Browsing Zul Azhar Zahid Jamal, Dato' Prof. Dr. by Title
Now showing items 9-28 of 47
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Development and performance evaluation of hierarchical quadrature amplitude modulation (HQAM) for image transmission over wireless channels
(Institute of Electrical and Electronics Engineers (IEEE), 2011-09-20)Asymmetric modulation techniques like Quadrature Amplitude Modulation system is one of the key techniques in building a broadband mobile communication network because of increasing shortage of wireless communication channels. ... -
Development of a PMV-based thermal comfort modelling
(International Association of Science and Technology for Development (IASTED)/ACTA Press, 2007-05)This paper concentrates on the modelling development for a PMV-based thermal comfort system. Operators can define their own expression towards the surroundings by inserting the respective value of PMV and the system will ... -
Development of Barium Strontium Titanate (BST) Based Sensor/ Instruments
(Malaysian Invention and Design Society (MINDS), 2007-05-18)The research project deals with the development of BST based microsensors/instruments such as optical, heat and gas sensors/instruments. -
Educational collaborations with Thai universities: the case of KUKUM
(Hatyai University (HU), 2004-08-27)With increasing population and limited resources, numerous factions in the world today compete hard with one another. In accordance to Darwin’s ‘survival of the fittest’, only the strongest and loudest endure. Against this ... -
Effect of Cadmium Sulfate on high temperature Oxidation behavior of Austenitic series steel
(2008-12-03)The use of austenitic series steel with either Cadmium and/or Zinc coating is becoming increasingly important in Spring, Lock Washer, Fastener, Tools, Military Hardware, Washing Machine Parts, Electronic and Electrical ... -
Electrode design and planar uniformity of anodically etched small area porous silicon
(American Institute of Physics, 2009-06-01)Porous silicon layer microstructure is sensitive to many parameters, which need to be controlled during etching. These include not only anodization time, current density, applied potential and electrolyte composition but ... -
Fabrication and characterization of Si quantum dots and SiO2 tunnel barriers grown by a controlled oxidation process
(IOP Publishing Ltd, 2008-01-29)The control of the growth of silicon dioxide (SiO2) and the formation of quantum dots (QDs) play an important role in the fabrication of single-electron transistors (SETs). In this work, SET structures were fabricated using ... -
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations
(Elsevier, 2018)The main objective of the current work was to fabricate calcium phosphate (CaP) coating on 99.9% purity magnesium, Mg substrate through simple chemical conversion method and evaluated the surface properties and corrosion ... -
Ferroelectric and relaxor ferroelectric to paralectric transition based on Lead Magnesium Niobate (PMN) materials
(Trans Tech Publications, 2013)First ferroelectric materials were found in Rochelle salt was in a perovskite structure. Lead Magnesium Niobate (PMN) is a perovskites with a formula of PbMg1/3Nb2/3O3 (PMN) and are typical representatives for most of all ... -
Government mechanism in managing natural disasters in Malaysia: achievement factors
(Diponegoro University, 2007-09-11)Malaysia is considered safe from earthquakes. However, it experiences other types of natural disasters such as monsoon floods, landslides and severe haze. In Malaysia, the management of disaster is presently executed through ... -
Growth of GaN quantum dots using [(C2H5)4]Si by plasma assisted MOCVD
(Institute of Electrical and Electronics Engineering (IEEE), 2006-07)Growth of GaN quantum dots on AlGaN layer using [(C2H 5)4]Si [TESi] by plasma assisted metal organic chemical vapor deposition (PA-MOCVD) is reported. The surface profile of the grown GaN quantum dot was determined by ... -
Heart Beat Detector for Medical Applications Based on Barium Strontium Titanate (BST) Thinfilm Sensor
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)Our research deals with the development of Barium Strontium Titanate (BST) materials. These BST materials have applications in sensors and actuators. We have succeeded in developing instruments that measure preasure, heat, ... -
KUKUM Artificial Marble
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2005-09-30)KUKUM artificial marble can be processed as one-piece structure, so it can eliminates the problem of assembly by providing a one piece solution. -
KUKUM as an agent and role model in disaster preparedness and disaster management vis-à-vis the Malaysian Mechanism of Disaster Management
(International University, 2006-12-07)KUKUM’s experience in contributing to the local community, functioning alongside the machineries of the Perlis State Government during the recent flood disaster is described at length in this paper. There was a continuous ... -
Mask Making Process (Positive and Negative Mask)
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)Generally, two types of masks are used in MOSFET fabrication; positive mask and negative mask. These resists mask can be used either in lift off process or conventional lithography step depends on the fabrication process ... -
Mechanical and thermal properties of chitosan-filled polypropylene composites: The effect of acrylic acid
(Society of Plastics Engineers, 2011-06)The mechanical properties, morphology, and thermal properties of chitosan-filled polypropylene (PP) composites have been studied. The effect of the chemical modification of chitosan by acrylic acid treatment was also ... -
Microstructural study and differential scanning Calorimetry analysis at elevated tempatures of superhead As-Cast A357 alloy
(Universiti Kebangsaan Malaysia (UKM), 2008-12-03)The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. ... -
MOS Transistor (Fabricated Using In-House Low Cost Facilities)
(Malaysian Invention & Design Society (MINDS), 2006-05-19)MOS Transistor is divided into two types: NMOS and PMOS. Majority carrier od NMOS is electrons whereby PMOS is holes. The MOS transistor consists of three regions namely source, drain and gate. Fabrication of MOS transistor ... -
MOS Transistor Mask Design Using SEM Based E-Beam Lithography
(Malaysian Invention & Design Society (MINDS), 2006-05-19)Electron beam lithography (EBL) is one of the alternative tools in transferring micro and nano circuit patterns from design editor to the substrate. EBL is state-of-the-art technology for micro and even to nano feature ... -
MOSFET Technology for Microelectronic Engineering Undergraduate Programme
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2005-09-30)This project focused on the process development of MOSFET fabrication. Microelectronic fabrication equipment and facilities from the micro fabrication cleanroom laboratory in KUKUM were used for the purposes of this project. ...