Now showing items 99-118 of 185

    • Improved variational many-body wave function in light nuclei 

      Qamar Nasir, Usmani, Prof. Dr.; Singh, A.; Khairul Anwar, Mohamad Khazali; Rawitscher, G. (American Physical Society, 2009-09-10)
      We propose and implement a simple method for improving the variational wave function of a many-body system. We have obtained a significant improvement in the binding energies, wave functions, and variance for the light ...
    • Infant cry classification to identify asphyxia using time-frequency analysis and radial basis neural networks 

      Muthusamy, Hariharan; Jeyaraman, Saraswathy; Sindhu, Ravindran; Wan Khairunizam, Wan Ahmad, Dr.; Sazali, Yaacob, Prof. Dr. (Elsevier Ltd, 2012-08)
      A cry is the first verbal communication of infants and it is described as a loud, high-pitched sound made by infants in response to certain situations. Infant cry signals can be used to identify physical or psychological ...
    • Interaction relationship analysis of surface roughness on aluminium etched wafer using RIE 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Wei Wei, Ng (Trans Tech Publications, 2014)
      This paper presents the interaction relationships between Tetrafluoromethane (CF₄) gas, Oxygen (O₂) gas, and RF power in response to the surface roughness of an Aluminium deposited wafer after being etched using Reactive ...
    • Interframe bus encoding technique and architecture for MPEG-4 AVC/H.264 video compression 

      Asral, Bahari Jambek; Arslan, Tughrul; Erdogan, Ahmed T. (IEEE, 2010-05-19)
      In this paper, we propose an implementation of a data encoder to reduce the switched capacitance on a system bus. Our technique focuses on transferring raw video data for multiple reference frames between off- and on-chip ...
    • Interrogation of surface roughness and bond force effect 

      Zaliman, Sauli, Dr. (AENSI Publisher All rights reserved, 2013-10)
      In the macro world surface roughness is a feature undoubtedly not to be ignored. In the current trend towards the nano-scale feature in the devices related to the semiconductor and other various niche, surface roughness ...
    • Investigation of dielectric characteristics and tunability of Ba0.8Sr0.2TiO3 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      It's been years ferroelectric materials has become a popular fields for research. Many methods were used for the barium strontium titanate (BST) preparation like sol-gel method, radio frequency (RF) magnetron sputtering, ...
    • Investigation of surface roughness on platinum deposited wafer after reactive ion etching using SF₆+Argon gaseous 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on a Platinum deposited wafer after reactive ion etching (RIE) using a combination of SF₆ and Argon gaseous. A total of three controllable process ...
    • Investigation of the linear and nonlinear optical susceptibilities of KTiOPO4 single crystals: Theory and experiment 

      Reshak, Ali Hussain; I. V., Kityk; S., Auluck (American Chemical Society, 2010-12-23)
      Experimental and theoretical studies of the linear and nonlinear optical susceptibilities for single crystals of potassium titanyl phosphate KTiOPO 4 are reported. The state-of-the-art full potential linear augmented plane ...
    • Ionic contaminations level and cleaning flip chip BGA package via a new cleaning solvent technology 

      Yap, Boon Kar, Dr.; Noor Azrina, Talik; Zaliman, Sauli, Dr.; Foong, Chee Seng; Tan, Chou Yong, Dr.; Retnasamy, Vithyacharan (Emerald Group Publishing Limited, 2013)
      Purpose - This paper aims to discuss the effects of ionic contaminations on the die surface of high lead flip chip ball grid array (FCBGA) package. Ionic contaminations from the flux residue, formed during the die attachment ...
    • IR-induced features of AgGaGeS 4 crystalline semiconductors 

      Davydyuk, G.Y.; Myronchuk, G.L.; Lakshminarayana, G.; Yakymchuk, O.V.a; Reshak, A.H.; Wojciechowski, A.; Rakus, P,; Alzayed, N.; Chmiel, K M.; Kityk, I.V.; Parasyuk, O.V. (Elsevier Ltd., 2012-03)
      Complex investigations of the photoconductivity and photoinduced absorption together with the piezoelectric features were performed for the AgGaGeS 4 semiconducting single crystals under the influence of 3.5 μs CO 2 (80 ...
    • L, C and X band integrated synthetic aperture radar (SAR) receiver 

