Why the feed side is open? (Slotted waveguide example)
Hi, I’m trying to simulate slotted waveguide antenna using the function ‘waveguideSlotted’ of antenna toolbox.
However, the example shows that the one face on the feed side is open (not blocked by PEC surface).
Anyone knows why this exmple was made in this way?
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The waveguideSlotted object creates a slotted waveguide antenna and the waveguide object is an open-ended rectangular waveguide. The waveguide object is often initialized as an open-ended rectangular waveguide for simplicity and convenience. The choice of an open-ended rectangular waveguide as a default is based on several practical considerations:
- Common use case: Open-ended rectangular waveguides are one of the most commonly used waveguide configurations in practice. They are widely employed in various applications, including RF and microwave systems.
- Ease of simulation: Open-ended rectangular waveguides are relatively straightforward to simulate and analyze, making them a good starting point for users who are new to waveguide simulations or antenna design.
- Design flexibility: While an open-ended rectangular waveguide is used as a default, the Antenna Toolbox provides the flexibility to change various parameters, such as the dimensions and excitation method, to model other types of waveguides accurately.
- Educational purposes: Choosing a commonly encountered waveguide type allows users to experiment with the Antenna Toolbox and understand waveguide behavior and antenna characteristics better.
It’s important to note that the choice of an open-ended
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