1 Subjects: “...unmanned surface vehicles...”

2 Subjects: “...mean sea surface height...”

3 Subjects: “...singular value decomposition...”

4 Subjects: “...low-noise surfaces...”

5 Subjects: “...singular value decomposition...”

6 Subjects: “...singular value truncation...”

7 Subjects: “...singularity analysis...”

8 Subjects: “...singularity analysis...”

9 Subjects: “...singularity analysis...”