Questions tagged [sonar]
The sonar tag has no usage guidance.
8
questions with no upvoted or accepted answers
1
vote
0answers
24 views
What is the best technique for underwater imaging?
I am currently researching what the best method to take underwater images/video is. The papers I have read go into several different methods: Lidar, Synthetic Aperture Sonar (SAS), optical camera plus ...
1
vote
0answers
155 views
Interpretation of minimum discernible signal (MDS) in sonar equation
I am working on modelling and simulations of synthetic aperture sonar at component/subsystem level. I have started with standard sonar equations for calculating detection ranges for different ...
1
vote
0answers
249 views
Use of USRP SDR to process sonar?
I have ordered a USRP kit to do radio signal processing in software. Is there a way to use the same device to process sonar data? What would I do upconvert the sonar to 50 MHz?
0
votes
0answers
27 views
How can i identify number of return of the ping in the sonar?
I am writing a fake function which is actually doing active pinging (basically SONAR). I am little confuse here about how to identify the number of sonar return i got ? Let's say i am continuously ...
0
votes
0answers
8 views
Alternatives to MFCCs for Sonar Classification?
Currently I am processing sonar (.wav) files into MFCC features using the librosa library. I use these features as input for sonar classification.
Are there any alternatives to MFCCs -- other ...
0
votes
0answers
22 views
Sonar parameters required for underwater objects shadow formation
I am doing some research on classification of underwater objects using high-frequency sonar. Can anyone kindly guide me what the essential parameters of sonar are resulting in prominent shadow ...
0
votes
0answers
171 views
How to remove echo/reflected-sound caused by stationary objects when building a ultrasound based radar
I am emitting ultrasound with a speaker and am trying to track moving objects with a microphone array by detecting doppler shifts. I have succeeded to detect movement. However, to detect the direction ...
0
votes
1answer
94 views
Scan shallow water
I need to scan a shower tray with & without the water running to assess the puddling at the drain, then export a point cloud or surface. Sonar & Laser dont seem to be able to deliver, can ...
