1 Subjects: “...Schätzungsidescan sonar...”

2 Subjects: “...underwater sonar image...”

3 Subjects: “...Sonar...”

4 Subjects: “...sonar signal detection...”

5 Subjects: “...passive sonar...”

6 Subjects: “...synthetic aperture sonar...”

7 Subjects: “...multibeam sonar...”

8 Subjects: “...side-scan sonar...”

9 Subjects: “...continuous naval sonar...”

10 Subjects: “...sonar network...”