Signal from beam side lobes

Side lobe interference is an hydroacoustic issue associated with acoustic bottom verification. A slope in the seabed can produce signals from the side lobes of the beam under certain conditions.

p88 side lobe interference

Figure 1: Excerpt from the report by Kloser and Ryan et al (2001) containing an example of identified side lobe interference (p 88).

See also

Examples of echogram interpretation
Acoustic beam deadzone