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Found 2 results

  1. Hello, I have modeled a linear array of dipoles along the X-axis (all dipoles being oriented along the Z-axis). All dipoles have been excited uniformly using voltage sources. According to the theory, the main beam can be steered if a progressive phase shift could be applied to the input. So, to achieve a 30 degree beam scan, I have assigned the phase (in the phase column of the voltage source dialogue box) to be 0, 30, 60, 90, ..., 720 starting from the first to the 25th dipole element. For this configuration it is expected to get the main beam at 120 deg, but I could get the main beam at 99.5 deg (I have attached the FEKO file here). What am I doing wrong? How can I get the desired scanning? Please suggest. Thank you in advance. uniform25.cfx
  2. Hi, I have a 4by4 symmetrical phased array, but something strange is happening with my S-parameters. Because my array is symmetrical, the following should approximately be the same: S11=S1616, S21 = S1516 etc. However, when I look in my .s16p file, S1516 is -180 degrees shifted in phase with respect to S21. What causes this shift? Thanks in advance! MWA_tile_sur_v3.cfx MWA_tile_sur_v3.cfx.bak MWA_tile_sur_v3.fek MWA_tile_sur_v3.opt MWA_tile_sur_v3.out MWA_tile_sur_v3.pfg MWA_tile_sur_v3.pre MWA_tile_sur_v3.str MWA_tile_sur_v3_SParameter1.s16p MWA_tile_sur_v3.bof MWA_tile_sur_v3.cfm MWA_tile_sur_v3.cfs
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