swan ™ training design and analysis examples
TRANSCRIPT
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SWANSWAN™™ Training TrainingDesign and Analysis ExamplesDesign and Analysis Examples
www.swan-soft.com
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Yin Yin
Ysub =1 / YinYsub =1 / Yin
Example 1: The concept of overloading (1)Example 1: The concept of overloading (1)
Problem: bandwidth enlargement
Solution: Reduced number of slots for each section Centre feeding Overloading Mismatching a centre frequency
12×1, WR90, f0=9.375GHz
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Example 1: The concept of overloading (2)Example 1: The concept of overloading (2)
Yin=2.0 Ysub=0.5 Yin=2.0
DESIGN ANALYSIS
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Example 1: The concept of overloading (3)Example 1: The concept of overloading (3)
Yin=1.0 Ysub=1.0 Yin=1.0
DESIGN ANALYSIS
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Yin=0.9 Ysub=1.111
Example 1: The concept of overloading (4)Example 1: The concept of overloading (4)
Yin=0.7
DESIGN ANALYSIS
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Example 1: The concept of overloading (5)Example 1: The concept of overloading (5)
Yin=0.7 Ysub=1.428 Yin=0.7
DESIGN ANALYSIS
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Example 2: Traveling wave – type 1Example 2: Traveling wave – type 1
24×1, WR90, f0=9.375GHz, SLR=35dB, 0=88°DESIGN
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Example 3: Traveling wave – type 2Example 3: Traveling wave – type 2
24×1, WR90, f0=9.375GHz, SLR=35dB, L=0.4DESIGN
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Example 4: Cosecant pattern (1) Example 4: Cosecant pattern (1)
18×18, WR90, f0=9.375GHz, Centre feeding, E-plane: Tayor, SLR=35 dB,
H-plane: Cosecant, Dmin/H=2, Dmax/H=30
DESIGN
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Example 4: Cosecant pattern (2) Example 4: Cosecant pattern (2)
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Example 5: Beam steering slotted SIW arrayExample 5: Beam steering slotted SIW array
12×12, SIW (a/p/d = 13/2/1 mm), f0=11.575GHz, Centre feeding, Beam pointing = 45° elevation
DESIGN
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Example 6: Slotted waveguide BFN (1)Example 6: Slotted waveguide BFN (1)
8×12, WG (a/b=22.86/5.08 mm), f0=9.6GHz, Centre-fed, WG BFN divided into 2 sections,E/H-plane: Tayor, SLR=30 dB,
DESIGN
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Example 6: Slotted waveguide BFN (2)Example 6: Slotted waveguide BFN (2)
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Example 7: Array divided in sub-sectionsExample 7: Array divided in sub-sections
18×18, WG (a/b=22.86/85.08 mm), f0=9.6GHz, Centre-fed, WG BFN divided into 3 sections,Slotted waveguide divided into 3 sections, E/H-plane: Tayor, SLR=35 dB,
DESIGN