2. Low-profile corrugated feeder horn antenna (Bull's Eye)
Antenna 1 : Results

3. Low-profile corrugated feeder horn antenna (Bull's Eye)
Antenna 1 : sketches, objectives and parameters

4. Antenna Structure: Antenna Parameters
Name
Description f₀
Centre frequency
Wgt
Width of top waveguide
Hgt
Height of top waveguide
Wgb
Width of bottom waveguide
Hgb
Height of bottom waveguide
Lgb
Length of bottom waveguide Ds
Depth of slots H
Overall height of corrugated section Wr
Width of ridges Ws
Width of slots

5. Antenna Structure: Antenna Parameters (2)
Name
Description X
Antenna width Y
Antenna length Z
Antenna height W
Overall width of structure

6. Sketches
Top view
Bottom view (zoom)

7. Sketches (2)
End / side view

8. Design 1: Preview

9. Design 1: Front Side Preview

10. Design 1: Left Side Preview

11. Design 1: Right Side Preview

12. Design 1: Top Side Preview

13. Design 1: Bottom Side Preview

14. Design 1: Design Objectives
Objective Group: Ku-band feeder antenna
Name
Description
Value f₀
Centre frequency
16 GHz

15. Design 1: Physical Parameters
Name
Description
Value
Wgt
Width of top waveguide
11.54 mm
Hgt
Height of top waveguide
2 mm
Wgb
Width of bottom waveguide
15.8 mm
Hgb
Height of bottom waveguide
7.9 mm
Lgb
Length of bottom waveguide
10 mm Ds
Depth of slots
3.4 mm H
Overall height of corrugated section
12 mm Wr
Width of ridges
7 mm Ws
Width of slots

16. Design 1: Derived Quantities
Name
Description
Value X
Antenna width
249.5 mm Y
Antenna length Z
Antenna height
22 mm W
Overall width of structure

17. Low-profile corrugated feeder horn antenna (Bull's Eye)
Antenna 1 : estimated performance charts

18. Reflection coefficient vs frequency

19. Reflection coefficient vs frequency
S-Parameters (reflection)
Design 1
Minimum S11 value
GHz
Frequency at which S11 = -10 dB
17.28 GHz
Reference port 1
50 Ω

20. Radiation pattern (at the centre frequency)

21. Radiation pattern (at the centre frequency)
Gain (Total - normalised)

22. Radiation pattern (at the centre frequency)
Gain (Total - normalised)
Design 1
Peak angle (freq) [φ = 90 °]
19.04 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
6.267 °
Peak angle (freq) [φ = 0 °]
Main 3dB beamwidth (freq) [φ = 0 °]
12.93 °

23. Radiation pattern (at the centre frequency)

24. Radiation pattern (at the centre frequency)
Gain (LHC - normalised)

25. Radiation pattern (at the centre frequency)
Gain (LHC - normalised)
Design 1
Peak angle (freq) [φ = 90 °]
16.03 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
6.267 °
Peak angle (freq) [φ = 0 °]
Main 3dB beamwidth (freq) [φ = 0 °]
12.93 °

26. Radiation pattern (at the centre frequency)

27. Radiation pattern (at the centre frequency)
Gain (RHC - normalised)

28. Radiation pattern (at the centre frequency)
Gain (RHC - normalised)
Design 1
Peak angle (freq) [φ = 90 °]
16.03 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
6.267 °
Peak angle (freq) [φ = 0 °]
Main 3dB beamwidth (freq) [φ = 0 °]
12.93 °

29. Radiation pattern (at the centre frequency)

30. Radiation pattern (at the centre frequency)
Gain (Horizontal - normalised)

31. Radiation pattern (at the centre frequency)
Gain (Horizontal - normalised)
Design 1
Peak angle (freq) [φ = 90 °] -
Main 3dB beamwidth (freq) [φ = 90 °]
Peak angle (freq) [φ = 0 °]
19.04 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 0 °]
12.93 °

32. Radiation pattern (at the centre frequency)

33. Radiation pattern (at the centre frequency)
Gain (Vertical - normalised)

34. Radiation pattern (at the centre frequency)
Gain (Vertical - normalised)
Design 1
Peak angle (freq) [φ = 90 °]
19.04 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
6.267 °
Peak angle (freq) [φ = 0 °] -
Main 3dB beamwidth (freq) [φ = 0 °]

35. Radiation pattern (at the centre frequency)

36. Radiation pattern (at the centre frequency)
Axial Ratio (Handed)

37. Radiation pattern (at the centre frequency)
Axial Ratio (Handed)
Design 1
Maximum axial angle [φ=90 °]
0 @ θ=-180 °
Minimum axial angle [φ=90 °]
Maximum axial angle [φ=0 °]
Minimum axial angle [φ=0 °]

38. Radiation pattern (at the centre frequency)

39. Radiation pattern (at the centre frequency)
Axial Ratio (IEEE)

40. Radiation pattern (at the centre frequency)
Axial Ratio (IEEE)
Design 1
Maximum axial angle [φ=90 °]
80 θ=-180 °
Minimum axial angle [φ=90 °]
Maximum axial angle [φ=0 °]
Minimum axial angle [φ=0 °]

41. Radiation pattern (at the centre frequency)

42. Radiation pattern (at the centre frequency)
Ludwig III (Co)

43. Radiation pattern (at the centre frequency)
Ludwig III (Co)
Design 1
Peak angle (freq) [φ = 90 °]
3.282 θ = -58 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
34.70 °
Peak angle (freq) [φ = 0 °]
19.04 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 0 °]
12.79 °

44. Radiation pattern (at the centre frequency)

45. Radiation pattern (at the centre frequency)
Ludwig III (Cross)

46. Radiation pattern (at the centre frequency)
Ludwig III (Cross)
Design 1
Peak angle (freq) [φ = 90 °]
19.04 θ = 0 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 90 °]
6.252 °
Peak angle (freq) [φ = 0 °]
θ = 37 ° (16 GHz)
Main 3dB beamwidth (freq) [φ = 0 °]
52.84 °