Browsing Journal Articles by Title

Now showing items 1210-1228 of 2743

    • Halal based sourced EM for turbidity reducing in wastewater treatment 

      Zarina, Zakaria; Noorulnajwa Diyana, Yaacob; Mohd Mustafa Al-Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya (Trans Tech Publications, 2014)
      Effective Microorganism (EM) technology was found as the credible solution to solve many environmental problems including wastewater issues. The EM which is in the form of EM mud ball was tested to be effectively used for ...

    • Half-metallic ferromagnetism in Al1-xCrxP and superlattices (AlP)n/(CrP)m by density functional calculations 

      M., Merabet; Djamel, Rached; S., Benalia; Ali Hussain, Reshak, Prof. Dr.; Bettahar, N.; Righi, H.; Baltache, H.; Soyalp, F.; Labair, M. (Elsevier, 2014-01)
      Using the first-principles full-potential linear muffin-tin orbital (FP-LMTO) method based on density functional theory, we have investigated the electronic structure and magnetism of order dilute ferromagnetic semiconductor ...

    • Hamming and hausdorff distance measures for staff selection problem: A comparison 

      R., Md. Saad; Muhammad Zaini, Ahmad, Dr.; Muhammad Shahar, Jusoh, Dr.; Mohd Syafarudy, Abu (Medwell Journals, 2013)
      Selecting the right person to a particular job needs a lot of considerations, especially in a growth company. To solve this problem, many organisations have created an ideal candidate that fulfils all requirements for a ...

    • The hardware design technique for ultrasonic process tomography system 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Nor Muzakkir, Nor Ayob (International Frequency Sensor Association Publishing (IFSA), 2012-06)
      This paper describes a work carried out to design and development an ultrasonic process tomography system. The hardware design technique is of interest of this paper. A number of 32-ultrasonic transducers have been ...

    • Hardware developments of an ultrasonic tomography measurement system 

      Hudabiyah, Arshad Amari; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Herlina, Abd Rahim; Pusppanathan, Muhammad Jaysuman (International Frequency Sensors Association (IFSA), 2011-01)
      This research provides new technique in ultrasonic tomography by using ultrasonic transceivers instead of using separate transmitter-receiver pair. The numbers of sensors or transducers used to acquire data plays an important ...

    • Hardware developments of an ultrasonic tomography measurement system 

      Hudabiyah, Arshad Amari; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman (International Frequency Sensor Association (IFSA), 2011-01)
      This research provides new technique in ultrasonic tomography by using ultrasonic transceivers instead of using separate transmitter-receiver pair. The numbers of sensors or transducers used to acquire data plays an important ...

    • Hardware implementation of multiple fan beam projection technique in optical fibre process tomography 

      Ruzairi, Abdul Rahim; Mohd Hafiz Fazalul, Rahiman; Lai, Chen Leong; Kok, San Chan; Jon, Fea Pang (Molecular Diversity Preservation International (MDPI), 2008-05)
      The main objective of this project is to implement the multiple fan beam projection technique using optical fibre sensors with the aim to achieve a high data acquisition rate. Multiple fan beam projection technique here ...

    • Harmonics suppression single-fed dual-circularly polarized microstrip patch antenna for future wireless power transmission 

      Rosemizi, Abd. Rahim; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Junita, Mohd Nordin; Haris Fazilah, Hassan (Engg Journals Publications, 2013-10)
      This paper presents a novel design of a harmonic suppression single-fed dual-circularly polarized microstrip patch antenna for a rectenna system in the future wireless power transmission application. The proposed antenna ...

    • Heat dissipation analysis under natural convection condition on high power LED 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes ...

    • Heat sink fin number variation analysis on single chip high power LED 

      Zaliman, Sauli, Dr.; Vairavan, Rajendaran; Retnasamy, Vithyacharan (Trans Tech Publications, 2014-01)
      Thermal management of high power LED is crucial the reliability and performance of the LED affected by the heat produced during photon emission. Heat sinks are utilized to dissipate the heat and to lower the operating ...

