Browsing Cheng Ee Meng, Dr. by Issue Date

Now showing items 1-20 of 23

    • Harum Manis mango dielectric properties based on maturity 

      Khairudi, Mohd Juni; M.F., Abd Malek; Manjur Murshed, Zahid Ahmed; Ee Meng, Cheng, Dr. (IEEE Conference Publications, 2011)
      This paper presents Harum Manis mango maturity characterizations based on dielectric properties. Currently, Harum Manis maturity is determined by referring to number of weeks of growth and farmer experience. This paper ...

    • A comparative study on the effect of quasi-block hand model specific absorption rate measurement 

      Suzanna H., Ronald; M.F.A., Malek; Hassan, S.I.S; Muhammad Solihin, Zulkefli; Mohd Hafizuddin, Mat; Ee Meng, Cheng, Dr. (2011)
      A candy bar mobile phone with Planar Inverted-F Antenna (PIFA) operating at 900 MHz and 1800 MHz is simulated with two models of quasi-block hand homogeneous and inhomogeneous. Maximum Specific Absorption Rate (SAR) is ...

    • 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 ...

    • Determination of moisture content in oil palm fruits using a five-port reflectometer 

      Yee, Lee Kim; Zulkifly, Abbas; Mohamad Ashry, Jusoh; You, Kok Yeow; Cheng, Ee Meng (MDPI Publishing, 2011-04-06)
      This paper presents the development of a PC-based microwave five-port reflectometer for the determination of moisture content in oil palm fruits. The reflectometer was designed to measure both the magnitude and phase of ...

    • The use of dielectric mixture equations to analyze the dielectric properties of a mixture of rubber tire dust and rice husks in a microwave absorber 

      Cheng, Ee Meng; Mohd Fareq, Abd Malek, Dr.; Manjur Murshed Zahid, Ahmed; You, Kok Yeow; Lee, K. Y.; Nornikman, H. (Progress in Electromagnetics Research (PIER), 2012)
      A change in the relative proportions of a mixture of rubber tire dust and rice husks will cause a change in the mixture's electrical permittivity and its ability to absorb electromagnetic energy. An openended coaxial probe ...

    • Modeling of coaxial slot waveguides using analytical and numerical approaches: Revisited 

      Kok, Yeow You, Dr.; Jamaliah, Salleh; Mohd Fareq, Abd. Malek, Dr.; Zulkifly, Abbas, Prof. Madya Dr.; Cheng, Ee Meng, Dr.; Lee, Kim Yee, Dr. (Hindawi Publishing Corporation, 2012)
      Our reviews of analytical methods and numerical methods for coaxial slot waveguides are presented. The theories, background, and physical principles related to frequency-domain electromagnetic equations for coaxial waveguides ...

    • Precise moisture monitoring for various soil types using handheld microwave-sensor meter 

      You, Kok Yeow; Lee, Chia Yew; Then, Yi Lung; Chong, Sheau Huey Chen; You, Li Ling; Zulkifly, Abbas; Ee Meng, Cheng, Dr. (IEEE Conference Publications, 2013)
      A handheld microwave reflectometer-sensor system is developed to operate from 1.35 to 1.95 GHz and used to measure volumetric and gravimetric moisture content in various types of soils from 0% to 45%. A small monopole ...

    • An experimental thickness of microwave absorber effect absorption in Ku-band frequency 

      Lee, Yeng Seng; Fareq A., Malek; Ee Meng, Cheng, Dr.; Liu, W. W.; Wee, F. R.; Muhammad Nadeem, Iqbal; Z. Y., Liyana; Mohd Nazri, Abdul Karim; M. F., Haji Abd Malek (IEEE Conference Publications, 2013)
      This paper presents the different thickness of rice husk microwave absorber effects microwave absorption performance. The sample microwave absorber was fabricated using rice husk material. The complex permittivity will be ...

    • Experimental determination of the performance of rice husk-carbon nanotube composites for absorbing microwave signals in the frequency range of 12.4-18 GHz 

      Lee, Yeng Seng; Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr.; Liu, Wei Wen, Dr.; Kok, Yeow You; Muhammad Nadeem, Iqbal; Wee, Fwen Hoon, Dr.; Khor, Shing Fhan, Dr.; Liyana, Zahid; Mohd Fariz, Haji Abd Malek (EMW Publishing, 2013)
      Composites of rice husks and carbon nanotubes (RHC-NTs) are an innovation in improving the absorption of microwave signals. Rice husks, which are an agricultural waste material, have been found to possess a significant ...

    • Modelling of multi-axial ultimate elastic wall stress (UEWS) test for glass fibre reinforced epoxy (GRE) composite pipes 

      Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Ruslizam, Daud, Dr.; Nasrul Amri, Mohd Amin, Dr.; Azizul, Mohamad; Cheng, Ee Meng, Dr.; Gibson, A. G. (Trans Tech Publications, 2013)
      This paper describes the modeling of multiaxial ultimate elastic wall stress (UEWS) at room temperature for glass fibre reinforced epoxy (GRE) composite pipes. The model developed, predicts the stress-strain response caused ...

    • Optical properties of ultraphosphate glasses containing mixed divalent zinc and magnesium ions 

      Khor, Shing Fhan, Dr.; Zainal Abidin, Talib, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Cheng, Ee Meng, Dr. (Elsevier B.V., 2013-01)
      Ternary zinc magnesium ultraphosphate glasses corresponding to (ZnO)x (MgO)30 x (P2O5)70 were prepared by melt quenching technique in the range of 5 6 x 6 20 mol%. The optical absorption spectra of the glasses were ...

