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s11 feko

时间:03-31 整理:3721RD 点击:
Hi everyone,
I'm using Feko v5.2 but have many troubles. In some cases, the result of S11 and VSWR are different. (I use Feko to simulate PIFA)
Can someone help me!

What is your mesh density? Problems are often related to sub-optimal meshing.

Very good PIFA results from models on the FEKO website:
- Inverted F antenna
- Conformal multi-band patch antenna

You can download FEKO 5.2 model for both cases (if you log in).

Thanks EMscuba. But even in result, I see the difference between S11 and VSWR. What made such thing happen?

HI I AM ALSO HAVING THE SAME PROBLEM.....
COULD ANYONE EXPLAIN ME IN DETAIL ABOUT MESHING(WIRE SEGMENT RADIUS,..) , I AM IN LEARNING STAGE...I WANT TO DESIGN LPDA ANTENNA..BUT I AM NOT GETTING GOOD GAIN(UP AND DOWN 3-(-2)),VSWR(SIMILARLY IN THE ABOVE CASE), IMPEDANCE(IN SOME Kohms) AND S11(GETTING BELOW 0.95-0.4)

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