Acoustic radar project for students

In summary, the conversation discusses an article in the American Journal of Physics that describes how to build an acoustic radar by using a carrier modulated with pseudo-noise code and receiving the reflection with a directional microphone. This project was originally conceived as a radar or lidar simulator. The term "sonar" can also be used to refer to acoustic radar.
  • #1
cowboy3
3
0
I came across an article in American Journal of Physics recently that describes how to build an acoustic radar by transmitting a carrier modulated with pseudo-noise code through a speaker and simultaneously receiving the reflection with a directional microphone. One then does some signal processing to get the resulting pulse profile as a function of distance. It was originally conceived as a radar or lidar simulator.

http://ajp.aapt.org/resource/1/ajpias/v79/i12/p1240_s1

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  • #2
Hi cowboy3, welcome to PF

That seems like a pretty fun project!

Btw, another word for "acoustic radar" is "sonar".
 
  • #3
I think the term acoustic radar and sodar are commonly used for sonar in air though sonar is correct also.
 

Related to Acoustic radar project for students

1. What is an acoustic radar project?

An acoustic radar project is a scientific project that involves using sound waves to detect and track objects in a similar way to traditional radar. However, instead of using radio waves, an acoustic radar project uses sound waves.

2. How does an acoustic radar work?

An acoustic radar works by emitting sound waves towards a target and then measuring the time it takes for the sound waves to bounce back. The time and strength of the returned sound waves can then be used to determine the location, size, and speed of the target object.

3. What materials are needed for an acoustic radar project?

The materials needed for an acoustic radar project include a sound source, a receiver, and a processing unit. The sound source can be a loudspeaker or a microphone, while the receiver can be a microphone or a piezoelectric sensor. The processing unit can be a computer or a microcontroller.

4. What are some potential applications of an acoustic radar project?

Some potential applications of an acoustic radar project include detecting and tracking moving objects, monitoring traffic flow, and detecting wildlife in their natural habitat. It can also be used for security purposes, such as detecting intruders or monitoring the movement of vehicles.

5. Can students participate in an acoustic radar project?

Yes, students can definitely participate in an acoustic radar project. It is a great opportunity for students to gain hands-on experience with scientific research and technology. There are many resources and tutorials available online that can help students get started with their own acoustic radar project.

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