    • 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. ...

    • Dielectric spectroscopy of pharmaceutical drug (Paracetamol) dosage in water 

      Cheng, Ee Meng, Dr.; Mohd Fareq, Abd. Malek, Dr.; Farrah Salwani, Abdullah; Wee, Fwen Hoon; Khor, Shing Fan; Lee, Yeng Seng; Mohd Afendi, Rojan, Dr.; Mohd Shukry, Abdul Majid, Dr.; Shahriman, Abu Bakar, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Liyana, Z. Y. (IEEE Conference Publications, 2013-12)
      This paper discuss about the dielectric measurement on different concentration of pharmaceutical drug using Agilent 85070E High-Temperature and Slim form probe. A microwave dielectric measurement is set up to measure dosage ...

    • General lifetime damage model for glass fibre reinforced epoxy (GRE) composite pipes under multiaxial loading 

      Azizul, Mohamad; Mohd Afendi, Rojan, Dr.; M, Hekman; Gibson, A.G; Mohd Shukry, Abdul Majid, Dr.; Nasrul Amri, Mohd Amin, Dr.; Ruslizam, Daud, Dr.; Meng, Cheng Ee, Dr. (Trans Tech Publications, 2014)
      This paper presents the modelling of a general lifetime performance for glass fibre reinforced epoxy (GRE) composite pipes similar to the well-known Tsai-Hill interactive failure criterion. Tsai Hill criterion is based ...

    • General lifetime damage model for glass fibre reinforced epoxy (GRE) composite pipes under multiaxial loading 

      Mohd Shukry, Abdul Majid, Dr.; Mohd Afendi, Rojan, Dr.; Nasrul Amri, Mohd Amin; Ruslizam, Daud, Dr.; Azizul, Mohamad; Cheng, E.M.; Gibson, A.G.; M. Hekman (Trans Tech Publications, 2014)
      This paper presents the modelling of a general lifetime performance for glass fibre reinforced epoxy (GRE) composite pipes similar to the well-known Tsai-Hill interactive failure criterion. Tsai Hill criterion is based on ...

    • Study of dual open ended coaxial sensor system for calculation of phase using two magnitudes 

      Lee, Kim Yee; Chung, Boon Kuan; You, Kok Yeow; Ee Meng, Cheng, Dr.; Zulkifly, Abbas (IEEE Conference Publications, 2014)
      A dual open ended coaxial sensor system to determine complex permittivity was studied in detail. This paper focuses on determination of a reflection coefficient phase from two magnitudes using modified capacitance model ...

    • Study of dual open ended coaxial sensor system for calculation of phase using two magnitudes 

      Kim, Yee Lee; Boon, Kuan Chung; Kok Yeow, You; Ee Meng, Cheng, Dr.; Zulkifly, Abbas (Institute of Electrical and Electronics Engineers (IEEE), 2014-01)
      A dual open ended coaxial sensor system to determine complex permittivity was studied in detail. This paper focuses on determination of a reflection coefficient phase from two magnitudes using modified capacitance model ...

    • In vitro evaluation of finger's hemodynamics for vein graft surveillance using electrical bio-impedance method 

      Lee, Hoi Leong; Shahriman, Abu Bakar, Dr.; Sazali, Yaacob, Prof. Dr.; Zuradzman, Mohamad Razlan, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Zunaidi I.B; Cheng, Ee Meng, Dr.; Siti Khadijah, Za'aba, Dr.; Shafriza Nisha, Basah, Dr.; Mohd Afendi, Rojan, Dr.; Sharifah Roohi, Syed Waseem Ahmad (American-Eurasian Network for Scientific Information (AENSI), 2014-03)
      Electrical bio-impedance measurement has great potential in many biomedical applications including vein graft surveillance. Studies have shown that thrombosis was the major cause of the vein graft failure. The meticulous ...

    • CFD analysis on mismatched end-to-end internal diameter of RSVG Models 

      M. N., Rahman Y.; Shahriman, Abu Bakar, Dr.; Siti Khadijah, Za'aba, Dr.; Wan Khairunizam, Wan Ahmad, Dr.; Sharifah Roohi, Syed Waseem Ahmad; Hazry, Desa, Assoc. Prof. Dr.; Ahmad Helmy, Abdul Karim M.D.; Shafriza Nisha, Basah, Dr.; Cheng, Ee Meng, Dr.; Mohd Afendi, Rojan, Dr. (American-Eurasian Network for Scientific Information (AENSI), 2014-03)
      A digital arterial disease in upper extremity is uncommon happened compare to arterial disease in lower extremity. A surgical vein graft interposition is performed as revascularization procedure. However, mismatching ...

    • Electromagnetic Properties Performance of MWCNTs/Polyester Composites in X-band 

      Y. S., Lee; F. H., Wee; K. Y., You; C. Y., Lee; Y. Y., Lee; L., Zahid; Nur Hidayah, Ramli; M. S., Shakhirul; Nurulbariah, Idris; E. M., Cheng (EDP Sciences, 2018)
      In this paper presents nano-composites based on polyester (PE) matrix with multi-walled carbon nanotubes (MWCNTs) as fillers have been developed for microwave absorbing materials. The MWCNTs/PE composite samples were ...