Determining the Correct Radio Frequency

In summary, wood is not a good reflector of RF energy. You probably need to do something different for this.
  • #1
inno87
6
0
I am building a project where an object will be fitted with an RF transceiver and where it will face wooden walls as obstacles, with constant thickness "t". I am trying to look for an equation that would give the appropriate radio frequency that I would need to generate to have a radio wave either:

A. Reflect at the 1st wooden wall directly in front of the object and then be received directly by the object.

B. Pass through x number of wooden walls in front of the object that is transmitting the wave and reflect at the x+1 wall, where the reflected wave would pass back through the same x number of wooden walls and be received at the object.

For example:

-Have the wave reflect at the first wall and reflect back directly to the object's receiver.

-Have the wave pass through the 1st wall, reflect at the 2nd wall, and then pass through the 1st wall to be received back at the object's receiver.

-Have the wave pass through the 1st and 2nd wall, reflect at the 3rd wall, and then pass through the 1st and 2nd wall to be received back at the object's receiver.

And so on..

In each of these cases, I would probably need to generate a specific radio frequency. The question is what would be the equation/theory in order to determine each of these frequencies? I also would assume that wood has an attenuation constant that I would have to account for.
 
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  • #2
inno87 said:
I am building a project where an object will be fitted with an RF transceiver and where it will face wooden walls as obstacles, with constant thickness "t". I am trying to look for an equation that would give the appropriate radio frequency that I would need to generate to have a radio wave either:

A. Reflect at the 1st wooden wall directly in front of the object and then be received directly by the object.

B. Pass through x number of wooden walls in front of the object that is transmitting the wave and reflect at the x+1 wall, where the reflected wave would pass back through the same x number of wooden walls and be received at the object.

For example:

-Have the wave reflect at the first wall and reflect back directly to the object's receiver.

-Have the wave pass through the 1st wall, reflect at the 2nd wall, and then pass through the 1st wall to be received back at the object's receiver.

-Have the wave pass through the 1st and 2nd wall, reflect at the 3rd wall, and then pass through the 1st and 2nd wall to be received back at the object's receiver.

And so on..

In each of these cases, I would probably need to generate a specific radio frequency. The question is what would be the equation/theory in order to determine each of these frequencies? I also would assume that wood has an attenuation constant that I would have to account for.
Welcome to the PF. :smile:

Dry wood is not a good reflector of RF energy. You probably need to do something different for this. Is this for a maze-navigating robot or something?
 
  • #3
Hi Berkemen,

Yes that is correct, it is for maze-navigating robot. The material is already fixed and cannot be changed.
 

FAQ: Determining the Correct Radio Frequency

1. How do you determine the correct radio frequency?

The correct radio frequency can be determined by analyzing the properties of the materials you are working with, understanding the potential interference from other technologies, and considering your specific communication needs.

2. What factors affect the choice of radio frequency?

The choice of radio frequency is affected by several factors, including the distance between the transmitter and receiver, the type of signal being transmitted, the desired bandwidth, and the availability of different frequencies in your location.

3. Why is it important to choose the correct radio frequency?

Choosing the correct radio frequency is important because it ensures efficient and reliable communication. Using an incorrect frequency can result in signal interference, leading to poor transmission and reception quality.

4. How do you avoid interference when determining the correct radio frequency?

To avoid interference, it is important to conduct a thorough analysis of the frequency spectrum in your area. This will help identify potential sources of interference, such as other radio signals or electronic devices, and allow you to choose a frequency that is less likely to experience interference.

5. Can the correct radio frequency change over time?

Yes, the correct radio frequency can change over time due to various factors such as changes in the environment, technological advancements, and the introduction of new communication systems. It is important to regularly reassess and adjust the radio frequency to ensure optimal performance.

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