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sumithra

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About sumithra

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  1. Dear experts, Kindly help me out in clarifying my doubts in time domain analysis. 1. I would like to know procedure to find the fidelity factor and group delay between 2 uwb antennas. 2. Type of pulse suited for performing time domain analysis without interfering with notch band.
  2. Dear experts, Kindly help me out in clarifying my doubts in time domain analysis. 1. I would like to know procedure to find the fidelity factor and group delay between 2 antennas. 2. Type of pulse suited for performing time domain analysis without interfering with notch band.
  3. Hi Wilco Strydom, Thank you so much for your valuable suggestions.
  4. Dear Experts, In UWB case (3.1GHz -10.6GHz) for covering such a broad spectrum, 1. How many modes could be requested? ( if 3 modes are requested then what should be sorting frequency). 2. How many frequency samples can be requested for freq of 3Ghz and 10.6Ghz, such that there is no mode tracking error? 3. Finally, How to perform excitation with the knowledge three modes alone to cover the entire band with 7.5GHz?
  5. Dear Experts, KIndly suggest excitation methods used in CMA other than ICE, CCE, probe fed mechanism to excite modes, Excitation based on symmetry. kindly help
  6. Hi, I would like to implement in Editfeko the above said procedure to read the impedance matrices ( generated from multiple .pre files) for a loop of frequency (say 1.35e9,1.5e9,20). Suggest me the modifications needed to achieve the objective. I tried but i cant pick the points to read. please find the steps below for your vetting. pl do the needful. ** End of geometry EG: 1 : 0 : 0 : : : 1e-06 : : : : : : : 1 ** Define start and end frequencies #start_frequency = 1.35e9 #end_frequency = 1.5e9 ** Define number of frequency points #frequency_points = 20 ** Define the number of impedances requested in the input file #impedance =1 ** Loop over the frequency points !!for #i = 1 to #frequency_points step 1 ** Calculate the frequency for this loop iteration #this_frequency = #start_frequency + (#i-1)*(#end_frequency-#start_frequency)/(#frequency_points-1) ** Set a single frequency using this loop frequency FR: : : : : : #this_frequency ** Calculate the correct line in the input file to read #point_to_read = (#i-1)*(impedance)+1 ** Sources AE: 0 : : Union1.Face2 : -2 : 1 : 1 : 0 : 50 ** VoltageSource1 ** Import the impedance data using the required point number AE: 0 : 1 : #point_to_read : #impedance : 1 : 0 : 0 : 0 : 0 : 0 : 0 : 0 : "dipole_FarField1.out" ** Request impedance to confirm correct import AE: 0 : : Union1.Face2 : -2 : 1 : 1 : 0 : 50 **Test VoltageSource1 DA: 0 : 0 : 0 : 0 : 0 : 0 : 0 : 0 : 0 : 0 : 0 ** End of FOR loop !!next
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