Browsing Mohd Fareq Abd Malek, Associate Professor Dr. by Title

Now showing items 7-26 of 77

    • 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, ...

    • Cognitive wireless sensor actor network: an agricultural perspective 

      Naseer, Sabri; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Muhammed Sabri, Salim; Rezuwan, Kamaruddin, Prof. Ir. Dr. Hj.; R. Badlishah, Ahmad, Prof. Dr.; Mohd Fareq, Abd Malek, Dr. (ICIC International, 2014-04)
      Intelligent environments are exposing the next revolutionary steps of development technologies in automation of building, industrial, home, and transportation systems. The new generation of Wireless Sensor Actor Networks ...

    • A compact peanut-shape printed antenna for bio-telemetric tablet system 

      M. S., Zulkefli; Mohd Fareq, Abd Malek, Dr.; Mohd Hafizuddin, Mat; Ronald, Suzanna Harun; Mohd Faizal, Jamlos, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      In this paper, 2.45 GHz compact peanut-shape antenna suitable for bio-telemetric tablet system is proposed. In order to make a compact antenna, multi-layer substrate and shorting pin method are used. The specific absorption ...

    • Comparative study between measurement and predictions using geometrical optics and uniform theory of diffraction for case of non-line-of-sight (NLOS) in indoor environment 

      Cheng, Ee Meng, Dr.; Zulkifly, Abbas, Prof. Madya Dr.; Mohd Fareq, Abd. Malek, Dr.; Lee, Kim Yee, Dr.; Kok, Yeow You; Khor, Shing Fhan, Dr. (Springer Science+Business Media New York, 2013-08)
      This paper describes the investigation and comparison of the accuracy of a deterministic model for a WLAN system in the indoor environment. The measurement system consisted of a spectrum analyzer and a log-periodic antenna. ...

    • A comparative study of confined carrier concentration of laser using quantum well and quantum dot in active layer 

      Md. Abdullah, Al Humayun; Mohd Abdur Rashid, Dr.; Mohd Fareq, Abd. Malek, Dr.; Adawati, Yusof; Farrah Salwani, Abdullah; Nor Baizura, Ahmad (Trans Tech Publications, 2013)
      This paper presents a comparative analysis of the characteristics of confined carrier concentration in the gain medium as well as the carrier concentration at the threshold. We have studied extensively these phenomena by ...

    • A comparative study of simple geometrical head phantoms on specific absorption rates for simulations and measurements at 900MHz 

      Mohd Hafizuddin, Mat; Mohd Fareq, Abd Malek, Dr.; Ronald, Suzanna Harun; Zulkefli, M. S. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      In this paper, a dipole antenna operating at 900 MHz is simulated to examine the most suitable simple geometrical head phantoms for specific absorption rate (SAR) simulations and measurements. The numerical analysis was ...

    • Control follower robot speed based on ultrasonic echo 

      Muhammed, S. Salim; Mohd Fareq, Abd Malek, Dr.; R.B.W., Heng; Khairudi, Mohd Juni; Naseer Sabri, Salim (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this research the dynamic speed profile generation system made up of fuzzy logic and ultrasonic sensors is evaluated. The echo power signal measurement permits us to endow the robot with capacity for pursuing and ...

    • A cost-effective method for high-quality 60GHZ optical millimeter wave signal generation based on frequency quadrupling 

      Nael Ahmed, Al-Shareefi; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Razali, Ngah, Assoc. Prof. Dr. ; Sura A., Abbas; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (EMW Publishing, 2013)
      In this paper, we present a cost effective method to generate a high-quality quadruple frequency optical millimeter- wave (MMW) signal using an integrated dual-parallel Mach-Zehnder modulator (IDP-MZM). Not only does the ...

    • Damping improvement of power system oscillations by using optimal coordinated design between PSS and SVC-based stabilizer 

      Ali Nasser, Hussain; Mohd Fareq, Abd. Malek, Dr.; Mohd Abdur Rashid, Dr.; Latifah, Mohamed; Nuriziani, Hussin (Trans Tech Publications, 2013)
      The large expansion of electrical power systems usually results in problem of low frequency oscillations. Therefore, the conventional Power System Stabilizers (PSSs) used to solve this problem cannot provide an adequate ...

    • Design a quadband frequencies microstrip patch antenna with double C-shaped slot 

      Muhammad Majdi, Saad; Mohd Nor, Husain, Dato' Prof. Dr.; Nornikman, Hassan; Mohamad Zoinol Abidin, Abd. Aziz; Badrul Hisham, Ahmad, Dr.; Mohd Fareq, Abd. Malek, Dr. (Engg Journals Publications, 2013)
      A quadband frequencies microstrip square patch antenna with double C-shaped slot at the patch is proposed in this paper. First, a rectangular shaped patch antenna is designed for 2.40 GHz frequency (WLAN application) with ...

