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Recent content by Ram_sek

  1. R

    Metamaterial substrate fabrication

    Yes I am learning to simulate it. Im interested to know how substrates are fabricated in real time.
  2. R

    Metamaterial substrate fabrication

    Hi friends, I want to fabricate a meta-material substrate for my project. I'm working for first time in microwave engineering. So please tell me how to fabricate substrates ??
  3. R

    Band pass filter design in HFSS

    Hi friends, I have designed 3 rd order band pass filter in HFSS. For short circuit stubs, i used a small cylinderical hole in HFSS with radius as 0.4mm. Is there any standard formula or dimension ? Please guide me
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    Issue in de-punctured Convolutional Code

    Hi I tried a simple OFDM program with punctured convolutional codes. But there is an issue in de-puncturing so my graph for SNR vs BER is a flat response. My code is as below. Please help me out why im getting bad graph like this.. N = 10^3; SNR_dB = [0:24]; M=4; for ii =...

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