{"id":362259,"date":"2024-04-15T13:58:56","date_gmt":"2024-04-15T13:58:56","guid":{"rendered":"\/forum\/forums\/topic\/how-to-calculate-the-received-power-excited-by-non-port-excitations\/"},"modified":"2025-11-10T11:58:11","modified_gmt":"2025-11-10T11:58:11","slug":"how-to-calculate-the-received-power-excited-by-non-port-excitations","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-received-power-excited-by-non-port-excitations\/","title":{"rendered":"How to calculate the received power excited by non-port excitations?"},"content":{"rendered":"

Hi,<\/p>\n

 <\/p>\n

I’m trying to simulate RF harvesting circuit with Ansys HFSS.<\/p>\n

What I want to know is how to calculate the received energy of antenna with non-port excitation sources(plane wave, spherical wave, near field data, far field data). If I have clear transmitting source driven by wave, lumped port, then I can easily calculate the S21 for two ports. However, my excitation is actually near field data computed by other numerical tools. <\/p>\n

I set the port of antenna as lumped port. Edit sources->0W on the port.<\/p>\n

So my questions are<\/p>\n

    \n
  1. How to calculate the received power on antenna from incident wave excitation. (Sum of poynting vector, surface current, etc)<\/li>\n
  2. Can I get the more detailed waveform or voltage\/current from antenna port. If can, How?<\/li>\n<\/ol>\n

    I’m sorry for repeated question that others already posted. But lack of my understanding, I need more clear answer about it:(<\/p>\n

    Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-362259","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t