International Journal of Advances in Engineering & Technology, May 2011. ©IJAET
Figure7: Lateral view of the model
The input impedance (real and imaginary part), VSWR, Return loss and radiation pattern for the proposed model are shown in figures below.
Figure8: Imaginary part of input impedance
The frequency characteristics of the input impedance (real and imaginary part) of the gap coupled concentric annular ring microstrip antenna are shown in figure 8 and 9.
Figure9: Real part of input impedance
Vol. 1,Issue 2,pp.151-158
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