    • Heavily doped n++ GaN Cap Layer AlN/GaN metal oxide semiconductor high electron mobility transistor 

      K, Karami; S., Taking; A., Ofiare; A., Dhongde; A., Al-Khalidi; E., Wasige (Universiti Malaysia Perlis (UniMAP), 2021-12)
      In this work, we report on the processing and device characteristics of n++ GaN/AlN/GaN metal oxide semiconductor high electron mobility transistors (MOSHEMTs). The AlN/GaN structure is capped with a highly doped n++ GaN ...

    • Height measurement based on fringe projection 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Nor Shakirina, Nadzri; Veriven, Christopher John (Trans Tech Publications, 2014)
      A three-dimensional surface measurement using fringe projection technique has received attention among the researches for the last few decades.However choosing the best method is the challenge because one needs to consider ...

    • Helical Antenna sensor for Different Liquid Type Identification 

      Waleed Majdi Issa, Ikhmis; Saidatul Norlyana, Azemi; Azremi Abdullah, Al-Hadi; Ping Jack, Soh; Mohd Faizal, Jamlos (EDP Sciences, 2017)
      There are variety of lliquid sensor measurement systems that available in the market nowadays. It is used to measure various parameter for wide range application or to address a specific application. However, most of the ...

    • Heterogeneous speech prediction using LDA classifiers 

      Mohd Ridzwan, Tamjis; Muhammad Naufal, Mansor; Ahmad Kadri, Junoh; Amran, Ahmed; Wan Suhana, Wan Daud; Azrini, Idris (Trans Tech Publications, 2014-08)
      Classroom speech intelligibility has become one of the main concerns in schools and other learning institutions development nowadays. This is because the qualities of student’s perceptions towards teacher are essentials ...

    • Hexagon platinum Schottky contact with ZnO thin film for hydrogen sensing 

      Mas Elyza, Mohd Azol; Nafarizal, Nayan, Prof. Madya Dr.; Uda, Hashim, Prof. Dr.; Muhammad Kashif, Muhammad Faroow; Mahnaz, Shafiei; Loew,  Pei Ling; Rashidah @ Siti Saedah, Arsat, Dr. (Penerbit UTM Press, 2013)
      This paper reports on the study of the effect on adding total peripheries and sharp edges to the Schottky contact as a hydrogen sensor. Schottky contact was successfully designed and fabricated as hexagon-shape. The contact ...

    • High degree of testability using full scan chain and ATPG-An industrial perspective 

      Mamun, Ibne Reaz; Lee, W. F.; Hamid, N. H.; Lo, H. H.; Ali Yeon, Mohd Shakaff, Prof. Dr. (Asian Network for Scientific Information, 2009)
      This study describes an efficient design methodology from an industrial perspective on utilizing Register Transfer Level (RTL) coding style, full scan chain implementation and Automatic Test Pattern Generation (ATPG) to ...

    • High efficiency, good linearity, and excellent phase linearity of 3.1-4.8 GHz CMOS UWB PA with a current-reused technique 

      Sohiful Anuar, Zainol Murad; Pokharel, R. K.; Sapawi, R.; Kanaya, H.; Yoshida, K. (Institute of Electrical and Electronics Engineers (IEEE), 2010-08)
      This paper describes the design of 3.1 to 4.8 GHz CMOS power amplifier (PA) for ultra-wideband (UWB) applications using 0.18-m CMOS technology. The UWB PA proposed here employs cascode topology with a currentreused technique ...

    • High Gain and High Directive of Antenna Arrays Utilizing Dielectric Layer on Bismuth Titanate Ceramics 

      Fwen Hoon, Wee; Mohd Fareq, Abd Malek; Farid Ghani; S. Sreekantan; A. U. Al-Amani (Hindawi Publishing Corporation, 2012-06-25)
      A high gain and high directive microstrip patch array antenna formed from dielectric layer stacked on bismuth titanate (BiT) ceramics have been investigated, fabricated, and measured. The antennas are designed and constructed ...

    • High gain UWB antenna array of partial conductor backed-coplanar waveguide (PCB-CPW) with coaxial fed for microwave imaging 

      M. A. Jamlos; M. F. Jamlos; A. H. Ismail; Amirah Othman (Universiti Malaysia Perlis (UniMAP), 2020)
      In this paper, a partial conductor backed-coplanar waveguide (PCB-CPW) UWB antenna array is proposed, which consists of four identical circular patches appropriately connected using quarter wave transformer transmission ...