- #1
In summary, the conversation revolved around a picture of an S-shaped antenna and the question of why people design such antennas. The image was compared to DNA strands or molecular models, and it was suggested that the OP may have gotten the image from a Google Images search. The concept of yogi antennas was also briefly mentioned. The conversation was closed due to parallel posting and a request to continue the discussion in another thread.
- #2
berkeman
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What the heck is that thing? It looks like some strangely shaped DNA strands or some molecular model...qnach said:
- #3
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And why do you think that is a picture of an antenna?qnach said:
- #4
berkeman
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I did a Google Images search on the picture, but didn't get any direct hits. Guess we'll need to wait for the OP to come back and tell us where they got the image...
https://s-media-cache-ak0.pinimg.com/736x/49/66/75/496675704ea53d67425e94f93c1a059e.jpg
https://www.fkf.mpg.de/155665/ag2nio2-1335440668.jpg
http://www.skylanderscharacters.com/images/blue-bash-vote.png
https://s-media-cache-ak0.pinimg.com/736x/49/66/75/496675704ea53d67425e94f93c1a059e.jpg
https://www.fkf.mpg.de/155665/ag2nio2-1335440668.jpg
http://www.skylanderscharacters.com/images/blue-bash-vote.png
- #5
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EGADS ... giant gummy bear antennas !berkeman said:
- #6
berkeman
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Quiz Question -- Sketch the antenna patterns...phinds said:
- #7
jtbell
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berkeman said:Quiz Question -- Sketch the antenna patterns...
Would it be anything like a yogi antenna?
<ducking>
- #8
Baluncore
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- #9
berkeman
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Thanks Baluncore. This thread is closed -- the discussion should be kept in the other thread.Baluncore said:
Related to Why is the S-shaped antenna design popular?
1. How does the shape of an antenna affect its performance?
The shape of an antenna can greatly impact its performance. Certain shapes, such as a dipole or Yagi, are designed to maximize the transmission and reception of radio waves. Other shapes, like a loop or helical antenna, are better suited for specific frequency ranges. The shape of an antenna determines its radiation pattern, which affects how the antenna can send and receive signals.
2. What factors should be considered when choosing the shape of an antenna?
When choosing the shape of an antenna, factors such as frequency range, gain, directivity, and polarization must be considered. The shape of an antenna must also be suitable for its intended use and location, as external factors such as interference and obstructions can affect its performance.
3. How does the shape of an antenna affect its bandwidth?
The shape of an antenna can affect its bandwidth, or the range of frequencies that it can efficiently transmit and receive. Certain shapes, like a monopole or dipole, have a wider bandwidth compared to others. The shape of an antenna also determines its resonant frequency, which affects its ability to transmit and receive signals within a specific frequency range.
4. Can the shape of an antenna be changed to improve its performance?
Yes, the shape of an antenna can be altered to improve its performance. This can be done by adjusting the dimensions, adding additional elements, or changing the angle of the antenna. However, it is important to note that changing the shape of an antenna may also affect other factors, such as its bandwidth and directivity.
5. How do computer simulations help in determining the optimal shape of an antenna?
Computer simulations allow scientists to model and analyze different antenna shapes and their performance in various scenarios. This helps in determining the optimal shape of an antenna for a specific application, as well as identifying potential issues or limitations that may arise with a particular shape. Computer simulations also allow for quicker and more cost-effective testing compared to physical prototypes.
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