Nurul Syahirah Khalid
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Preferred name
Nurul Syahirah Khalid
Official Name
Nurul Syahirah, Khalid
Alternative Name
Khalid, Nurul Syahirah
Khalid, N. S.
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Scopus Author ID
57211391691
Researcher ID
CZU-5405-2022

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  • Publication
    Development of five port reflectometer for reflection based sensing system
    ( 2017-03-13)
    Setno Baharuddin
    ;
    Cheng Ee Meng
    ;
    Lee Kim Yee
    ;
    Siti Khadijah Za'aba
    ;
    Nurul Syahirah Khalid
    ;
    Zulkifly Abbas
    ;
    Nashrul Fazli Mohd Nasir
    ;
    Mohd Afendi Rojan
    ;
    Zulkarnay Zakaria
    Five-Port Reflectometer is a microwave passivedevice where it implements the six-port algorithm to measure the complex reflection coefficient of material under test (MUT) through reflection on interface between MUT and microwave sensor. Initially, the Six-Port Reflectometer (SPR) was introduced by Engen in 1977 and major component used insix-port technique was designed in many types. When Riblet and Hanssonproposed ring junction with 5 ports only on 1981. Six ports ring junction has been reduced to five ports. In this paper, a dual frequency five ports ring junction circuit was designed, simulated and fabricated for reflection based sensing system. The fabricated five port ring junction is operating at frequencies of 0.64 GHz and 2.42 GHz. The measured result had good agreement with the simulated results for dual frequencies in terms of magnitude and phase.
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