Now showing items 1-20 of 248

    • 5mm × 5mm sized slug on high power LED stress and junction temperature analysis 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Vairavan, Rajendaran; Nazuhusna, Khalid (Trans Tech Publications (TTP), 2013)
      Conventional incandescent lamps are being replaced by high power light emitting diode as a lighting source due to it ascendancy in terms of physical size, performance, output and lifetime. Nevertheless, the reliability and ...
    • A 6.0GHz small printed monopole antenna for wireless implantable body area network applications 

      Nur Hidayah, Ramli; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Noor Asmawati, Samsuri, Dr.; Ezla Najwa, Ahyat; Abdulrahman Amuda, Yusuf, Dr.; Mohd. Faizal, Jamlos, Dr. (EMW Publishing, 2013)
      Wireless implantable body area network (WiBAN) is useful for monitoring vital human parameters in medical diagnosis such as breast cancer, heart attack and high blood pressure. The main objective of this paper is to design ...
    • Ab-initio calculation of the ground state of a truncated single-walled carbon nanotube 

      Md. Mijanur, Rahman, Dr.; R. Badlishah, Ahmad, Prof. Dr. (American-Eurasian Network for Scientific Information (AENSI), 2012-05)
      An ab-initio calculation of the ground state of a truncated single-walled carbon nanotube was performed. For this calculation, we adopted Density Functional Theory approach which significantly reduced computational ...
    • Acoustic energy harvesting using piezoelectric generator for low frequency sound waves energy conversion 

      Haris Fazilah, Hassan; Syed Idris, Syed Hassan, Prof. Dr.; Rosemizi, Abd. Rahim (Engg Journals Publications, 2013)
      The applications of electronic devices with low power consumption, such as wireless sensor network and electronic communication devices, are rapidly increasing. Thus, utilizing environmental energy as an alternative to ...
    • Aerial platforms to ensure communications reliability in disaster areas 

      Satea Hikmat, Alnajjar; Mohd Fareq, Abdul Malek, Dr.; Mohd Sharazel, Razalli; Mohd Saufi, Ahmad (American Scientific Publishers, 2014-02)
      Wireless mobile networking technology can be used to reduce a negative effect that occurs in disaster areas. This study, will present an innovative technique via utilize a Low-altitude platform, in order to provide expanded ...
    • Alleviation noise effect using flexible cross correlation code in spectral amplitude coding optical code division multiple access systems 

      Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Farid, Ghani, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Hilal Adnan, Fadhil, Dr. (Engineering and Technology Publishing, 2013)
      A new code for Spectral Amplitude Coding - Optical Code Division Multiple Access (SAC-OCDMA) is proposed and is called Flexible Cross-correlation (FCC) code. The FCC code possesses various advantages; including easy code ...
    • Aluminium surface grain size analysis on RIE treatment 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Palianysamy, Moganraj; Aaron, Koay Terr Yeow (Trans Tech Publications (TTP), 2013)
      Reactive Ion Etch (RIE) has been an important process in the world of microelectronic fabrication. Focus of this preliminary study is on how RIE affects the grain size of aluminum film which is fabricated on substrates. ...
    • Analysis OCDMA system bit-error-rate using NAND detection at different data rate 

      Nasim, Ahmed, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (The International Society for Optical Engineering (SPIE), 2013)
      In this study, the OCDMA system is analyzed to enhance the Bit-Error-Rate (BER) performance using NAND subtraction detection technique. Enhanced Double Weight (EDW) code is used as a signature address of OCDMA system. The ...
    • Analysis of an indoor biomedical radar-based system for health monitoring 

      Mercuri, Marco; Soh, Ping Jack; Pandey, Gokarna; Karsmakers, Peter; Vandenbosch, Guy AE E; Leroux, Paul; Schreurs, Dominique (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Innovative technology approaches have been increasingly investigated for the last two decades aiming at human-being long-term monitoring. However, current solutions suffer from critical limitations. In this paper, a complete ...
    • The analytical design of a folded waveguide traveling wave tube and small signal gain analysis using madey's theorem 

      Mohd Fareq, Abd Malek, Dr. (Progress In Electromagnetics Research (PIER), 2009)
      We are developing an analytical model for the design of the folded waveguide traveling wave tube (FWTWT). This analytical model provides the physical view for rapid design optimization of the FWTWT. The design and analysis ...
    • The analytical design of a folded waveguide traveling wave tube and small signal gain analysis using madey's theorem 

