najib; Mohd. Razman, Salim; Zaini, Ujang (Elsevier Limited, 2015-08-01)
      Photosynthetic process compromises the most effective and natural way for carbon recycling, in which photosynthetic bacteria utilized carbon dioxide (CO2) during the wastewater treatment processes. The aim of this study ...

    • Characteristics of Fe-yttria composites fabricated by powder metallurgy method 

      Marina, Marzuki; Kartini, Alir; Wan Abdul Rahman Assyahid, Wan Ibrahim; Nooraizedfiza, Zainon; Mohd Asri, Selamat; Mohd Zamzuri, Mohammad Zain (Trans Tech Publications, 2013)
      This study is focused on fabricating and characterizing iron (Fe) composites prepared by powder metallurgy route reinforced with varying weight of Yttria (Y2O3). Composites were prepared based on 5 wt. % to 15 wt. % of ...

    • Characteristics of Serial Peripheral Interfaces (SPI) timing parameters for optical mouse sensor 

      Mohd Khairuddin, Md Arshad; Uda, Hashim; Choo, C.M. (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      In this paper we report the characterizations results of Serial Peripheral Interface (SPI) timing parameters for optical mouse sensor. SPI is an interface that facilitates the transfer of synchronous serial data. It supports ...

    • Characteristics of thermoplastic potato starch/bentonite nanocomposite film 

      Nurul Husna, Zakaria; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah; Sandu, I. G.; Mei Wan, C. L. (IOP Publishing Ltd, 2018-06)
      The aim of this study is to investigate the effect of bentonite towards thermoplastic potato starch nanocomposite films on the mechanical, microstructure and physical properties. The nanocomposite films were prepared using ...

    • Characterization and application of dolomite rock in Perlis 

      Mohd Nazry, Salleh; Farizul Hafiz, Kasim; Khairul Niza,r Ismail; Che Mohd Ruzaidi, Ghazali; Saiful Azhar, Saad; Suhardy, Daud (Universiti Teknologi Malaysia (UTM), 2006-07-24)
      Dolomite which is known by the local as ‘batu reput’, is a primary sediment mineral and abundantly found in Perlis. Perlis is one of the major producers of dolomite in Malaysia that contain large deposit of high-purity ...

    • Characterization and mechanical properties of biomass polyurethane 

      Nur Azni, M. A.; Sinar Arzuria, Adnan; Firuz, Zainuddin, Dr. (American-Eurasian Network for Scientific Information (AENSI), 2013-10)
      In this work, turmeric (Curcuma Longa) and henna (Lawsonia inermis) has been used as filler to rigid polyurethane (PU) foam. Characterization and mechanical properties of biomass polyurethane has been investigated using ...

    • Characterization and phase evolution of cordierite based glass synthesis from pure oxide and minerals 

      Banjuraizah, Johar; Hasmaliza, Mohamad; Zainal Ariffin, Ahmad (Trans Tech Publications, Switzerland, 2011)
      α Cordierite is very important phase in MgO-Al2O 3-SiO2 system because of their very outstanding thermal, chemical and electrical properties. In this presents study non-stoichiometry cordierite (MgO:Al2O3:SiO2 = 3:1.5:5) ...

    • Characterization and properties of activated nanosilica/polypropylene composites with coupling agents 

      Ong, Hui Lin, Dr.; Hazizan, Md Akil; Zainal Arifin, Mohd Ishak (John Wiley & Sons, Inc., 2009)
      In this work, nanosilica/polypropylene composites containing 1 wt% of silica nanoparticles were prepared by melt mixing in a Thermo Haake internal mixer. Prior compounding, nanosilica was subjected to surface activation ...