A quadrifilar antenna for GPS applications is designed by HFSS. This quadrifilar antenna has four helical arms wound around a dielectric cylinder which has high permittivity and low loss. The four arms are fed with equal amplitudes with 0°, 90°, 180°, 270° phase by integrated feeding network. Through precisely control of phase and design of high permittivity ceramic, quadrifilar antenna obtains proper resonant frequency and good radiation pattern. The effects including resonant frequency, axial ratio, radial pattern, impedance, gain, efficiency are simulated.


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    Title :

    Design of dielectrically-loaded printed quadrifilar helical antenna for GPS applications


    Contributors:


    Publication date :

    2006-09-01


    Size :

    1248986 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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