1 Subjects: “...proximity detection...”

2 Subjects: “...target detection...”

3 Subjects: “...privacy leakage detection...”

4 Subjects: “...fault detection...”

5 Subjects: “...intruder detection system...”

6 Subjects: “...fault detection...”

7 Subjects: “...chaos synchronization detection...”

8 Subjects: “...ringdown detection...”

9 Subjects: “...ringdown detection...”