Now showing items 38-57 of 250

    • Design and analysis of a novel dielectric loaded helical antenna 

      Ezanuddin, A. A. M.; Soh, Ping Jack; Azremi, Abdullah Al Hadi; R. Badlishah, Ahmad, Assoc. Prof. Dr. (World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)
      Helical antennas have been a popular antenna configuration for various applications for its simple structure. This work describes the study on a novel, custom-shaped dielectric loaded helical antenna incorporated on an ...
    • Design and analytical modeling of folded waveguide traveling wave tube 

      Fareq, Malek (Elsevier B. V., 2009-12-21)
      We are developing a simple analytical model for the design of the folded waveguide traveling wave tube (FWTWT). Numerical software does exist for the design of FWTWT but requires large computer run time, is costly and does ...
    • Design and analytical modeling of folded waveguide traveling wave tube 

      Fareq, Malek, Dr. (Elsevier B. V., 2009-12-21)
      We are developing a simple analytical model for the design of the folded waveguide traveling wave tube (FWTWT). Numerical software does exist for the design of FWTWT but requires large computer run time, is costly and does ...
    • Design and development of a PC-based automated data logging system for measuring temperature 

      Md. Abdullah, Al Mamun; Sundaraj, Kenneth, Assoc. Prof. Dr.; Nasim, Ahmed, Dr.; Matiur J., Rahman; Md. Mijanur, Rahman, Dr.; Nizam Uddin, Ahamed (Asian Research Publishing Network (ARPN), 2013-11)
      Currently, accurate information of the temperature over time is required in medical, scientific, and various industrial applications. The objective of this work was to design and develop a fully automated microcontroller-based ...
    • Design and development of wireless communication transceiver to support RFID reader at UHF band 

      Mohammad Shahrazel, Razalli; Mohd Azir, Mahdi, Prof. Madya Dr.; Alyani, Ismail, Dr.; Siti Mariam, Shafie; H., Adam (Brill Academic Publishers, 2010-11-01)
      This paper discusses the design and development of wireless transceiver to support communication between Radio Frequency Identification (RFID) reader and host computer. The transceiver is designed and developed to operate ...
    • Design and measurement-based evaluation of multi-antenna mobile terminals for LTE 3500MHz band 

      Azremi, Abdullah Al Hadi, Dr.; Nima, Jamaly; Katsuyuki, Haneda; Clemens, Icheln; Ville V., Viikari (EMW Publishing, 2013)
      Design of multi-element antennas (MA) for small mobile terminals operating at higher frequencies remains challenging despite smaller antenna dimension and possibility of achieving electrically large separation between them. ...
    • Design and simulation a new code with zero cross-correlation for SAC-OCDMA networks 

      Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Dr. (INSInet Publications, 2012-03)
      Design and simulation of new code family for the Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) networks is present. The new code family called Multi Diagonal (MD) code. The MD code family ...
    • Design considerations of high performance optical code division multiple access: A new spectral amplitude code based on laser and light emitting diode light source 

      Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid, Prof. Madya; R. Badlishah, Ahmad, Prof. Madya Dr. (The Institution of Engineering and Technology, 2010-02-01)
      A new code of optical code division multiple access (OCDMA) based on spectral amplitude coding (SAC) is described and analysed. The coding technique is called random diagonal (RD) code. One of the important properties of ...
    • Design of a broadband all-textile slotted PIFA 

      Soh, Ping Jack; Vandenbosch, Guy A E; Liam, Ooi Soo; Nurul Husna, Mohd Rais (Institute of Electrical and Electronics Engineering (IEEE), 2012-01)
      A new broadband textile based PIFA antenna structure designed for wireless body area network (WBAN) applications is presented. The new topology can be directly integrated into clothing. The study starts by considering three ...
    • 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 spectral amplitude coding optical code-division multiple-access system using random diagonal codes 

      Fadhil, H. A.; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Fachverlag Schiele & Schoen GmbH, 2008)
      In this paper we study the use of a new code called Random Diagonal (RD) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, RD code is constructed using code level and data ...
    • 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 a new code family based on SAC-OCDMA system with large cardinality for OCDMA network 

      Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil; R. A., Ahmad; Mohamad Naufal, Mohamad Saad, Dr. (Elsevier Inc., 2011-07)
      We have proposed a new Multi-Diagonal (MD) code for Spectral Amplitude - Coding Optical Code Division Multiple Access (SAC-OCDMA). Although this new MD code has many properties, one of the important properties of this code ...
    • The development of FPGA-based wireless channel simulator using LabVIEW 

      Nor Aswani, Mamat; Razali, Ngah, Assoc. Prof. Dr.; Chude-Okonkwo, Uche Anicetus K Chude, Dr.; Muhamad Asmi, Romli (Penerbit UTM Press, 2013)
      The development of channel model for wireless communication system is currently becoming important to fulfill the entire user's requirements and increasing demand where to provide a good communication link between the users ...
    • A Dielectric Resonator Antenna with Enhanced Gain and Bandwidth for 5G Applications 

      Irfan, Ali; Mohd Haizal, Jamaluddin; Abinash, Gaya; Hasliza, A. Rahim (MDPI AG, 2020-01)
      In this paper, a dielectric resonator antenna (DRA) with high gain and wide impedance bandwidth for fifth-generation (5G) wireless communication applications is proposed. The dielectric resonator antenna is designed to ...
    • Disinfestation of Rhyzopertha dominica (F.) using microwave heat treatment to the Malaysian paddy 

      Manjur, Ahmed; Fareq, Malek, Dr.; R., Badlishah Ahmad, Assoc. Prof. Dr.; Md. Mostafijur, Rahman; Khairudi, Mohd Juni (World Academy of Science, Engineering and Technology (WASET), 2011-09)
      Dielectric spectroscopy was used to analyze Rhyzopertha dominica (F.) or lesser grain borer for microwave heat treatment to Malaysian paddy MR219. The temperature dependency of the dielectric properties of Rhyzopertha ...
    • A divided spectrum balanced detection technique for intensity noisereduction in SAC OCDMA systems 

      Ahmed M., Alhassan; Nasreen, Badruddin, Dr.; Mohamad Naufal, Mohamad Saad; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (Elsevier GmbH, 2013-12)
      In this paper we propose a simple divided spectrum balanced detection (DSBD) for spectral amplitudecoding (SAC) optical code division multiple access (OCDMA) systems. SAC OCDMA systems are limited byphase induced intensity ...
    • A dual band planar monopole antenna with inverted-M parasitic plane 

      Nurul, H. M R; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Ibrahim, M.I.; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2007)
      Introduction of parasitic plane as additional radiator helps to produce desired resonant frequencies, while helping to minimize the size of the antenna. A dual-band monopole antenna with parasitic plane is designed to ...
    • 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 ...
    • The effect of conductor line to meander line antenna design 

      Misman, D.; Salamat, I.A.; Abdul Kadir, M.F.; Che Rose, M.R.; Mohd Shah, M. S R; Abd Aziz, M.Z.A.; Husain, M.N.; Soh, Ping Jack (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      In this paper, the meander line antenna (MLA) have been designed to operate at 2.4-GHz for WLAN application. Two different designs of meander line antenna are investigated, without conductor line and with conductor line. ...