Designed by Janusz Rudnicki
QuickWave
software for electromagnetic design
Updated: March 19, 2008
Simple single resonator waveguide filter
Fig. 4. The |S21| characteristic obtained from Fourier postprocessing (red) after 30000 iterations
and QProny module (black) after 2060 iterations
and QProny module (black) after 2060 iterations
The structure is a resonator made of two thin irises placed in a rectangular waveguide. This is an example of a very simple resonant structure which shows the weakness of traditional Fourier transform processing of circuits with long impulse response.
Fig. 1. General view of the structure
Fig. 2. QProny window
Fig. 3. The |S21| characteristic obtained from Fourier postprocessing (red)
and QProny module (black) after 2459 iterations
and QProny module (black) after 2459 iterations
Rectangular resonator
Fig. 5. General view of the structure
Fig. 6. Simulation log window for one mode
Fig. 7. Ex field for TE011 mode in the XY and YZ planes
Fig. 8. Simulation log window for four modes
Fig. 9. Ey field for TE101 mode in the XY and XZ planes
Fig. 10. Ez field for TE110 mode in the YZ plane
Fig. 11. Ez field for TE/TM111 mode in the XY and XZ planes