      Fareq, Malek (EMW Publishing, 2009)
      We are developing an analytical model for the design of the folded waveguide traveling wave tube (FWTWT). This analytical model provides the physical view for rapid design optimization of the FWTWT. The design and analysis ...
    • The analytical design of a folded waveguide traveling wave tube and small signal gain analysis using madey's theorem 

      Fareq, Malek (EMW Publishing, 2009)
      We are developing an analytical model for the design of the folded waveguide traveling wave tube (FWTWT). This analytical model provides the physical view for rapid design optimization of the FWTWT. The design and analysis ...
    • APD gain effect on SAC-OCDMA system using modified-and detection technique 

      Hamza Mohammed Ridha, Al-Khafaji; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Amphawan, Angela, Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Asian Research Publication Network, 2013-07)
      This paper investigates the avalanche photodiode (APD) gain effect on spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) system using a modified-AND subtraction detection in comparison to the ...
    • Beamforming network using dual band-dual beam reduced size butler matrices 

      Noorlindawaty, Md Jizat; Sharul Kamal, Abd. Rahim, Assoc. Prof. Ir. Dr.; Muhammad Zairil, Muhammad Nor; Abdulrahman Amuda, Yusuf, Dr.; Mursyidul Idzam, Sabran; Mohd. Faizal, Jamlos, Dr. (Radioengineering Society, 2013)
      The results of reduced- size cascaded Butler matrices developed for dual-band and dual-beam applications are presented in this paper. The meander-line technique, an acceptable approach for reducing the size of the radio ...
    • A BI-RADS based expert systems for the diagnoses of breast diseases 

      Umi Kalthum, Ngah; Shalihatun Azlin, Aziz; Mohd Ezane, Aziz; Mazeda, Murad; Nik Munirah, Nik Mahdi; Ali Yeon, Md Shakaff; Nor Ashidi, Mat Isa; Mohd Yusoff, Mashor; Mohd. Rizal, Arshad (Science Publications, 2007)
      We proposed an expert system based on the interpretation of mammographic and ultrasound images that may be used by expert and non-expert doctors in the interpretation and classifying of patient cases. The expert system ...
    • Bluetooth wireless network authentication using radio frequency communication protocol 

      Waleed, Ghossoon M.; M. Faizal; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Fareq, Abd Malek; M. Alif, Ghani (Science Publications, 2009)
      Problem statement: Bluetooth has emerged as very popular ad hoc network standard today. Bluetooth network applications include wireless synchronization, e-mail/internet/intranet access using local personal computer ...
    • Branch line coupler using hybrid T-model structure 

      Mohd Tarmizi, Ali, Dr.; Shahrul Kamal, Abdul Rahim, Assoc. Prof. Ir. Dr.; Muhammad Zairil, Muhammad Nor; Mohd Faizal, Jamlos, Dr. (Wiley Periodicals, Inc., 2012-01)
      A reduced size branch line coupler (BLC), which does not use bonding wires, lumped elements, or via holes, is reported in this article. The technique presented uses T-model approach, which is a combination of low-impedance ...
    • Bump height at low temperature analysis 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Steven, Taniselass (Trans Tech Publications (TTP), 2013)
      The effects of chemical bath time in response to the bump height in electroless nickel immersion gold (ENIG) process was investigated. This paper presents the correlation between electroless process time, immersion gold ...
    • Capacitive micromachined ultrasonic tranducers: Technology and application 

      Muhammed Sabri, Salim; Mohd Fareq, Abd. Malek, Dr.; Boon, Raymond Whee Heng, Prof. Dr.; Khairudi, Mohd Juni.; Naseer, Sabri (Elsevier B.V., 2012-03)
      Capacitive micromachined ultrasonic tranducers (cMUTs) have recently emerged as an alternative to conventional piezoelectric transducers. They offer many advantages in terms of bandwidth, fabrication of layer arrays, ...
    • Cardinality enhancement of spectral/spatial modified double weight code optical code division multi-Access system by PIIN suppression 

      Amir Razif Arief, Jamil Abdullah, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Junita, Mohd Nordin; R. Badlishah, Ahmad, Prof. Dr. (Elsevier GmbH, 2013-10)
      A new two-dimensional (2-D) optical code division multiple access (OCDMA) scheme to increase the achievable system capacity is proposed. The code exhibits good cross-correlation property time and wavelength shift. Performances ...