Oculus M-Series Sonar
User Manual
21
3.7.
Range vs Frequency and Image Quality
As previously mentions, some Oculus sonars have two operating modes:
Low Frequency, which allows for long range operation with a wide viewing angle
–
this is useful for
searching and surveying tasks.
High Frequency, which produces greater details at shorter ranges and has a narrower viewing angle
–
this is useful for detailed investigation of close-up targets.
The figure below shows a comparison of the same test site in both operating modes:
