Now showing items 1-15 of 15

    • 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 and development of pyramidal microwave absorber using agricultural waste 

      Nornikman, Hassan (Universiti Malaysia Perlis (UniMAP)School of Computer and Communication Engineering, 2011)
      Agriculture waste has potential to be used as an alternative material for the microwave absorber that used in the RF anechoic chamber. Compared to the current material that used in the commercial market such as polystyrene ...
    • Design of pyramidal microwave absorber using agriculture waste with different resin content percentage 

      Nornikman, Hassan; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Wee, Fwen Hoon (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Agriculture waste has many potential to produce an alternative and beneficial product for any suitable application such as microwave absorber for anechoic chamber. In this work, agriculture waste like rice husk from ...
    • 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 ...
    • Effect on source signal condition for pyramidal microwave absorber performance 

      Nornikman, Hassan; Fareq, Malek, Dr.; Soh, Ping Jack (Institute of Electrical and Electronics Engineers (IEEE), 2010-05-11)
      In designing a microwave absorber for anechoic chamber, there are many condition can affect the performance of microwave absorber. In this work, four conditions are discussed to compare the reflectivity or S11 of the ...
    • Free space measurement technique on dielectric properties of agricultural residues at microwave frequencies 

      Wee, Fwen Hoon; Soh, Ping Jack; Mohd Suhaizal, Abu Hassan; Nornikman, Hassan; Mohd Ezanuddin, Abdul Aziz (Institute of Electrical and Electronics Engineering (IEEE), 2009-11-03)
      Principles to determine dielectric properties measurement using microwave free-space transmission measurements technique is presented in this paper. The project's main objective was to measure the dielectric properties of ...
    • HAPS-Antenna On Air 

      Mohd. Fareq, Abd. Malek, Dr.; Muhammad Ezanuddin, Abdul Aziz; Soh, Ping Jack; Nornikman, Hassan; Nurul Husna, Mat Rus; Mohd Ezral, Baharudin (Malaysian Invention and Design Society (MINDS), 2010-05-14)
      Novel antenna design incorporating metamaterial conceptual structure that was founds able to enhance bandwidth and achieve good VSWR.
    • Microwave wedge absorber design using rice husk - An evaluation on placement variation 

      Nornikman, Hassan; Soh, Ping Jack; Fareq, Malek, Dr.; Azremi, Abdullah Al Hadi; Wee, Fwen Hoon; R. Badlishah, Ahmad, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)
      Placement variation is one example of parameters that critically affects the performance of RF absorbers. In this work, four designed variation patterns - W, X, Y, and Z were discussed to compare the reflectivity (Sll) ...
    • Parametric studies of the pyramidal microwave absorber using rice husk 

      Nornikman, Hassan; Fareq, Malek, Dr.; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Wee, Fwen Hoon; Hasnain, A. (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Agriculture waste has potential to be used as an alternative material for the microwave absorber used in the anechoic chamber. Compared to the current materials used, such as polystyrene and polyurethane, agricultural waste ...
    • Performance simulation of pyramidal and wedge microwave absorbers 

      Nornikman, Hassan; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Anuar, Mat Safar (Institute of Electrical and Electronics Engineering (IEEE), 2009-05-25)
      Anechoic chambers signal absorption capability is directly correlated to its performance. One of the main components in enabling signal absorption is the design and material used in designing the absorbers. Two of the main ...
    • Reflection loss performance of hexagonal base pyramid microwave absorber using different agricultural waste material 

      Nornikman, Hassan; Fareq, Malek, Dr.; Soh, Ping Jack; Azremi, Abdullah Al Hadi (Institute of Electrical and Electronics Engineers (IEEE), 2010-11-08)
      Hexagonal base pyramid microwave absorber is the new design of microwave absorber. In this work, two sub-shapes are considered to compare it reflection loss performance. The shapes are hexagonal and truncated hexagonal ...
    • Rice husks microwave absorbers 

      Mohd Fareq, Abd Malek; Nornikman, Hassan; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Supri, A. Ghani (Universiti Malaysia Perlis (UniMAP), 2010-12)
    • Rubber tire dust-rice husk pyramidal microwave absorber 

      Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr.; O., Nadiah; Nornikman, Hassan; M., Ahmed; M. Z. A., Abd Aziz; A. R., Osman; Soh, Ping Jack; Azremi, Abdullah Al Hadi; A., Hasnain; Mohd Nasir, Taib (EMW Publishing, 2011)
      Rubber tire dust-rice husk is an innovation in improving the design of pyramidal microwave absorbers to be used in radio frequency (RF) anechoic chambers. An RF anechoic chamber is a shielded room covered with absorbers ...
    • Setup and results of pyramidal microwave absorbers using rice husks 

      Nornikman, Hassan; Fareq, Malek, Dr.; Ahmed, M.; Wee, Fwen Hoon; Soh, Ping Jack; Azremi, Abdullah Al Hadi, Dr.; Ghani, S. A.; Hasnain, A.; Taib, M. N. (EMW Publishing, 2011)
      Agricultural wastes are considered not useful and are commonly dumped or burned after crop harvesting. Rice husks from paddy (Oryza sativa) are example of agricultural wastes. Rice husks have been investigated as the ...
    • Study and simulation of an edge couple split ring resonator (EC-SRR) on truncated pyramidal microwave absorber 

      Nornikman, Hassan; Badrul Hisham, Ahmad, Assoc. Prof. Dr.; Mohamad Zoinol Abidin, Abd. Aziz; Mohd. Fareq, Abd. Malek, Dr.; H, Imran; Ali Rani, Othman (EMW Publishing, 2012)
      Split ring resonator (SRR) structure can potentially be incorporated onto the truncated pyramidal microwave absorber. This study considers three different patterns of edge couple split ring resonator (EC-SRR) designs. Each ...