problem creating halfwave simple slot antenna radiation pattern

Thread Starter

yef smith

Joined Aug 2, 2020
836
Hello, I am trying to build a half wavelength slot antenna at 10Ghz,so lambda=300/10=30 lambda/2=15 as shown bellow.
for some reason i got two halfs of wavelength in the current distribution.
my slot length is 15mm and i am at 10Ghz.the slot is being excited by descret port.
Why i get two half wavelength?
Where did i go wrong?

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