    • Design of a free electron maser without wiggler 

      Mohd Fareq, Malek; Lucas, James; Yi, Huang (World Scientific and Engineering Academy and Society (WSEAS), 2010-04)
      We are developing prototype free electron maser (FEM) that is compact, powerful and efficient for potential industrial applications. The design, set-up and results of a novel X-band rectangular waveguide prebunched free ...

    • Design of Barium Strontium Titanium (BST) array antenna 

      F. H., Wee; Mohd Fareq, Abd Malek, Dr.; Soh, Ping Jack (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      A design of a 4x4 dielectric resonator (DR) microstrip patch array antenna with a 50 Ω microstrip transmission line feed is presented. The antenna was designed to operate at the Worldwide interoperability for Microwave ...

    • Design of UHF harmonic butterworth low pass filter for portable 2 ways-radio 

      Liew, Hui Fang; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Yufridin, Wahab, Dr.; Norshafinash, Saudin (Engg Journals Publications, 2013)
      This paper presents the design of a compact Butterworth low pass filter designed operating at frequency range of 300-400MHz with input and output impedance of 50 ohm have been designed, simulated and fabricated. This filter ...

    • Development of a new approach for high-quality quadrupling frequency optical millimeter-wave signal generation without optical filter 

      Nael A., Al-Shareefi; Syed I., S. Hassan; Mohd Fareq, Abd Malek, Dr.; Razali, Ngah, Assoc. Prof. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Rashid Ali, Fayadh; Jaafar Adhab, ALdhaibani; Hasliza, A. Rahim (PIER, 2013)
      In this paper, we propose a new approach to generate quadrupling-frequency optical millimeter-wave (mm-wave) signal with carrier suppression by using two parallel Mach-Zehnder modulators (MZMs) in Radio-over-fiber (RoF) ...

    • Development of pyramidal microwave absorber using sugar cane bagasse (SCB) 

      Liyana, Zahid; Mohd Fareq, Abd Malek, Dr.; Nornikman, Hassan; Nur Adyani, Hj. Mohd Affendi; Azuwa, Ali; Nuriziani, Hussin; Badrul Hisham, Ahmad, Dr.; Mohamad Zoinol Abidin, Abd. Aziz (EMW Publishing, 2013)
      The need to find ways to effectively utilize the large quantities of agricultural waste that are produced is indicative of the huge potential associated with producing an alternative pyramidal microwave absorber for anechoic ...

    • Development of tunable multi beam antenna for High Altitude Platform Station (HAPS) – Progress II 

      Mohd Fareq, Abd Malek, Dr.; Soh, Ping Jack; Muhammad Ezanuddin, Abdul Aziz (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In this paper, influence of Circularly Split Ring Resonators with its accompanying circular microstrip patch antenna are investigated. Proposing a 5850 to 7075 MHz band of working frequency, by means of microwave ...

    • A dual-band array antenna using dome-shaped radiating patches 

      Raimi, Dewan @ Abdul Rahman; Sharul Kamal, Abd. Rahim, Assoc. Prof. Ir. Dr.; Mohd Fareq, Abd. Malek, Dr.; Siti Fatimah, Ausordin; Abdulrahman Amuda, Yusuf, Dr.; Saidatul Norlyana, Azemi (Wiley Periodicals, 2013-11)
      A novel design of a dual-band array antenna for Wireless Local Area Network and Worldwide Interoperability for Microwave Access applications is presented in this article. The antenna operates at 3.5 dBi (the lower band) ...

    • Dual-band suspended-plate wearable textile antenna 

      Nurul Husna, Mohd Rais; Soh, Ping Jack; Mohd Fareq, Abd. Malek, Dr.; Vandenbosch, Guy A. E. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      A novel, dual-band wearable textile antenna fabricated using conductive textiles for operation in both ISM and HiperLAN applications is presented. Its concept is based on the suspended-plate antenna. It features a 60 × 45 ...

    • Dual-band, parabolic, slotted ground plane-directive antenna for WLAN applications 

      Muhammad Zairil, Muhammad Nor; Sharul Kamal, Abd. Rahim, Assoc. Prof. Ir. Dr.; Mursyidul Idzam, Sabran; Mohd Fareq, Abd. Malek, Dr. (Taylor & Francis, 2013)
      Wireless local area network (WLAN) is one of the common terms used by researchers in the communications area that allows wireless, long-range communication. Antennas are used as a medium of transmission, and in recent WLAN ...

    • Effect of lattice constant on band-gap energy and optimization and stabilization of high-temperature In xGa 1 -xN quantum-dot lasers 

      Humayun, M. A.; Md Abdur Rashid, Dr.; Mohd Fareq, Abd. Malek, Dr.; A. N. Hussain (Springer US, 2012-07)
      We analyze the effect of the lattice constant on the band-gap energy of In x Ga1−x N and optimize the structure of the device with a separate-confinement heterostructure. To vary the lattice constants, we change the In ...