      Faizah, Abu Bakar; Holmberg, Jan; Nieminen, Tero E.; Nehal, Qaiser; Ukkonen, Pekka; Saari, Ville; Halonen, Kari A I; Åberg, Markku H.; Sundberg, Iiro (Springer Science+Business Media New York, 2013-12)
      An integrated receiver consisting of RF front ends, analog baseband (BB) chain with an analog to digital converter (ADC) for a synthetic aperture radar (SAR) implemented in 130 nm CMOS technology is presented in this paper. ...
    • L-band multi-wavelength Brillouin-Raman fiber laser utilizing the reverse-S-shaped section 

      Nor Azura malini, Ahmad Hambali, Dr.; M. Ali, Toor; Zulfadzli, Yusoff, Assoc. Prof.; Muhammad, Ajiya (World Scientific Publishing Company., 2014-06)
      In this paper, we experimentally demonstrated multi-wavelength Brillouin-Raman fiber laser that operates in the L-band wavelength region. The laser structure utilizes the reverse-S-shaped technique. 35 output Brillouin ...
    • Laser operated borate polymer nanocomposites 

      Ali Hussain, Reshak, Prof. Dr.; Gandham, Lakshminarayana; Burak, Ya V.; Adamiv, Volodymyr T. (Elsevier B.V., 2011-01-28)
      We have found that UV polarized treatment of the nanocrystals (non-centrosymmetric Li2B4O7 and centrosymmetric α-BaB2O4) embedded into the olygoether acrylate photopolymer samples cause substantially different response ...
    • LED heat dissipation analysis using composite based cylindrical slug 

      Zaliman, Sauli, Dr.; Vairavan, Rajendaran; Retnasamy, Vithyacharan (Trans Tech Publications Inc., 2014-02)
      The optical efficacy and reliability of light emitting diode is extensively influenced by the operating junction temperature of the LED. Therefore, the evaluation of junction temperature is significant. This paper reports ...
    • LED heat dissipation study using different Cu slug size 

      Vairavan, Rajendaran; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      High power light emitting diodes (LEDs) have significant contribution in illumination industry due exceptional advantages in terms of low power consumption, superior reliability, prolonged life time and high efficiency. ...
    • Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications 

      Sohiful Anuar, Zainol Murad, Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Pokharel, Ramesh Kumar, Prof.; Kanaya, Haruichi, Assoc. Prof.; Yoshida, Keiji, Prof (John Wiley & Sons, Inc., 2012-04)
      This letter presents linearity improvement up-conversion mixer at 5.2 GHz for wireless applications. The design is based on Gilbert-cell active double-balanced mixer using derivative superposition method for linearity ...
    • Low density fibrous material surface light reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The light based surface finishing of most product measurement is an important feature in the industries. In this paper, a lab fabricated tester for investigation on the quality of low density paper which was represent by ...
    • Low loss optimization of strip channel polysilicon waveguide fabrication 

      Mukhzeer, Mohamad Shahimin, Dr.; Ang, Keng Chuan; Khor, Kang Nan (American-Eurasian Network for Scientific Information, 2013)
      Research on waveguide structures, its behaviour and material properties are very extensive for a wide range of applications. Generally, waveguides are used for optical devices such as biosensors. This paper investigates ...
    • Low power shoe integrated intelligent wireless gait measurement system 

      Yufridin, Wahab, Dr.; Mazlee, Mazalan; Norantanum, Abu Bakar; A F, Anuar; Mohammad Zaidi, Zainol; F, Hamzah (Institute of Physics Publishing, 2014)
      Gait analysis measurement is a method to assess and identify gait events and the measurements of dynamic, motion and pressure parameters involving the lowest part of the body. This significant analysis is widely used in ...
    • Low-power H.264 video compression architectures for mobile communication 

      Asral Bahari, Jambek; Tughrul, Arslan; Ahmet Teyfik, Erdogan (Institute of Electrical and Electronics Engineers (IEEE), 2009-09)
      This paper presents a method to reduce the computation and memory access for variable block size motion estimation (ME) using pixel truncation. Previous work has focused on implementing pixel truncation using a fixed-blocksize ...