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Antenna Simulation with XFDTD Dan Yi September 17, 2004 XFDTD - PowerPoint PPT Presentation

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Antenna Simulation with XFDTD Dan Yi September 17, 2004 XFDTD & FDTD XFDTD Three dimensional full wave electromagnetic solver based on the Finite Difference Time Domain method (FDTD) FDTD Solves Maxwells equations in time

  1. Antenna Simulation with XFDTD Dan Yi September 17, 2004

  2. XFDTD & FDTD XFDTD � Three dimensional full wave electromagnetic solver based on the Finite Difference Time Domain method (FDTD) FDTD � Solves Maxwell’s equations in time domain � Space is segmented into box-shaped “cell” � Time is quantized into small steps which represent the time required for the field to travel from one cell to the next

  3. Horn Antenna

  4. Horn Antenna Simulation(1) • Import .SAT file

  5. Horn Antenna Simulation(2) • Mesh the antenna model

  6. Horn Antenna Simulation(3) • Set excitation

  7. Horn Antenna Simulation(4) • Set Port

  8. Horn Antenna Simulation(5) • Save Transient Field Snapshots

  9. Horn Antenna Simulation(6) • Run calculation

  10. Simulation Results

  11. Transient Field

  12. Next to do… • 3 antenna in a ring • 3 antenna in a triangle

  13. Question?

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