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i need help about radiation pattern of monopole antenna plot in CST. In 3D pattern its doughnut shaped , but when choose phi=0 , i not get full circle. my antenna is placed in X-Y Plane. if i choose theta=0 then the complete circle i getting in polar form. should i have to choose theta =0 for...
if one antenna with dimension 30x20mm is resonating before inserting slot at 4 GHZ and after slot the antenna resonating frequency reduces to 2.8 GHz . how we will determine the miniaturization ratio of it???or how much the antenna is miniaturized.
thanks for your reply.
I read few research papers of printed monopole which focuses on LTE 700 MHZ band. It use ground plane dimension ( length = 94mm and width is 60mm ) with a substrate 4.4 and thickness 0.8 mm.
from formula the ground plane should be near 53 mm.
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